The worst 1991 Porsche 928 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 1
Power train: automatic transmission
- What is wrong
- 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.
- Risk
- If the accelerator pedal is pushed into the kick-downposition, the expected acceleration of the vehicle may not occur due tointerference of the filler piece. This could result in an accident during avehicle passing manuever.
- Remedy
- Dealers will install a new filler piece which has a securing brace to prevent movement.
Recall number 92V092000 · Recall details
Technical service bulletins for the 1991 Porsche 928 81
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Information for PIWIS tester update 42.300.050 & .052
- Instructions on manufacturers certificate for approved C20 engine oils
- Instructions on manufactures certificate for approved Porsche C30 engine oils
- Instructions on manufactures certificate for approved Porsche A40 engine oils
- Information for PIWIS tester update 42.300.040 & .041
- Information for PIWIS tester update 42.300.035
- Information for PIWIS tester update 42.300.030
- Parts information for parts withdrawal involving the glass roof
- Special tools and equipment information on PIWIS tester update 42.250.050
- Information on PIWIS tester update 42.250.045
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Questions about the 1991 Porsche 928
Is the 1991 Porsche 928 reliable?
Owners have filed 0 complaints about the 1991 Porsche 928.
What is the most common problem with the 1991 Porsche 928?
There are not enough complaints to tell.
How many recalls does the 1991 Porsche 928 have?
1 recall, covering power train.
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