Service

Jpfirpirrfor the cooling flap pull rod s'ceived a1 self locking nut (arrow in picture). fom production date October 5, 1987 SRl.'. VIN 92 JS 860757 Iftthe ervgine operating temperature is high or MllMrici flap operation is impaired on cles prior to the above VIN, check the H'fefqr tightness and replace the nut with JgPin'g-nut part number 900 910 109 00. Mgegnjcal Bulletins are intended for use by professional technicians, not a Do-it-yourselfer. They are written to ge e technicians of...

Info

With the Model 1985 the tachometer has shift lever indicators in addition to the former selector lever position indicator on the center console. A shift lever indicator corresponding with the selector Jever position lights up, if the ignitions is oh or the main car lights are switched on. The indicator goes out only after removing the ignition key. Should the indicator light not work for any reason, on cars in the V N range WPOJ B0920FS860061 to WP0JB0927FS 880140, the starting interlock...

Air Conditioning Oil Filling Capacities

Volume of refrigerant oil and refrigerant (R12) required for Porsche factory installed A C systems. Vehicle 78-83 from 84 up to 79 from 80 up to 79 from 80 from 84 with rear condensoi 1200 gr (42,3) Note A refrigerant oil volume variation of 10 is permissable. Disconnected E Plug During Transport To avoid battery discharge during transportation, plug E has been disconnected on central electric board. Therefore, it is no longer necessary to remove fuse number 24 and pull off burglar alarm plug....

Itlillllii

Porschedealer

PCNA Technical Bulletins are intended for use by professional technicians, not a Do-it-yourselfer. They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Special tools may be required to perform certain operations identified in these bulletins. Use of tools and procedures other than those recommended in these bulletins may be detrimental to the safe operation of your vehicle....

Technical Bulletin

To improve sealing of the cylinder head cover and the eliminate the possibility of the spacer stud 6 becoming loose or breaking off during removal, the stud was deleted. The gaskets for cylinder head cover 1 , spark plug holes 2 and the sealing washer 4 are improved. Torque for spacer bolts 3 10Nm 7 ft. lbs. As of production date Jan. 9, 1986 The new gaskets can be installed on early four valve engines. The new bolts and washers cannot be replaced separate. The complete cylinder head has to be...

Crankshaft Main Bearings

491721 Oil

The diameter of lateral bearing surfaces at bearing No. 3 arrows was changed from 90 mm to 97 mm. The following changes to the No. 3 thrust bearing, crankcase and crankshaft were made beginning with engine number 81 E 00148 manual trans. 81 E 05344 automatic trans. The diameter of the axial bearing surfaces on thrust bearing 3, Pari No. 928.101.141.00, was changed from 90 mm to 97 mm. The diameter of the cut on bearing seat No. 3 arrow in the upper and lower sections of- the crankcase was...

C

To reduce creeping when the vehicle is standing still at idle speed, and to reduce fuel consumption, the transmission valve body has been changed. From Production Date October 15, 1986 Transmission Number 16 H 00564 With shift lever in position 3 or D and a throttle valve opening of 0 degree to 27 degrees, second gear Is engaged. When accelerating from a stop under these conditions the vehicle starts out in second gear. With shift lever In position 2 the transmission still starts in first and...

Technical Bulletins

PORSCHE CARS NORTH AMERICA SERVICE INFORMATION Maintenance Requirements M.Y. 1989 interpretation of Fault Codes with Tester 9268 Use of Tester 9268 on 1989 Model Year Cars Replacing Oil Pressure Reducing Valve Troubleshooting Engine Cooling Flap and Fan System Mechanical Tensioner Material Changed Part Number on Poly Rib Belt invalid Diagnosing Condition of Toothed Drive Belts Starter Solenoid Troubleshooting and Replacing Group 2 continued 8804 Tester 9268 Cable Connection 944S, 928 S4 93 8805...

Technical

PORSCHE CARS NORTH AMERICA SERVICE INFORMATION Maintenance Requirements M,Y. 1987-1988 . Cam Beti Tensioner Nut Torque Ail Models Through Short Block installation Modifications Tightening Procedure For Cylinder Heads Installing New Type Oil Pressure Relief Vaive When New Ambient Air Valvs To Eliminate Rattling Noises Oii Level Warning System Stages Of Installation in Right Engine Mount Replacing With Turbo Type Engine Main Bearing Torque Changed For Pre-1987 Radiator Thermoswitch Mounting...

Ressure Damper And Regulator

A - vacuum hose connection - 49 states b - vacuum hose connection - California A - from fuel tank B - return to fuel tank C - to oil fiiter housing throttle housing D - from charcoal canister E - to automatic transmission F - to EZF control unit a - vacuum hose connection - 49 states b - vacuum hose connection - California A - from fuel tank B - return to fuel tank C - to oil filter housing throttle housing D - from charcoal canister E - to automatic transmission F - to EZF control unit Below...