Problem Reports

Porsche 928

Report: Central warning system erratic due to electrical interference

• AC System Erratic Due to Fautly Sensors, Actuators, or Control Assembly
  The AC climate control system can be erratic. Diagnoses of the interior sensors, actuators, and...

  Common Problems > Porsche 928

• PSD locking system light due to wear in the multi-disc clutch
  Due to wear in the differential multi-disc clutch, the PSD (Porsche Slip Differential) locking...

  Common Problems > Porsche 928

• Clutch system issues due to contaminated fluid
  The hydraulic fluid for the clutch system may be overlooked; the fluid should be replaced regul...

  Common Problems > Porsche 928

• electrical system does not turned off completely
  I have 1989 Porshe 928 s4. Recently when the car is turn off all instrument lights will turn of...

  Q&A > Porsche > 1990 Porsche 928

• Monitor warning lights and inspect brakes
  Pay close attention to warning lights and have the brakes inspected regularly—immediately...

  Common Problems > Porsche 928