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Home >> Audi >> 2009 >> Q7 4.2 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 27 (3.0L - Cylinder Head & VALVETRAIN - Engine Code: CATA) >> 15 Cylinder Head, VALVETRAIN >> VALVETRAIN >> Valves, Checking

Valves, Checking

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

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