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Vauxhall Workshop Service and Repair Manuals

Poor Operation, Incorrect Operation > < C-030 Vehicle Speed Input Signal Circuit

Field Remedy: 2504

Subject: Z20LEH Engine - Flow noise out of the engine when engine is hot and decelerating with 1500 - 2200 rpm.
Models: Engines: Option:
Astra-H 2006...,Zafira-B 2006... Z20LEH,Z20LEH Z20LEH Engine
Complaint: Flow noise coming from the nozzles piston cooling.
Cause: Under investigation.
Production:

Remedy:

In case of customer complaint please do not replace any parts until 
improved piston cooling nozzles are available. The noise has no 
influence to the cooling function. TSB will be updated upon 
availability of a solution.

FunctionalGroup: J - Engine
Complaint Group: 14 - Noises or Vibrations
Trouble Code:

Poor Operation, Incorrect Operation > < C-030 Vehicle Speed Input Signal Circuit