Instructions

- Connect high-pressure measuring line (No. 2) to manometer (arrow) and attach manometer in rear left-hand area of wheel house where it is clearly visible. Connect System Tester 9288 (P. D39 45-9). Bleed manometer. To do so, activate locking solenoid valves with System Tester in menue for drive links bleeding and drain brake fluid from bleed valve until no more air bubbles appear. (Drain fluid into receptacle). Close bleed valve and press stop button. Move to position for pressure reduction.

Incorrect assembly

Check parking brake shoes, adjuster, return springs, thrust springs and spreader lever once more for correct seating, making corrections as required. 4. Clean end and centering surfaces of brake disc and wheel hub. Coat centering surface of wheel hub with a very thin coat of Optimoly TA. Be careful not to confuse right-hand and left-hand brake discs on Turbo-Look vehicles during reassembly. The discs may be identified by their involute shape and part No. (refer to front brake, p. 46-11) 6....

Technical Data

The technical data are valid for the 911 Carrera 4 and 911 Carrera 4 Turbo Look. C4 TL 911 Carrera 4 Turbo Look. Hydraulic dual circuit brake system with front rear axle brake circuit division. Hydraulic brake booster, inboard vented brake discs with four-piston fixed calipers front and rear. The pushrod circuit is applied to the front axle. ABS standard. Brake master cylinder 0 front 0 rear Stroke Brake force regulator Switchover pressure reducing factor C4 Piston 0 in brake caliper front rear...

Test pressures measuring procedures

Measurement 1 press, from 0 5 bar Measurement 2 10 30 bar Measurement 3 30 60 bar Measurement 4 Breakaway moment min. 500 Nm (367 ftlb), pressure 60 bar or over. Measurement 5 admission valve of longitudinal lock. Prescribed value approx. 2.0 3.5 bar Limit values (permissible locking values) and corresponding pressures are shown on P. D39 45-38. - Same procedure as for transverse lock testing except for following points On System Tester select menue for drive links checking longitudinal lock...

Possible causes of deviations from prescribed value

Hydraulic Turning Brake Porsche Rally

E.g. wheels not completely locked, manometer or locking hydraulics not properly bled. Transverse lock values not correct, causing deviations for longitudinal lock Longitudinal lock clutch plates not in good condition Hydraulic pressure not acting on clutch plates at level indicated, e.g. due to incorrectly adjusted end support screw of engaging lever (only with adjustable version engaging lever is in contact). 911 Carrera 4 All-wheel drive Antiblock system -...

To do this

- Depending on which admission valve is being checked first, connect manometer to relevant lock servo cylinder, first removing ignition key for safety reasons ( no pressure in lines from solenoid valve to admission valves). - Connect System Tester 9288 to diagnosis socket. - Connect inlet union (No. 3) to measuring line (No. 2). Fit this assembly, in conjunction with inlet-union screw, seal rings and connector (No. 4 No. 5 No.6) instead of bleed valve on relevant lock servo cylinder. Connect...

Carrera4 964 Stabilizer

The CV joint may separate by itself if the bellows retainer (arrow) has been removed or is damaged. The joint must therefore be protected against seperating by fitting two 8 mm bolts with nuts when it is removed and installed or transported. 5. Fit brake cooling air duct and stabilizer mount. Replace lock nuts. 1. Coat splines, threads and stem of the halfshaft with Optimoly HT. 2. Place support plates on pan head screws

Replacing wheel bearings

Press out using a 31.3 mm dia. drift P 297 A and separating device on a hydraulic press Press in place using 40 mm dia. drift P 297 A Heat rear-axle trailing arm to 120 - 150 deg.C. Press out angular-contact ball bearing with thrust piece VW 432 using suitable supports Heat rear-axle trailing arm to 120 - 150 deg.C. Put new angular contact ball bearing in place and follow by pressing in lightly Carrera 4 Table Of Contents Carrera 2 Addendum Main Menu 42 Rear Wheel Suspension, Axle Shaft 911...

