PSD locking system light due to wear in the multi-disc clutch: Porsche 928 Transmission & Drivetrain

Problem overview

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.

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Porsche 928 vehicles with this problem

5 model years affected

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PSD locking system light due to wear in the multi-disc clutch on Porsche 928

Problem overview

Porsche 928 vehicles with this problem

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