TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Audi for this TSB. Call your local Audi dealer's service department & ask for a copy of TSB# 0001.

Affected Component: ENGINE AND ENGINE COOLING:ENGINE

Summary

EXPERIENCING GROANING OR HOWLING NOISE FROM ENGINE COMPARTMENT WHEN ACCELERATING DURING PARTIAL LOAD BETWEEN 2500 - 3000 RPM AND / OR NOISY CHARGE PRESSURE BYPASS VALVE WHEN DECELERATING BETWEEN 2000 - 3000 RPM. *TT

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