Porsche 928 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Porsche 928

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Porsche 928 Problems

Aged brake fluid causing problems

Aged brake fluid can cause numerous problems and should be replaced regularly.

Faulty igntion system causing misfire detection system to reduce engine power

The ignition system must be maintained—distributor caps, rotors, and cables require attention. The misfire detection system can cause the engine to shut down by half. The root cause of the problem must be ascertained before repair.

Timing belt inspection and adjustment
Timing belt life cannot be ascertained by inspection only. The timing belt and water pump must be maintained using the correct belt-adjustment tool. 

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Porsche 928 Questions

electrical system does not turned off completely (1 answer)

I have 1989 Porshe 928 s4. Recently when the car is turn off all instrument lights will turn off, but there is a low glow of light in the instrument dash quite visible in the dark. If left for a day or two it will completely drain the battery. Anyone have an answere!

TEMPERATURE PROBLEM (1 answer)

I am running a little less then 210. Seems it is overheating after driving for about 1 hour. Can you help me. Give me some idea of my problem.

Differential noises (1 answer)

The differential starts to act up after some normal driving. I get grinding noises especially when turning at low speeds. Have tried changing the fluid including using additives etc... it seems like there is damage in there. Has anyone experienced this and know what it might be? Is it worth r...

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Porsche 928 Recalls

Recall 92V092000
A PLASTIC FILLER PIECE LOCATED IN THE AUTOMATIC TRANSMISSION WAS INSTALLED WITHOUT SUFFICIENT SUPPORT. THIS FILLER PIECE CAN MOVE BECAUSE OF THE HYDRAULIC PRESSURE IN THE SYSTEM, AND NOT ALLOW THE AUTOMATIC TRANSMISSION TO KICK DOWN TO A LOWER GEAR.
Recall 90V117000
PLASTIC FUEL GAUGE MOUNTING NUT MAY CRACK AND ALLOW FUEL TO LEAK FROM THE FUEL TANK.

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Porsche 928 Reviews

A German "muscle car", of sorts. Have had 2, and they are unbelievable fun.
A great car for around town or trips to L.A.Generally people love the styling , though some hate it!By contemporary standards this a real eye catcher.Anyhow , a bit of a chore to keep up with service needs.Engine is a great performer but tempermental at times.For a large car the handlig is great.If you like going fast , tire life can be disappointing.Very comfortable for two , climate control i...

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