Measurement 2 manometer pressure 2040 bar

Porsche 911 964 Engine Diagram

Produce test pressure with System Tester with suitable number of impulses. Set torque wrench to minimum value (depending on pressure) in accordance with limit table (P. D39 45-38). Repeat procedure as for measurement 1. - Measurement 3 manometer pressure 40 60 bar. Repeat procedure as for measurements 1 and 2. - Compare actual values of measurements 1 2 3 with those prescribed on P. D39 45-38. Measurement 2 manometer pressure 20 40 bar Actual values manometer pressure 31 bar measured locking...

Evaluation Table for Sensor Test

Information Fault Fault Elimination Installed position of sensors by way of the output voltage Sensors receive an input voltage of 5 V from the ABS PDAS control unit. Output voltage is 2.7 V insofar as the sensor is in horizontal position and in perfect condition. 2.7 0.14 volts for a stationary car on a level surface (ignition turned on). Test value above or below specified value bent sensor console or faulty sensor. No voltage displayed break in electric leads or faulty sensor. If applicable,...

Tightening torques for frontaxle

Rubber-metal bearing to cross member Rubber-metal bearing to FA final drive Rubber sealing disk in area of clamping sleeve to central shaft Central tube to transmission FA and RA drive Clamping sleeve to central shaft FA and RA drive The screw with washer must be replaced each time the screw connection is undone. The screw with washer must be replaced each time the screw connection is undone. Cooling-air guide for brakes to control arm Spring strut to wheel carrier camber adjustment Spring stmt...

Fault Fault Code Possible Causes Elimination Remarks

Check the wires from terminal L1 on the relay base to PIN 24 on the control unit plug and from L2 to PIN 35 for a break in circuit. 7. Check that the valve relay is energized voltage present at solenoid valve . Push back the protective cap on the locking valve plug block. Switch the ignition off, then switch it on again. The voltage of the car's electrical system must be present at PIN 1 and PIN 2. If no voltage is present, renew the valve relay experimentally, or test with the A8S 2-LED...

Inspection and installation work on the rack and pinion power steering

In order to fill the whole system after installation of new steering assemblies, lines or heavy hydraulic fluid loss, start the engine briefly several times and immediately switch it off again after it has started. During this operation, the fluid level in the supply reservoir falls rapidly. Consequently, the level must constantly be topped up with ATF Dexron II D. The supply reservoir must not be sucked empty. 2. If the fluid level in the supply reservoir no longer drops when the engine is...

Possible causes of deviations

Push Pull Solenoid Not Energized

Air gap at speed sensor is too large too small Damage to wheel bearing wheel bearings are not adjustable . Fault, Fault Code Possible Causes, Elimination, Remarks General procedure as for fault code - 21 - 1. Internal resistance continuity between PIN 47 and PIN 46 at control unit plug. Plug connections on right spring strut and on spring strut mount at right of trunk. 2. Speed sensor signal if the ABS tester is used, turn the wheel selector switch to the front right wheel. General procedure as...

When working on the booster circuit for removal and installation of corresponding parts first depressurize this circuit

To do this, disconnect the electrical plug on the pressure pump pump assembly refer to drawing 348-47 and then operate the brake pedal approx. 25 times. To remove and plug in the electrical plug, press in the center on the plug locking clip. Preparatory measures for first assembly or reinstallation This work step 1 st step is required only in the event of replacement or re-installation of the pump assembly, pressure accumulator and valve block. In addition, it is also necessary if the suction...

ABS test on 911 Carrera 2 using ABS 2LED tester Printed In Germany X 1990

KH VKD 3 P.O. Box 41 09 60 7500 Karlsruhe 41 Federal Republic of Germany Telephone 0721 4009-1 Telex 78 26 663 Authorized dealer or parts distributor ABS test on 911 Carrera 2 using ABS 2-LED tester 911 Carrera 2 Brake, Hydraulics, Regulator, Booster

Checking the speed sensor signal

Speed Sensor Oscilloscope

For this check, use ABS 2 - LED tester Page 45-7 , or an oscilloscope. Connect the ABS 2 - LED tester to the control unit plug with the 55-pin adapter line. If an oscilloscope is used, separate the speed sensor plug connection at the spring strut or spring strut mount in the trunk for distinguishing feature, see Page D39 45 - 13 . Connect the oscilloscope to the plug at the speed sensor side. Depending on the tester, select special input or secondary image. Check by turning the left front wheel...

