Weights

Trailer load, without brakes ** with brakes ** Acceleration from 0 to 62 mph at DIN curb weight plus 1 2 payload Kilometer from standing start (DIN curb weight plus 1 2 payload) Fuel consumption (average consumption on highways and country roads) Installation of extra equipment (air conditioner etc.) reduces payload.

Body Changes Effective With 1 9 7 4 Models

The following body changes were effective with the 1974 models. Body 1. New transverse lock panel in front with lid lock cover, as well as brackets for car jack and roof top. 2. Tank support modified for 80-liter tank (standard). 3. Battery support on left side for 66 or 88 Ah battery. 4. Front wheelhouse panels without battery compartments. Strong support plates for deformation tubes or hydraulic dampers along the front and rear wheelhouse panels. 5. New seat rails (with forward inclination)....

Checking Rear Axle Cross Tube

The rear axle tube for Types 911 and 911 Turbo can be inspected for deformation with a locally made tool and a torsion bar. Two pieces of round steel bar. 13 mm (1 2 in. ) dia. x 300 mm (12 in. ) long, are required for the locally made tool. Machine one end of each bar to a point of about 60 The rear axle cross tube can be inspected after removal of the engine and rear axle. 1. Insert both round bars through the trailing arm mounts. If both steel bar tips meet each other with the same distance...

Adjusting Gearshift Linkage

Turn shift rod for selector shaft to the right in neutral position (seen in direction of driving). 3. Lightly tighten the shift rod clamp. 4. Check if equally long travel is evident in gears 1 thru 4, and 5th and reverse gears can be easily engaged. Correct the adjustment if necessary. 5. Torque clamp nut to specification. 6. Shift into 5th gear. With the dust boot at the shift rod coupling pushed back, check selector shaft for rotational play. A definite amount of play...

Ignition Distributor For 27 Liter Engines

Type 911 (2.7 liter) and 9115 (2.7 liter) engines are equipped with the BOSCH or MARELLI distributors formerly used in the Type 911 T (2.4 liter) engines. Ignition timing spark advance characteristics, and test specifications applicable to the 2.4 liter engine are also continued. The cutoff speed in both engine types is 6500 - 200 ipm. The BOSCH or MARELLI distributors used in the 2.7 liter CARRERA engines differ from the above described distributors due to a...

Windshield Washer Pump

The windshield washer pump in 1974 model vehicles is located at the lock transverse panel near the battery. Both electrical wires and water hoses must be detached prior to removal of Hie pump. When connecting the wires, it is necessary to note the proper polarity, that is, the brown wire must be connected to the terminal marked (). The nipple marked D is connected to the hose leading to the spray nozzles through the T-joint. A hose leads from each Te connection B and a connection in the...

Replacing Zipper Slide

Remove Tenax base and self-tapping screw with cloth protection washer on the side, where the end hook is located (on rear end of front canvas cover) and open up sewn seam. 4. Remove key board. Slide zipper slide down and remove. 1. Press new zipper slide into real- zipper section. 3. Insert end hook and bend down claws from the 2. Insert zipper slide in front zipper section. 4. Mount pulling strap and snap head with eye on 5. If applicable, drill a hole in the front of the key board, where the...

Fuel Evaporative Control System

All vehicles are equipped with a sealed fuel tank venting system incorporating an activated charcoal filter. The closed system prevents fuel fumes from entering the atmosphere. The fumes are ducted into the activated charcoal filter with the aid of fresh air supplied by the engine cooling fan, and then to the engine air filter where they mix with the induction air and are burned with it. 4 Cooling fan upper shroud with hose connector 5 Hose from cooling fan to activated charcoal filter 6 Hose...

Adjusting Ring Gear And Pinion

Adjustment of the ring gear and pinion is important for quiet operation of the rear axle assembly. For this reason the pinion shaft and ring is already matched as a pair during production. They are checked on testing machines for correct contact pattern and low noise level in both directions of rotation. When the ring gear and pinion is tested it is set according to-the design dimension R. Dimension R is the distance from the face of the pinion to the ring gear center line. The pinion is then...

Removing And Installing Inertia Reel Safety Belt With Automatic Locking Retractor And Electric Warning Devise

Remove loop cover from B-pillar or roll bar. 3. Remove loop retaining bolt. Remove flanged washers, in Targa additionally lhe spaser loca ted under the perforated cover. 4. Remove cover from side section this requires' removal of sheetmetal screws from the rosette plate and rocker panel. In the Targa vehicle, remove covering strip from side cover as well as sheetmetal screws from the rosette plate in the side cover and take both parts off.

How To Repair Inertia Reel On 928 Porsche

Support other side of windshield frame to prevent damaging windshield when reshaping surface. d - Reglue leatherette covering and install new moulding strip. INERTIA REEL SAFETY BELT WITH AUTOMATIC LOCKING RETRACTOR (COUPE) INERTIA KEEL SAFETY BELT WITH AUTOMATIC LOCKING RETRACTOR (TARGA) Inertia reel belt with automatic retractor Check installation side. Belts are different for right and left side. Inertia reel belt with automatic retractor Check installation side. Belts are different for...

Porsche 911 Seat Belt Warning Light Connector Color Code Diagram

Rear window defogger element Gear lever contact SPM (optional) Connector SPM (double) Multi-connector (14 terminal) terminal) mhui Tinned or (4 terminal) Ground connection - bady Turn signal emergency flasher unit 49a Brake warning light switch ADDITIONAL WIRING DIAGRAM, SEAT BELT WARNING SYSTEM TYPE 911, 911S, MODEL 74 - USA

Adjusting Ring Gear Backlash

Install gear cluster with shims determined at 4. Block pinion shaft with holder P 259a Make sure pinion shaft flange nut is tightened to correct torque before making any adjustments. 5. Place washer from special tool P 357 onto the axle flange. Attach dial indicator with sensor P259b. Bolt dial indicator holder over the axle flange with the 10 x 110 mm bolt. The dial indicator should have a slight preload. 3. Install side cover with oil seal. Apply light coat of oil to seal. When tightening the...

