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Home >> Audi >> 2012 >> Q7 3.0 TDI >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (4.2L - Cylinder Head & VALVETRAIN - Engine Code: Bar) >> 15 Cylinder Head, VALVETRAIN >> Diagnosis And Testing >> Valves, Checking

Valves, Checking

WARNING: This page is about a different car, the 2010 Audi Q7, 2009 Audi Q7, 2008 Audi Q7, and 2007 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.

-- Check valves at stem and seating surface for traces of wear.

-- If there are clear traces of wear, replace valve.

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