Possible Causes Elimination Remarks

No feedback signal from valve to control unit 1. Switch off the ignition. Pull the plug off the control unit. Check that circuits at plug are not interrupted. If necessary, Interrupt the wiring path plug on locking valve block and localize the break by reference to the circuit diagram. 2. Pull off valve relay No. 1 at hydraulic unit. Check for a short to positive or earth ground in the wiring path as described in Item 1, by measuring at PIN 21. If there is a fault in the wiring path, separate...

Assembling the track rods on the steering gear

The link fork of the track rod must possess a certain installation position. The track rods are assembled with built-in steering gear. It must be ensured that the rack is not damaged scores . 1. Screw the track rod into the rack until - the link fork A is horizontal 2 deviation from the horizontal in the vehicle permitted . - and so that the distance B between the stop disk and the link fork is approx. 4 - 5 mm. When measuring the distance, the stop disk must rest on the rack. The stop disk...

Table of contents1

Tightening torques for brake Technical data Checking the thickness of the brake pads 46 - 1 Removing and installing the brake pads of the four-piston fixed-caliper brake 46 - 2 Adjusting the brake pressure rod checking the brake light switch setting 46 - 4 Checking and adjusting the hand brake 46 - 5 Checking brake disc lateral runout 46 - 7 Dismantling and assembling front brake 46-11 Dismantling and assembling rear Brake - hydraulics, regulator, booster Tightening torques for brake...

Possible faults

Proceed in general as for fault code -14 - with the foil, difference - front or rear wheel speed sensor is not supplying an adequate signal - front-rear differential lock plates not in working order. Procedure - in general as for fault code -14 - Fault, Fault Code Possible Causes, Elimination, Remarks 19 Full differential The fault is also recorded if the full locking button the traction switch locking button on the center console is held in the Engage locks for longer than 1. Check whether an...

Important vehicle information

- Always turn off the ignition or disconnect the battery for resistance measurements if this is not done, the measuring device could be destroyed . - Disconnect the control unit connector from the control unit only when the ignition is switched off. - Do not disconnect the battery when the engine is running. - Never use a starting aid with more than 16 V or a boost battery charger. - Depressurize the system first when working on the lock hydraulics. - If the battery has been disconnected,...

And No 5 are connected to the pressure gauge In the correct positions

High Pressure Seal Faces

The high-pressure hoses, however, may be connected in any position on pressure gauge No. 3a. A M18 x 1.5 with head seal B M16 x 1.5 with head seal C M18 x 1.5 flat sealing face with sealing ring D M16 x 1.5 flat sealing face with sealing ring E M14 x 1.5 flat sealing face with sealing ring Threads M 18 x 1.5 or M 16 x 1.5, depending on pressure gauge type refer to tool list on page 48-12 2 models specific for gauge type Shop-made tool, refer to drawing p. 48 -11 Shop-made tool, differing from...

Further to 2 Bleeding the lock cylinders and pressure lines

The longitudinal or transverse lock cylinder has been replaced the hydraulic system was opened after the valve block solenoid valves for longitudinal and transverse locks it is suspected that the bleeding condition of the lock control lock actuating is not optimum. Explanation Checking of the bleeding condition in the workshop is too time-consuming or not possible. For this reason, perform bleeding again if in doubt. If the pump assembly, pressure accumulator or the valve block has been...