Removing And Installing Pressure Relief Valve Of Cooling Coil Beginning With 1 9 7 4 Models

Remove retaining clamp from upper oil lines. DISASSEMBLING AND REASSEMBLING PRESSURE RELIEF VALVE Beginning with 1 9 7 4 Models Plug Gasket Spring Plunger Plug Gasket Spring REMOVING AND INSTALLING OIL COOLER COIL Beginning with 1 9 7 4 models Counterhold with a second open-end wrench. Catch spilling oil. Remove retaining bolt and take cooler coil out. 1. Apply counter force when connecting oil lines to prevent damage. 2. Coat oil hose connectors with MOLYKOTE-A during installation. 3. Mount...

Porsche Chain Guide Installation

General Information for Brakes with Brake Booster Stroke 20 12 mm Play at brake pedal with brakes bled and engine stopped 1 0 mm Brake pad area each front wheel Brake pad area each rear wheel Total pad area Brake disc thickness when new Front Rear Min. brake disc thickness after machining Front Rear Max. brake disc lateral runout when installed Max. peak-to-valley surface finish after machining Play at brake pedal with brakes bled and engine stopped Hydraulic dual circuit brake system, separate...

Installing Interior Rear View Mirror

Note Repair kit, Part No. 914 731 025 10, is required for the following operations, 1, Clean and degrease mirror base and windshield with acetone. 2. Cut strip of tape and paste on mirror base as illustrated. 3. Fill in open surface on mirror base with an adhesive to height of tape. 5. Position mirror and press firmly so that tape surface rests completely flat on winshield. 6. Remove excess adhesive with cloth soaked in ace ton 7. Adjust mirror carefully, because the adhesive requires 24 hours...

Apexi Afc Porsche 996

An additional support pin is provided in the center joint of the rear roof frame. The pin rests in rubber and provides additional rigidity for the roof. 4. Modified weatherstripping is used along the windshield frame and the front part of the roll bar to improve sealing and tightness of the roof. The new folding roof can be used only in vehicles which have the larger METALLASTIK sleeves in the roll bar.

Porsche 911 Acceleration Enrichment Control Unit

Fuel tank plug with CIS filter, cleaning Fuel tank (80 liter), removing and installing - 1974 model Fuel pump, removing and installing - 1976 model Layout drawing oT Check valves on fuel pumps Replacing check valve Oxygen sensor, removing and installing . Oxygen sensor control unit, removing and installing Frequency valve for oxygen sensor, checking Throttle valve switch, checking and adjusting Removing and installing microswitch for acceleration enrichment of Oxygen Sensor control (from 1981...

911sc Crankshaft Demensions

Valve springs, installed length Adjusting timing CYLINDERS AND PISTONS 6.1 Cylinders and pistons Piston changes - 1972 model Piston and cylinder dimensions - 1972 model Piston and cylinder dimensions - 1973 model Piston and cylinder dimensions - 1974 model LS cylinders and pistons, installation instructions Pistons and cylinders, measuring Piston and cylinder sizes, 911 SC - 1978 model Piston weight classes - 911 SC from 1981 models CRANKCASE AND CRANKSHAFT Crankcase, measuring and...

Preparing Body For Use Of Attachment Set Ens 77360

Front axle and steering gear assembly Fuel tank Damaged body parts and equipment, as necessary for straightening. Preparing Celette straightening bench Bolting all attachments of set, except for spring strut dome. Setting scale on auxiliary carrier take-up to 0. Horizontal position of a movable Celette straightening bench must be checked with a bubble level. From 1977 models on (adjustable spring strut setting) the shoulder bolts of side member rear axle cross tube are 4 mm longer on both...

Body Repairs

SO. 2 Extra attachment for economical repair of front end damage Universal anchor ENS 937.900 Cabra 3 straightener with accessories BODY CHANGES - FROM 1 97 2 MODEL Beginning with 1972 models. the following body and trim changes were made. 1. The shape of the rear seat sheetmetal and upper rear wall has been changed. They are the same shape for both Coupe and Targa models. 2. Rear crossmember moved forward has modified shockabsorber cavities. 3. The rear seats were reshaped. The seat backs are...

Color Selection From 1912 Model

Beginning with 1912 models, a new numbering code is used in identifying paints on the paint nomenclature plate. The change was necessary to ensure right shipment of paint when ordered for given vehicle. The new color code on the vehicle paint data plate is identical with the order numbers in the color catalogue. Idenlificaiion of the new 5-digit code numbers on the paint nomenclature plate. Example. 131 9 2

General Assembly Information On Tires And Tubes

Porsche 964 Oil Leaks

Always also use new tubes or rubber valve stems each time tiresj are replaced Tubes should only be used in tubeless tires in an emergency situation. It cannot be recommended to combine tires and tubes of different make. Tubes are not available for series 50 and 55 tires When mounting tubes with steel valve stems remember that valve core is screwed in only after inflation of the tire. Eh careful not to turn the tire valve when tightening the nut. 1 Tubeless tires may only be mounted without...

Porsche Workshop Manual 9 11 From Model 1 97 2 On

This publication contains the essential removal, installation and adjustment procedures for the Porsche 911 vehicles sold in the USA and Canada. Components and procedures described in this manual are identical for all types unless differences are pointed out in the text. It is assumed that the reader is familiar with basic automotive repair procedures. Special tools required in performing certain service operations are identified in the manual and recommended for use. Use of tools or procedures...

Transmission b I VI

TYPE 92 5 SPORTOMATIC TRANSMISSION (1 974 MODEL) Beginning with 1974 mod.els, Type 911 and 911 S vehicles can optionally be equipped with the Type 925 02 transmission. This transmission version differs from that used in 1973 models only in the aspect of changed torque converter ratio (see Technical Data, page 0.2 - 2 6). All 1975 models are available with a 3-speed sportomatic transmission (type 925 10) as optional extra equipment. I - Speedometer drive gear E - Front transmission cover Flanged...

