Porsche 928 Problem Report
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 system light may illuminate. The independent hydraulic fluid supply for the PSD needs to be maintained properly, including the filling/replacement of fluid before problems develop.
Mechanical wear in the clutch and clutch release mechanism can cause shifting engagement and no...
The hydraulic fluid for the clutch system may be overlooked; the fluid should be replaced regul...