A6 Quattro Wagon V6-3.2L (BKH) (2006)
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Remove the affected Camshaft Adjustment Solenoid Valve(s).
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Thoroughly inspect the Hydraulic Mechanism of the Solenoid Valve(s) and its mounting location in the cylinder head for any debris.
If there is any debris inside the Hydraulic Mechanism:
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Replace affected Solenoid Valve(s) and clean out its mounting location in the cylinder head thoroughly.
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DO NOT replace the Camshaft Adjusters!
If there is no debris present inside the Hydraulic Mechanism:
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Check the correct function of the Camshaft Position Sensor(s) (G40/G163/G300/G301) of the affected camshaft(s) with Guided Fault Finding.
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Follow Guided Fault Finding for further Diagnosis.
Warranty
Required Parts and Tools
All part and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Dept. and service manuals for
the latest information.