Porsche 930 Showing Spot Welds Under Paint

Includes Wheelhousing inner and outer rear cross members, left or right engine brackets end plate and rear fender. . Welding Spot weld Butt weld Weld Weld Clean and grind down mating surfaces Area 3, top of lid and wheel, housing joint welded flush Welding torch, hand grinder and oliers Cutting disc, metal cutters and hand grinder Spot welder Spot welder MIG welder Gas welder Cutting disc, metal cutters and hand grinder

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INSTALLATION NOTES FOR SHOCK ABS ORB ER SPRING STRUTS With the 1975 Models a different height adjustment was introduced. When installing the shock struts, make sure that spacer, Part No. 911.341.615.00, is installed between the guard tube and support bracket. STEERING COLUMN ARRANGEMENT BEGINNING WITH 1 9 74 MODELS General Beginning with 1974 models, the steering column attachment to the instrument panel has been changed. A safety steering wheel has been introduced at the same time. This...

Instructions For Installation Of Chain Tensioner

To prevent- damage on the chain tensioner housing, it is not permitted. to pre-load the timing chain with a screwdriver. Force from the screwdriver could deform the chain tensioner housing, which in turn would cause the the aluminum piston 7 to seize. Only use Special Tool 9182 for pre-loading. SEALING CYLINDER HEAD CAMSHAFT HOUSING MATING SURFACES Only Loctite No. 573 green color should be used as a sealing compound. Loctite No. 573 hardens only in conjunction with metal and exclusion of air....

Checking Auxiliary Air Regulator

Check power supply of auxiliary air regulator. a Pull off standard relay in luggage compart -ment rear relay as seen in driving direction . b Bridge terminals 30 and 87a, turn on ignition. c Connect test lamp to both auxiliary air regulator terminals from which the plugs have been pulled off. 4. Refer to Troubleshooting Automatic Choke for other checks. CHECKING AUXILIARY AIR VALVE Refer to 'Troubleshooting Automatic Choke.

Alarm System

The alarm system is switched on and off with a separate key. The alarm switch is located on the face of an opened driver's door. The alarm will be set off by opening the driver's and or passenger's door, the engine hood and when turning on the ignition. After setting off the alarm system a separate alarm horn will sound off intermittently for about 30 seconds or constant tone for Swiss version cars and could be set off again by the measures described above. At the same time the engine cannot be...

Removing And Installing Front Lid Lock

Loosen screw in clamp piece, pull control wire out. 3. Remove lock attaching bolts and take lower part of lock off. 1. Lightly tighten upper part of lock to lid. 2. Lightly tighten lower part of lock. Insert control wire. 3. Adjust both lock parts to center position cross-and lengthwise, then tighten bolts. Tighten clamp piece securing screw and bend wire all the way back. 4. Close lid. Adjust height of lower part of lock. Adjust side stopper screws accordingly. Opening Lid Lock when Control...

Troubleshooting Automatic Choke 1 9 7 6 Model

Speed remains too high at high engine temperatures or no speed increase on cold engine. Auxiliary air regulator or auxiliary air valve defective. 1. Disconnect top control line at auxiliary air valve and plug. Problem corrected Replace auxiliary air valve. Problem unchanged Auxiliary air valve good. 2. Cold engine If there is no increase in speed, auxiliary air regulator is defective. Warm engine Disconnect one hose at auxiliary air regulator and plug both openings. S p eed too high auxiliary...

Adjusting Heater Controls

1-, Move both heater control levers to front stop, slide to off position and tighten left and right heater cables to rotary valves underneath vehicle. 2, Heater flap valves must be fully open. 3, Check function of heater flaps. Heater flaps and rotary valves must open and close completely when operated. 4. Tighten self-locking nut of heater controls so that lever does not return on its own when heater is on. On the other hand, the levers should not be too hard to move.

Heating Controls

Checking Heat Sensor in Heater Flap Housing 2. Connect ohmmeter to 2-pole plug of 135 ohm with warm engine at 100 C o 212 F. Replace heat sensor if resistance is way off see 'Checking Interior Sensor . An open circuit in one of the sensors or in the wires to the control unit will show a too low inside temperature or, a short circuit, a too high inside temperature. This will result in an improper movement of the heater lever up or down. Checking Power Supply to Control Unit 1. Remove right side...

Seat Belt Interlock System 1 9 7 6 Model

Porsche 911 Fasten Seat Belt Light

The time relay, installed since February 1975 is just as accessible as the logic relay after removal of the small combination instrument. Removing and Installing Seat Belt Brake Warning System Indicator Housing A housing containing the indicator lights for both warning systems seat belts and brakes including parking brakes is installed in the 1976 model. It replaces the previous FASTEN SEAT BELT indicator light. Consequently, the brake warning in the combination instrument is no longer...

Sealed Beam Headlights

Porsche 911 Sealed Beam

Unscrew retaining screw and remove lamp rim. 2, Remove only the 3 screws arrows which secure the lamp unit retaining ring. remove retaining ring and withdraw sealed beam unit 3. Disconnent plug from rear of unit 5. Insert sealed beam unit and leatining ring tighten hold-down-screws. 6, Install lamp rim and tighten retaining screw. It is best to first screw the Philips-headscrew in by a few turns and then to seat the lamp unit in its upper retainer. Afterwards tighten the Philips-headscrew....