Tightening torque for rear axle

Chamfer of lock nut faces fastening nut. 20 15 on original version 37 27 for recessed version Spring strut to rear axle trailing arm Spring strut support bearing to spring strut Plug of spring strut support mount 911 Carrera RS Distinction between the two versions on Page 42 -1 37 Nm 27 ftlb with shouldered nut Part number 900.380.006.02 and 3.1 mm thick washer Part number 999.025.125.02 see Page 42 -1. Make quite sure that no other washers nuts are installed. Do not...

Tightening torques for steering

Universal joint to steering gear and steering shaft Tie rod to balljoint and joint fork counter nut Pressure line and return line to steering gear Pressure line to pressure line union nut Replace screws each time they are removed. Only use original spare parts microencapsulated screws . Threads in cross members, screw theads and washers must be clean and free of grease. Always fit the screws evenly until the fastening clamps are level with the cross member before tightening the screws. Break...

Tightening torques for brake hydraulics

Hydraulic Brake Booster Schematic Symbol

Booster circuit brake pressure booster and differential lock control Steel pressure pipe at pressure reservoir, brake booster, valve block and pump assembly Copper pressure pipe at valve block, hose and lock cylinder Return line at valve block hollow screw Threaded coupling miniature measuring union at pressure reservoir Brake pressure pipe at master cylinder, brake hose, brake pressure regulator, distributor, brake caliper and hydraulic unit Brake power controller to angle bracket Pressure...

Preliminary work

To prevent the measured result from being corrupted, close the locks 2 x at full booster pressure before measurement. - Press the brake pedal as often as required until the pump assembly starts running. - When the pump assembly has switched off independently, turn the full-lock switch traction switch in the center console to the right close lock . Then turn the switch to the left open lock . - Repeat this operation, i.e. close and open the locks once more. 2. Depressurize the booster circuit...

Replacing Brake Fluid Bleeding Brakes and Lock Control

Porsche 964 Carrera

Use of an electric filling and bleeding machine is recommended to guarantee fast and practical replacement of the brake fluid. Pour new brake fluid in the supply tank until the level reaches the upper edge. Connect bleeder on the supply tank. Clamp the overflow hose venting with a hose clamp. Switch on bleeding machine. Connect System Tester 9288 in conjunction with connecting lead 9288 1 in the diagnostics socket in the passenger's foot-well underneath a cover . Turn on ignition and tester....

Pimp

Also used for checking pressure of booster circuit P.47-9 Used for removing installing brake calipers. A conventional 10 mm hexagon socket wrench may also be used Only 1 is necessary for checking transverse lock 2 are required for checking longitudinal lock. Torque-setting torque wrench covering the range from 5 - 500 Nm 3.7 - 367 ftlb Conventional see Workshop Manual . Depending on torque wrench version, corresponding reduction or union pieces are required for attachment to the adapter plate...

Important information

If admission pressure is too high before a valve is replaced , again build up a slight pressure and, unlike previous test, cause pressure to fall by switching off ignition. Loss of admission pressure should not exceed 0.5 bar within 5 minutes. After removing manometer, select System Tester menue for drive links bleeding and let off brake fluid from bleed valves of longitudinal and transverse lock servo cylinders until no more air bubbles appear. Disconnect System Tester and correct brake fluid...

Power supply and earthground

Pins occupied at control unit and sensor plug are the same as for the lateral acceleration sensor. 17 Longitudinal acceleration sensor Implausible signal Signals from longitudinal acceleration sensor to control unit are incorrect. Sensor has a mechanical fault, installed position is incorrect or connecting wires have been accidentally interchanged. 1. Check lateral and longitudinal acceleration sensor, Page 45 - 1 45 - 5. 2. Renew sensor if necessary. Repairs to the sensor are not permitted. 3....

Installation

Introduce drive shaft and tighten pan-head screws to 42 Nm 31 ftlb M 8 or 80 Nm 59 ftlb M 10 , respectively. 4. Coat seating surface of new M 22 x 1.5 lock nut with Optimoly HT and tighten to 460 Nm 339 ftlb . 1. Coat teeth, thread and stem of drive shaft with Optimoly HT. 2. Put shims on pan head screws and coat threads lightly with Optimoly HT. Insert pan head screws with shims into drive shaft flange, making sure the flange cover is not greased inadvertently. Wheels and tires Tire...

