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Home >> Audi >> 2017 >> S7 Premium Plus >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine System (Cylinder Head & VALVETRAIN - Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC) >> Cylinder Head, VALVETRAIN >> Intake And Exhaust Valves >> Valves, Checking

Valves, Checking

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

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

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