Piston Changes Beginning With 1 9 7 2 Models

New pistons with flatter piston tops to reduce compression ratio 911 S 8.5 1 Required fuel octane rating 91 3. New table of dimensions for pistons and cylinders beginning with 1972 models. PISTON AND CYLINDER DIMENSIONS Beginning with 1 9 7 2 models markings bore dia. diameter D 1

S

Transaxle Weight 4-speed transmission 5 -speed transmission 54 kg 119 lb , ready with oil and starter 55 kg 121 lb , ready with oil and starter Filling Capacities Transmission and differential approx. 3 ltr. 3.17 US gts. SAE 90 transmission oil, MIL-L 2105 or MIL-L 2105 B specification Transmission and differential, limited slip approx. 3 Itr. 3.17 US gts. SAE 90 transmission oil, M2 C 119 A

Info

Install gear shift lever, with forks and pin in place, into the shift lever housing. 2. Insert spacers. Select the spacers to achieve a clearance of 0 to 0.1 mm between the forks and housing. 5. Place gear shift knob onto the shift lever and drive it into place with special tool P 299. 6. Install gear shift lever assembly in vehicle and adjust see 1.1 -2 1 . 3. When installing the lock pawl carrier plate, place the lower part of the shift lever in the vise. 4. Firmly press the lock pawl...

Adjusting Selector Forks

Tighten input shaft flange nut to correct torque before adjusting selector forks. 1. Install mounting plate P 260a. Install 5th speed synchro hub and 5th and reverse speed sliding gear. 2. Block input shaft with P 37a and engage 5th speed. Tighten input shaft flange nut to correct torque. 3. Turn selector fork rod of 1st and 2nd speed left in driving direction to stop, then turn slightly back until the unmachined flat inner surface is almost vertical. 4. position the 1st and 2nd speed selector...

Removing And Installing Thermovalve

Remove formed hose, left heater hose and right heater hose. Disconnect electric wires, loosen clamp and remove heater blower. 2. Disconnect electric plug at thermovalve. Detach hoses, unscrew bolt and remove thermovalve. Connect vacuum hoses properly. Outer connection on thermovalve 1 to control pressure regulator connection 1 , see photos below.

Seat Belt Warning System 1 9 74 Models

The seat belt warning system has been changed effective with the 1974 models. The new system consists of 2 three-point seat belt assemblies with automatic locking retractors, a control lamp with the inscription FASTEN SEAT BELTS, a seat contact in each seat, and the so-called logic relay switch with an integrated buzzer. The formerly used separate buzzer is discontinued. Also, the control lamp circuit has been changed so that it cannot be used in cars of pre-1974 vintage. The following steps...

Safety Belt Warning System 1 9 74 Models

Removing and Installing Logic Relay Switch The logic relay switch rests in a socket which is attached to the luggage compartment floor and is accessible upon removal of the small combina-lion instrument. The asymmetrically arranged contact prongs ensure proper installation of the relay, which is with the inscription facing rearward in relation to the direction of travel. 133 919 L31 Logik-Relais 12 V BOSCH GERMANY B 335 600 002 0 335 12 002

Lettering For Carrera Vehicles

The following points must be observed to ensure that the lettering adheres firmly to the paint 1. Wash paint surface, removing wax, etc, with clean cleaning solvent. Dry the paint surface. 2. Do not affix the lettering in cold or damp weather. The temperature of the vehicle and surrounding air should be about 20 C, 3. Side lettering should be attached by two persons. Affixing Canera Side Lettering Mark front and rear location of lettering above door lower edge. 2. Peel off backing foil from the...

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Porsche 930 Vacuum Line 1977

At specified engine speed the 5 mark on pulley must be opposite notch on blower housing. Adjust idle speed after connecting the vacuum hoses. Pull off vacuum hos Adjust speed to i 50 - 50 rpm Checking Ignition Retard Advance - 1 9 8 0 Models Ignition timing adjusted to specifications. 1. Centrifugal Advance vacuum hoses detached Ignition timing must be between 1 5 and 20 before TDC at 3000 rpm or 19 and 25 before TDC at 6000 rpm. Connect blue hose on connection 2. Adjust speed to 950 - 50 rpm....

Safety Belt Warning System 1 9 7 4 Models

Troubleshooting Safety Belt Warning System If the starter does not work despite properly attached safety belts. proceed as follows to eliminate the problem If this does not correct the problem the malfunction may be in the following component areas a - in the starter itself b - in the ignition starter switch c - in the connecting wire between the two d - in the wires between belt and seat contacts, and logic relay switch. Other possible malfunction areas are a - Malfunction in the optical and...

Removing And Installing Speedometer Cable

The blower housing of California equipped cars has to be removed to be able to detach the speedometer cable at the EGR elapsed mileage odometer switch. Pull the speedometer out of the dashboard of all other models to detach the speedometer cable. 1. Remove blower housing. Do not lock operating cables. 2. Detach speedometer cable atEGR elapsed mileage odometer switch. Tie a string to end of cable. 3. Remove tunnel cover in car. Remove gearshift lever housing. Take off plastic strap.

B3 Ob3b 7931031

Seal Oil Pulling

Remove transaxle and detach transmission from engine. 2. Screw puller P 386 firmly into the oil seal. 2. Screw puller P 386 firmly into the oil seal. 3. Pull oil seal out by turning the hex. bolt in the puller. If the garter spring should slide off during removal of the seal, pull it off the input shaft with the aid of a wire hook. 1. Push installation sleeve P 382 onto the input shaft splines. 3. Drive oil seal into its seat with the aid of driver P 381. 2. Lightly oil the sealing lip of...

Dismantling And Assembling Instructions

Clamp holder P 376 in a vise, install shaft and unlock nut. 2. Loosen nut with special tool P 252. 3. Remove roller bearing from shaft with special tools VW 401 and VW 412. Before assembling, clean all shaft parts and dry. 1. Install roller bearing with special tools VW 412. VW 416 b and VW 401,,

Alternator 1975 Models

An 840 W alternator same size as the 770 W alternator used previously is installed as of the 1975 model year. The 840 W allernator will be replaced by one of 980 W later in the 1975 mode year. This alternator will be 9.3 mm longer. The blower housing, already designed for this size, has a ring installed with the 840 3 alternator to compensate lor the 9.3 nim deeper hole in the blower housing. This ring is to be omitted when a 980 S alternator is service installed in such a vehicle. A new...