Checking the locking torque friction coefficients of the longitudinal and transverse locks

In the event of functional problems or irregularities, perform or verify test points 1, 2 and 3 before the locking torque test locking torque in relation to pressure . - No fault stored in the control unit fault memory t - Perfect bleeding condition of the lock control - Thickness of the disk assemblies ok wear assessment If the friction coefficient curves deviate from the setpoint in the locking torque test, the lock is not functioning optimally. Only a large deviation of the actual value from...

Specified torque

And apply a thin coat of Optimoly HT to the threads. Put pan head screws with support plates into halfshaft flange, making sure the flange cover is not greased accidentally . 3. Put halfshaft into position and fit pan head screws. Coat mounting surface of new M 22 x 1.5 lock nut with Optimoly HT and fit lock nut. 4. Fit joint carrier ball joint to wheel carrier. Taper of ball joint and wheel carrier must be free from grease. Apply a coat of Optimoly HT to ball joint threads. Replace lock nut.

Pressure gauge connection

To do this, disconnect the electrical plug at the pressure pump pump assembly and then press the brake pedal approx. 25 times. The system is depressurized as soon as the brake pedal feels hard when operated. In order to disconnect and plug the electrical plug onto the pressure pump, press in the center on the plug locking clip. Connect pressure gauge 9509 No.1 at the screw coupling mini measuring connection No. 3 of the pressure accumulator with the...

Explanation of special tool 9514

Special Tool 9514 Porsche

The scope of delivery of special tool 9514 comprises the parts A-B-C. The assembly consisting of A-B-C is used for transverse lock measurement. Only Part A is needed for longitudinal lock measurement. B Flange for transverse lock testing 3 Two surfaces for fixing the measuring cylinder for longitudinal lock measurement 4 Measuring groove on adjusting screw 5 Separating line for LS and QS measuring ranges 6 LS Longitudinal lock measuring range 7 QS Transverse lock measuring range also for PSD of...

Prepare vehicle for testing transverse locks

Inlet Union Screw

- Remove rear left-hand brake caliper do not open brake hydraulics and insert retaining block - Special Tool 9509 5 - into brake caliper instead of brake disc. - Connect manometer to transverse lock cylinder, first removing ignition key for safety reasons. - Plug System Tester 9288 into diagnosis socket. - Disconnect ground cable and retainer A from left-hand rear axle link arrows , first extending brake hose retainer B . This means brake line or brake hose does not have to be opened when...

Test pointTitle Page

Abs Tester Circuit Diagram

Overview of diagnosis Troubleshooting on PDAS and Connector assignment of PDAS ABS control Important vehicle 1 PDAS diagnosis with system tester Important information for diagnosis troubleshooting with system tester Fault memory Possible fault 2 Bleeding condition of lock post-bleeding the hydraulics of the lock actuation system 3 Measuring disk wear at the longitudinal and transverse locks D39 45-21 4 Checking locking moment friction coefficient of longitudinal and transverse 5 Checking admisi...

Dismantling and assembling wheel suspension

Replace Suspension Pan Porsche 911

Coat thread and nut mating surfaces with Optimoly HT. Tighten to 460 Nm 339 ftlb Coat thread with Optimoly TA. Tighten to 10 Nm 7 ftlb Coat thread and stem with Optimoly HT. Tighten to 200 Nm 147 ftlb Coat thread and stem with Optimoly HT. Tighten to 200 Nm 147 ftlb Coat thread and stem with Optimoly HT. Tighten to 200 Nm 147 ftlb To remove the rear-axle trailing arm, removal of the rear-axle spring brace and of the following parts items no. 16 to no. 21 is not required If the trailing arm has...

