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Turbo damage due to overrevving the turbo

Symptom: Turbo damage in the form of binding turbo shaft due to overrevving the turbo, especially in markets where high speeds are common.

Turbo damage due to overrevving the turbo

Fault symptoms

Turbo damage in the form of binding turbo shaft due to overrevving the turbo, especially in markets where high speeds are common.

Conditions

Affects cars with engine alternative B235R. The turbo damage could appear during very high turbo rotation speed and loading in connection with high exhaust temperature.

Diagnostic procedure

A repair kit has been produced which is intended to reduce turbo rotation speed in order to prevent the fault appearing. The kit consists of both hardware and software and can be ordered in accordance with the following part numbers:

Model year

Chassis number.

Part number

2002

up to and including 23046803

555 638 23

2002

23046804 -

555 638 24

2003

complete MY

555 638 25

2004

complete MY

555 638 22

2005

complete MY

555 638 21