Intermittent Windshield Wiper Switch

Removing and Installing Potentiometer Removing and Installing Intermittent 1. Disconnect battery ground strap. 3. Pull off potentiometer knob, unscrew nut and take out potentiometer to front. 2. Pull plug off of intermittent relay and unscrew mounting screws. 3. Pull off potentiometer knob, unscrew nut and take out potentiometer to front. The potentiometer on cars prior to 1976 model is located next to steering column on right side. All 1975 models with California equipment have exhaust gas...

Installing Door Window Lift Channel

Place door window on soft material and remove grease from lower edge. 2. Use new rubber insert. Part No. 901 542 491 21. and fit it on window glass to match lift channel. Clean rubber insert with acetone before installing. If wax coating is not cleaned off, window glass could disengage from lift channel. The window lift channel of a coupe must be installed so that the channel begins 88 mm be -hind edge of glass. The window lift channel of a Targa must be installed so that the glass fits...

Resistance Welding

Several points must be observed when employing resistance welding spot welding . Due to the improved electrical conductivity of galvanized sheet in comparison to blank steel sheet, the current intensity will have to be increased to attain the required welding temperature of 1300 q 2372 F. The welding time should be as brief as possible to keep the melting zone around the welding spot small. This will also mean that less zinc will stick to the electrodes and thus longer operating times are...

Checking Fuel Injectors

Instructions for checking the injectors apply to vehicles equipped with either the mechanical or CIS fuel injection. The injector tester is used for checking opening pressure, spray pattern, and leakage of injectors. Fill container of the tester with testing oil and bleed tester prior to testing the injectors. Use only testing oil 01 61 v 11. Under no circumstances should gasoline be used. When testing injectors for the mechanical injection system, use pressure gauge EF 1687 231 000 0-25 bar....

Electric wiring diagram Part I Type 911 T 911 E 911 S Model

18 Turn signal, parking and side marker iights 19 Tail, stop, turn, back-up and side marker lights 30 Flasher, dimmer, wiper washer switch with horn ring on steering column 31 Ignition starter switch and steering lock not applicable in Italy and France 37 Switch for luggage compartment light Stop light switch 42 Switch for glove compartment light 48 Turn signal emergency flasher unit 50 Headlight relay 84 Multi-connector 14 terminal 85 Multi-connector 6 terminal 87 Connector single contact 89...

Adjusting And Checking Distributor

Remove distributor cap, rotor, and dust cover BOSCH only . In MARELLI distributors, loosen retaining screw in rotor. 2. Turn crankshaft pulley until a distributor cam lifts the breaker arm to its highest point. 3. Adjust gap with feeler gauge basic setting 4. Check dwell angle with an appropriate tester and adjust, if necessary, by changing breaker point gap Large breaker point gap small dwell Small breaker point gap large dwell 5. Tighten breaker point plate retaining screw. Beginning with...

Seats

Beginning with 1973 models, all standard and sport type seats have new longitudinal seat adjuster lacks on both sides of the seat. The upholstery materials were also changed. The seat adjuster controls remain unchanged. In the new standard seats, the seat pan has a control cable interconnecting lock pawls on both sides of the seal so that movement of the lock pawl on the center tunnel side of the seat is simultaneously transmitted to the lock pawl on the outer side of the seat. This...

Dimensions

Track, front wheel center 108 mm above torsion bar center Track, rear wheel center 12 mm below transverse tube center approx. 3.0 ltr 3 US qts SAE 30 transmission oil, specification MIL-L 2105 or MIL-L 2105 B approx. 62 ltrs 16.4 US gals including 2271 mm 89.4 in. 1360 mm 53.54 in. 1342 mm 52.82 in. flap-controlled fresh air chamber, 3-speed fan, air distributor system, centralized control unit approx. 8 ltr 8.5 US qts premium quality HD oil according to API classification SD or SE summer SAE...

Removing And Installing Drive Shaft Seal 1 976 Model

The drive shaft seal of 1976 model manual transmission 915 canbe replaced without having to disassemble the transmission. 1. Remove engine transmission assembly and separate transmission from engine. 1. Drive new seal in guide tube with special tool P 381. 2. Remove both Phillips countersunk bolts on guide tube. Pull out guide tube for drive shaft seal with a locally manufactured hock. 2. Place new rubber O-ring on neck of guide tube. Slide special tool P 382 over splines of drive shaft. Slide...

Collapsible Spare Tire

1979 Porsche 924 Spare Tire

A spare wheel with a collapsible tire is used in cars with a 85 liter fuel tank to save space, From 1974 models on a 80 liter steel tank and a collapsible tire wheel are standard in ail models. Rim size 5 1 2 J X 14, tire size 7.35 185 - 14 SST or from 1973 models on. Rim size 5 1 2 J X 15, tire size 165 - 15 4, 75 10. 00 - 15 SST When required the tubeless tire may be inflated to only 2.2 bar 32 psi. The tire will return to its original shape when discharging the air from the collapsible tire....

Adjusting Microswitch

Disconnect electrical connections from micro switch. 2. Connect a standard buzzer to 'both contacts of the microswitch. 3. Prop up throttle. Place a 2 mm feeler gauge between idle stop screw and throttle valve lever. This distance must be measured exactly, sliding 4. Turn adjusting screw at the throttle valve lever to a point beyond the switch-off position of the microswitch buzzer is off . 5. Turn adjusting screw back to the switch-on position buzzer is on . 6. Close throttle valve and...

Measuring And Reconditioning Crankcase

The main bearing bores must be measured whenever the crankcase is disassembled for repair. These instructions apply as well to all pre-1972 model engines. 1. Attach crankcase half to bench mount and assemble'both halves without the intermediate shaft. Lightly tighten all crankcase studs and two M8 retaining nuts at Bearing 1. Align both crankcase halves with the aid of a plastic mallet. The joint in Bearing 8 must not be offset in relation to each half. 3, Using the inside micrometer,...