Adjusting Brake Push Rod Checking Stop Light Switch Adjustment

Porsche 964 Carrera

Adjusting Brake Push Rod Checking Stop Light Switch Adjustment Checking Stop Light Switch Adjustment The brake push rod is adjusted correctly, if the brake pedal plate is at the same height 3 mm as the clutch pedal plate clutch pedal in neutral position . If the stop lights light up after 16 mm pedal travel, adjust the brake pedal on the pivot head of the brake push rod lengthen the push rod until the stop light switch responds in tolerance range. The brake pedal does not have a stop. The...

Lateral runout of wheel hub max 005 mm

0,1 mm, remove the brake disc and check lateral runout of the wheel hub. Mark position of disc with regard to wheel hub. 7. Check wheel hub runout as follows Measure once outside arrow and once within wheel stud area of hub face. To fit the dial gauge, use either a magnetic universal dial gauge holder or the dial gauge holder VW 387.

Checking brake disc thickness

Measure brake disc thickness in approx. 8 places within the braking surface using a micrometer. Dismantling and assembling front brake 1. Remove brake caliper do not disconnect brake hose or brake line remove brake hose retainer from spring strut . 2. After removing the countersunk head screw s , take off brake disc. If the brake disc is binding and cannot be freed with light plastic hammer blows, screw two hexagon head bolts evenly into both 8 mm threads of brake disc and press off brake disc....

Wheel Alignment General Information

Wheel alignment is applicable for both the 911 Carrera 4 and 911 Carrera 2. Check wheel alignment of a vehicle with an optical or electronic alignment tester. Procedures are described in the operating instructions supplied with a pertinent tester. The following requirements must be fulfilled prior to checking the wheel alignment. - Vehicle at curb weight according to DIN 70020, which means a ready-to-drive vehicle with full fuel - Correct joint and wheel bearing play wheel bearing play cannot...

Dismantling

Take lock spring arrow off brake hose and remove bracket 7 from rear-axle trailing arm. 3. Unbolt brake caliper from rear-axle trailing arm and suspend at wheel housing. 4. Remove parking brake assembly from rear-axle trailing arm. Carrera 4 Table Of Contents Carrera 2 Addendum 42 Rear Wheel Suspension, Axle Shaft 5. Unbolt stabilizer bar mounts arrow from stabilizer bar. Raise rear-axle trailing arm somewhat, extend mount and let hang down. 6. On the 911 Carrera with Tiptronic, disconnect...

Removing and Installing Brake Pads of Four Piston Fixed Caliper Brakes

Superbee Speed Pedal Spring Location

Brake pads are replaced in the same manner as for other Porsche vehicle types with four piston fixed caliper disc brakes. There is only a brief description of procedures for this reason. However, always pay attention to the following points. Use specified brake pads see Parts Catalog . Replace damping plates each time brake pads are replaced. Damping plates are covered with an adhesive and protective sheet. This protective sheet must be pulled off prior to installation. Pad backplates backs of...

911 964 Accelerator Sensor

Jmg Porsche

Possible Causes, Elimination, Remarks 2 Lateral acceleration sensor Short-circuit Break in circuit Wiring between control unit and lateral acceleration sensor not in working order break, short to positive side or to earth ground , or the lateral acceleration sensor itself is damaged. The following wiring is installed - Power supply to sensor 5 Volt PIN 15 at control unit - PIN 3 at sensor PIN 9 at control unit - PIN 1 at sensor - Signal from sensor to control unit 2,7 0.14 Volt with car in...

Important Information for Working on Wheel Alignment of Vehicle

Conform with the following points when checking adjusting wheel alignment. Height Adjustment Wheel Load Change Changing the height on one side will simultaneously cause a change in wheel load. A wheel load change on one wheel will also change the wheel loads of the other wheels. Wheel loads are increased by increasing the installed spring preload on one side vehicle lifted . Left rear spring preload C is increased. This causes the wheel load - to increase at left rear C and right front B and -...