Painting Targa Roll Bar Cover

The Targa roll bar cover rustproof steel has a coat of flat black polyurethane textured paint. In addition to metal parts, polyurethane paint can be used on parts made of fiber glass Targa removable roof and rigid expanded polyurethane. Polyurethane paint is extremely scratch and wear resistant, color fast and can be air dried.

System Checkout

1.1 Continuous injection system CIS General checkout procedure Visual inspection Initial checks Pressure tests Leakage checks Injection valve, checking Auxiliary air device, checking CIS testing and adjustment specifications 1974 75 models CIS testing and adjusting specifications - 1976 77 models CIS testing and adjusting specifications - 1978 79 models CIS testing and adjusting specifications - 1980 model Testing and adjusting values - 911 SC 1981 models with Oxygen Sensor Control Control...

Safety Belt Warning System

Porsche 911 Safety Belt Warning System

Removing and Installing Seat Also see Group 81 A two-pole connector is located under the seat. In the driver's seat the connector wire leads into the seat interior and is connected directly to the safety belt buckle. In the passenger's seat an additional seat contact is wired inbetween. Prior to seat removal, the wire must be disconnected at the connector and also detached from its retainer on seat underside. The wire must be reconnected upon installation of the seat the polarity makes no...

Checking Pistons And Cylinders

D1 Measuring point for wear and ovality 30 mm below top edge of cylinder The cylinder is worn if this measurement is 0.08 mm more than the new size specifications. Ovality is checked by measuring in directions a and b. The difference between a and b may not be more than 0.04 mm. D2 Measuring point for piston ring end gap clearance Rings slid in to height of cylinder base gasket. D Measuring point for wear At height of lower edge of piston pin bore. Replace pistons and cylinders if clearance...

Basic Adjustment Of Mixture Control Screw After Replacement Of Operating Lever

This test requires that the sensor plate be positioned correctly rest position . Never apply downward pressure to adjusting wrench during adjustments, since this could change the injection timing. 6. Run engine to o 3eratin temperature oil temperature 80 to 90 C and adjust idle speed and CO level to their final specified values. 2. Bleed fuel lines. Disconnect injectors and hold in a container. Move sensor plate by hand many times . 3. Use adjusting wrench P 377 to initially turn the mixture...

Removing And Installing Usa Type Bumpers

Porsche 930 Bumper Mounts

Beginning with the 1973 models, all vehicles exported to the USA are equipped with bumpers with rubber bumper horns in front and rear, and reinforced bumper brackets. The bumper horns deform under heavy impact. Additional rubber supports are mounted on the rear bumper horn brackets to further support the bumper center section and upper part of bumper horns against the rear transverse member. 1. Detach bumper from fender sides detach electrical wires if additional lamps are installed. 2. Detach...

Adjusting Door Window Targa

Panel Door Porsche 964

The methods of adjustment have been improved since introduction of electric cross-arm window regulators from 1980 models on. The Targa window regulators now have two adjustable stop brackets for height control. The adjusting screw has been omitted. Before beginning with adjustments the door gap to the rear fender and installed position of the Targa top must be checked. Adjusting procedures require that the hinge strip, door pocket with cover, grab handle, door inside trim panel and plastic...

Adjusting Ignition Timing

Adjust to 0 - 2 Z 1 mark at an oil tempera ture of 80 C 176 F and idle speed of900 to 1000 rpm. Adjust to 1 5 - 2 ATDC at an oil temperature of 80 C. I'Tg F and idle speed of S5TJ to 1050 rpm. The plug between the vacuum hose and vacuum advance unit must he installed and may not he removed, not even while adjusting. No plug is installed between the vacuum hose and vacuum advance unit. The vacuum hose must remain connected for adjustments. VACUUM ADVANCE CURVE TYPE 911 S FROM MODEL 77 AT1JC...

Water Reservoir Ft7tc Windshield Washer System

The left front wheel must be removed when removing the water reservoir. The bumper does not have to be removed. The reservoir is attached to the vehicle by means of a strap which is bolted to the headlamp compartment. The reservoir can be taken out rearward after the attachments are unfastened, the filler hose detached, and the threaded cap removed.

997 Carrera Fog Light Fuse

Porsche 997 Wiring Diagram

18 Turn signal, parking and side marker 19 Tail, stop, turn, back-up and side marker lights 26 Illumination far heating lever USA only 30 Flasher, dimmer, wiper washer switch with horn ring on steering column 31 Ignition starter swtch and steering lock not applicable in Italy and France 37 Switch for luggage compartment light Stop light switch 42 Switch for glove compartment light 48 Turn signal emergency flasher unit 50 Headlight relay 78 Fuse box I 10 terminal 78 Fuse box II 8 termnal 84...

Checking Selfleveling Hydropneumatic Suspension Struts

Porsche 911 Hydro Pneumatic Repair

Special Tools P 301b Measuring Mandrel 1. Load the front axle with a ballast of 100 kp 220 lbs in such way that both wheels are evenly weighted distribute the load evenly in the luggage compartment . 2. The best way to test the pumping action is by driving the car. Drive the car into level surface and push plug gauges special tool P 301b , from within the compartment of the reinforcing support member, to the stop in left and right transverse support arm grease the mandrels slightly to provide...

Removing And Installing Door Panel Effective With 1974 Models

Beginning with 1974 models, the doors have new type of door panel. door storage compartment, hand grip. and inside door release. 1. Remove sheetmetal screws from below the storage compartment, both end flanks, and in front lbelow the cover. Remove the storage compartment. 2. Remove door ledge cover unscrew door lock button and sheetmetal screws at both ends . 3. Detach rear of storage compartment cover and remove. 4. Detach connecting rod at the handle, unscrew fasteners from handgrip top and...

Pistons For K Jetronic Engines

Pistons for K Jetronic-equipped engines of Type 911 91 and 911 96 have a turbulence whirl cavity in the piston top. This provision ensures a particularly thorough blending of the fuel air mixture. The piston must always be installed so that the flat spot in the piston top faces upward towards the intake valve . ASSEMBLY INSTRUCTIONS FOR PISTONS ON 911 SC 1981 Models

Special Tools Sportomatic

Assembly plate Mandrel Pilot mandrel P Thrust piece Centering mandrel Installer Assembly sleeve Puller and installer Input shaft lock Guide sleeve Thrust piece Thrust piece Installer Mandrel Bushing Gauge block Holder P 357 Dial gauge holder, spacer, feeler tip w o clamping adapter Press plate Press plate Thrust piece Thrust sleeve VW 405 V-block

Location Of Relays And Fuses In The Vehicle Effective With 1 9 7 4 Models

Warm Regulator Porsche 911 Relay

Beginning with 1974 models, the fuse box is located on the left side panel of the luggage compartment near the brake fluid reservoir. The plastic cover can be removed from the fuse box by lightly pressing its top downward. The fuse box contains 18 fuses and, depending on options. 1 to 3 standard relays. Mounting space for 4 additional relays has been provided for possible expansion of the electrical system. A fuse listing is contained in the wiring diagrams. The fuses are identified in the...

Adjusting Pinion Shaft

By adding the design dimension R and the deviation r you get the adjusting dimension E. Dimension E is the distance from the ring gear center line to the face of the pinion at which the ring and pinion set has been found to operate best. Tighten flange nut on input shaft to correct torque before making any measurements. Install plate P260a. Assemble 5th speed gears with synchro hub and shifting sleeve. Engage 5th gear. Block input shaft with holder P 37a and torque flange nut to specification....

Installing

Use the cable clamp inside door behind the top hinge to hold the harness away from the teeth of the window regulator. 4. Wrap foam tape around socket plug and insert it through oval opening in mirror housing so that the mirror movement is not restricted. Note Check operation before attaching mirror because the clips and terminals on the mirror glass are easily damaged. 2. Tighten the clamping jaw with the Allen head screw until the mirror base is held tight. 5. Install operating switch on...

Instructions For Disassembly And Reassembly

Grease both spring attachment studs in the pedal and pedal support with M0S2 multipurpose grease. 2. Attach spring to pedal support with the aid of 2. Unhook the clutch pedal supplemental spring the installer see sketch for local manufacture from pedal support with the aid of a screw- of tool . driver while depressing the clutch pedal. Steel pipe , 15 mm dia., wall thickness 2 mm

Extra Attachment For Economical Repair Of Front End Damage

Porsche 911 1975 Steering Assembly

With this set of straightening bench attachments it is not necessary to remove the engine, transmission and rear running gear parts. Its application requires that the rear end of the body is not damaged. Front axle with steering gear Fuel tank Bearing torsion bar covers Damaged body parts and equipment for required for straightening Preparation of Celette straightening bench Bolt attachments for front control arms and auxiliary carrier. Install and bolt cross member with control pins.

Electronic Speedometer

Checking Electronic Speedometer Sensor Remove tunnel cover in front of emergency seats. Disconnect the flat male plugs at the connector in the tunnel and connect a test buzzer to the wires leading back. Lift car at rear axle and turn right rear wheel by hand. Lock left rear wheel. The buzzer must sound off 8 times for each two revolutions of the wheel. If not, replace the sensor. The left rear wheel need not be locked, if a car is equipped with a limited slip differential. In this case the...

Removing And Installing Sensor Plate

Clamp mixture control unit vertically in vise with plastic guards on jaws. Clamp mixture control unit at bend in narrow section of operating lever. 3. Loosen sensor plate mounting screw and remove sensor plate. 1. Clamp mixture control unH horizontally. Coat sensor plate mounting screw with Loc-tite or Omnifit. Place new or old sensor plate in center of operating lever and slightly tighten screw by hand. 2. Measure gap between sensor plate and air venturi. A visible gap of about 0.10 mm...

Checking Air Injection System

Clean air filter of secondary air pump with compressed air. Replace if severely clogged. 2. Check air pump belt tension max. deflection 10-15 mm . 3. Loosen and disconnect air injection hose at air pump. Insert plug in hose. 4. Connect CO tester according to manufacturer's instructions. The CO should be checked immediately after a test drive as long as the engine is still at operating temperature. 5. Adjust CO to 1.5 - 2.0 fy at idle speed of 900 1 50 rpm. 6. Reconnect air injection hose to...

Sealing Crankcase Mating Surfaces

Only use Loctite No. 573 green color as a sealing compound. Loctite No. 573 hardens only in conjunction with metal and exclusion of air. Never wait longer than about 1 0 minutes between applying coat of sealing compound and assembling parts, since the sealing compound applied directly on the metal would begin to harden. During repairs the old compound need not be removed. It is only necessary to remove grease from the surface and to apply a coat of new sealing compound after the grease removing...

Removing And Installing Door Stop

Beginning with 1974 models, all Type 911 vehicles are equipped with a modified door stop. The door stop link is attached to the door hinge post with a rollpin. The new door stops can be installed in all vehicles, from 1970 niodel on, which have the hinge post attachment as shown in the illustration. 1. Detach window ledge rail, door pocket, door inner panel, and sealing foil as far as necessary. 2. Drive rollpin out with P 290 and P 290a. 3. Unscrew door stop from door frame and take out. 1....

BOSCH No 0408 l26 019 Porsche No 911 110 254

TECHNICAL DATA, TYPE 911T - USA CONTINUOUS INJECTION SYSTEM Internal designation 911 91 with manual transmission with Sportomatic Horsepower rating DIN in HP or IW crankshaft rpm Torque DIN in kpm or Nm crankshaft rpm Specific power output DIN in HP liter or KW liter Nominal fuel consumption DIN in ltr 100 km Cam height and base circle radius, intake Cam height and base circle radius, exhaust Intake valve lift at TDC overlap, with 1 mm valve clearance Valve timing with 1 mm valve clearance, in...