Dismantling and assembling spring strut

Dismantling Pistons With Bellows

A Initial version B Modified version as of Model '91 Before undoing the lock nut, preload coil spring with spring ten-sioner and take load off piston rod Use new lock nut. Coat thread with Optimoly HT. Tighten to 58 Nm 43 ftlb Observe references acc. to spare parts catalog Record adjusting distance position Coat spring mounting face with Optimoly TA. Install in correct position guide pointing towards spring Observe references acc. to spare parts catalog Preload coil spring with spring...

If no fault is found proceed with

Motor Porsche 911 Carrera

If a break or short to the positive side or to earth ground is present, pull off the motor relay. Check the wiring between terminal 85 at the relay base and PIN 5 at the control unit plug, and and between terminal 86 and PIN 20. If the wiring is in working order renew the motor relay. 2. Pull off the motor relay. The car's electrical system voltage app. 12 Volt must be present at terminal 87 of the relay base. 3. Bridge terminals 30 and 87 at the relay base. If the return pump does not run,...

Front Axle

964 Caster Adjustment

Prepare the car for checking and adjusting of the wheel positioning values. Place front wheels on rotating plates or something similar. Bottom front and rear wheel suspension of car 2 or 3 times and have spring force move the car up to ride level height each time. Camber is adjusted by displacing the spring strut to the wheel carrier. This requires unscrewing two mounting bolts with Special Tool 9265 1. Apply excentric socket 9265 on the upper mounting bolt head fillister head bolt and turn to...

Bosch Kdas 0003

Always conform with the following points when installing. - Electric leads plugs connected on the correct sensor mix-up test Testing requires use of a 55-pin ABS 2 - LED adapter lead see point 1. , multimeter, garage jack and measuring tape. The 55-pin adapter lead, which is required for the ABS test of Carrera 4 models instead of the 35-pin adapter lead , has 3 outlets which were integrated for testing of axial and lateral acceleration sensors. Robert Bosch GmbH Dept. KH VKD 3 P. 0. Box 41 09...

Installation instructions for wheel carrier

Carrera 4 Table Of Contents Carrera 2 Addendum 911 Carrera 4 Front Wheel Suspension, Axle Shaft Dismantling and assembling wheel suspension Tools commercially available e.g. Nexus 168-1 commercially available fork aperture approx. 20 mm e.g. Nexus 169-1. Used to press the ball joint off the wheel carrier

Testing ABS in 911 Carrera 4 with ABS 2LED Tester Important information on ABS of 911 Carrera

Bosch 9288 Tester

If any work is carried out on the hydraulic unit, speed sensors or cable harness, or if any units are replaced, e.g. during accident repairs, a function check with the ABS Tester must be performed. This prevents any mixing up of the electrical and hydraulic lines and ensures that the hydraulic unit functions correctly. 2. If a fault is indicated during operation without any prior assembly work , diagnosing and troubleshooting with System Tester 9288 is possible. In this case select system...

List of Repair Groups Carrera

Engine, Cylinder Head and Valve Drive Starter, Power Supply, Cruise Control Differential, Transaxle System, All-Wheel Drive Automatic Transmission, Controls, Case Automatic Transmission, Gears, Shafts Brakes, Hydraulics, Regulator, Booster Instruments, Fuel Gauge, Alarm System Survey of Information Published in Technical Manual beginning in 1985 - Summer Tires 205 55 VR 16 and 225 50 VR 16 - Turbo Brake Calipers Front and Rear - Brake Lines Visual Inspection On Car - Testing Criteria and...

Control arm with mounting boltsmounting nut

Bore diameter of wheel carrier mount 12 mm 964 gold-colored. Bore diameter mount 10 mm Stabilizer bar stabilizer bar mount Tensioning disc ABS gear 964 45 teeth 911 Carrera 4 Front Wheel Suspension, Axle Shaft 4. Fit spring stmt support mount to spring strut tower in correct position. 5. Bleed front brake circuit conventional method . 6. When assembling or replacing components that affect the vehicle height, check wheel alignment and vehicle ride height. When replacing parts...