Replacing And Adjusting Fan Drive Belt

911 Belt Deflection

Effective with the 1980 models all 911 SC engines have the larger fan from the 911 Turbo, New belt size 9.5 x 710 mm. Only the approved belt from Goodyear, Part No. 999.192.176. 50, may be used for these engines. When installing the new belt for the first time, it must be much tighter Elian was formerly the Adjusting instructions for engine prior to 1980 models with small fan Check tightness by applying thumb pressure at point midway between both pulleys. Deflection approx. 10 to 15 mm. Tighten...

Removing And Installing Heater And Hand Throttle Controls

Porsche 911 Handbrake Throttle Lever

Disconnect heater cables at rotary valves of heater body underneath vehicle . 2. Remove tunnel cover and parking brake boot. 3. Remove parking brake base screws. 4. Remove hand throttle lever self-locking nut. Remove friction disc and discs. Disconnect hand throttle lever. 5. Lift parking brake base to unlock and pull out cable pin. 6. Disconnect wire connector at operating segment of parking brake indicator lamp. Remove parking brake base with heater cables. If the parking brake base cannot...

Adjustment Instructions

3.1 Adjustment instructions for fuel injection system Fuel injection pump, adjusting with emission tester Idle, adjusting i, CIS adjustment instructions Idle, adjusting Full power position of throttle, adjusting Microswitch, adjusting Control pressure regulator throttle valve position , checking and adjusting Adjusting idle 911 SC - from 1981 models

Adjusting Hand Throttle Control

Remove tunnel cover and parking brake base cuff. 2. With a warm engine approx. 80 C and the hand throttle control lever pulled out completely, the engine speed must be between 3500 and 3800 rpm. 3. The hand throttle control adjustment can be corrected on the accelerator linkage nipple in the vehicle's tunnel.

Cis Problems And Remedies

A properly working ignition system and good mechanical condition of the engine are prerequisites for a successful CIS problem diagnosis. Engine does not start or is difficult to start when cold Engine does not start or is difficult to start when warm Engine misses when car is driven

Adjusting Clutch On Models With Auxiliary Clutch Spring

Because of the auxiliary clutch spring the clutch play cannot be measured exactly at the clutch pedal. This is why the clutch play of models with a auxiliary clutch spring is checked at the transmission adjusting lever. 1. Detach clutch cable or loosen completely at holder. 2. Adjust clutch play to 1.2 mm with a feeier gauge and lock adjusting screw. 1. Check whether clutch cable is tight. 2. If cable has sufficient tightness, check clutch play with a feeler gauge and, if applicable, adjust it...

Disassembling And Assembling Chain Tensioner

Clamp chain tensioner in a vise and remove upper circlip. 2. Remove spring retainer and spring. 3. Remove bleed screw and sealing ring. 4. Pull out aluminum piston carefully with a suitable tool. 1. Clean parts thoroughly, check for wear and replace if necessary. Inspect piston spring for wear and deformation bent , replacing if necessary. Push chain tensioner piston with mounted aluminum piston, without O-rings, into chain tensioner housing. Both pistons must move easily. It is especially...

Removing And Installing Throwout Bearing

Remove with snap ring Check for proper pliers while pushing seating. Should not be washed only wiped with dry rag. Grease guide tube contacting surface with multipurpose grease with M0S2 additive. Check for wear and replace if necessary. Remove with snap ring Check for proper pliers while pushing seating.

Disassembling And Assembling Shift Lever Assembly

Clamp the shift lever into a vice equipped with soft jaws. Drive off shift knob using the self-made tool. See illustrations. 1 4 inch flat stock, all edges rounded off. 2. Pull retaining ring out of shift knob with a 1. Push lower spring seat on the shift lever hook. compression spring until the spring is seated. 3. Remove shift boot. Pry plastic ball socket off 2. Coat the lower part of the shift lever well shift lever with a screwdriver. with Molykote or similar lubricant. Insert 4. Clamp...

Disassembling And Assembling Manual Transmission

Assembling Manual

Remove guide fork cover with gasket. 1. Block input shaft with special tool P 37a, engage 5th gear. 2. Remove castellated nut from input shaft, and flange nut from pinion shaft. 5. Remove nuts from gear housing. Pull housing and selector fork rod 5th and reverse speed , and selector fork rod with selector shaft off the studs tap lightly with a plastic mallet, if necessary . Selector fork rod for 5th and reverse speed must be in neutral. Otherwise the gear housing will bind against the rod...

Removing And Installing Vacuum Controlled Warmup Regulator

Disconnect warm intake air connection. 3. Release fuel system pressure by loosening the warm-up regulator pressure line connection at the mixture control unit. Wrap a rag around this connection when loosening to catch escaping fuel. Retighten lines afterwards. 5. Remove left and right heater hoses, loosen clamp at heater blower and swing heater blower upward. 6. Loosen and remove clamp holding hoses and lines 1 , vacuum hose clamp 2 , plug connector 3 , fuel return line 4 and fuel feed line...

Checking And Adjusting Throttle Valve Switch

Mount dial scale from Special Tool P 228 b on throttle valve shaft. 3. Set pointer from Special Tool P 228 b to 4. Connect standard buzzer or continuity tester to terminals 18 and 2 idle contact of throttle valve switch. 5. Operate throttle valve. Switching point should be between 2 and 3 . Adjust if necessary. 6. Check full throttle contact. Connect tester on terminals 18 and 3 of throttle valve switch. The contact must be made between 30 and 35 . The full throttle contact is mounted with...

Adjusting Pinion Shaft With Universal Setting Gage Vw385

Hho Hexagonal Plates

Determine adjustment value E from known design value R 66.30 mm by adding deviation r which is shown on pinion face. The collar nut on the pinion shaft must definitely be tightened to specified torque prior to measuring. Fasten gear housing with 2 nuts. Install free gear of 5th speed together with spider. Block pinion shaft with clamp P 37a. Engage 4th speed and tighten collar nut to specified torque. 2. Make sure that outer races of bevel roller bearings are firmly seated in gear housing and...