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Home >> Volkswagen >> 2017 >> Jetta GLI, Automatic DCT Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine System (Cylinder Head & VALVETRAIN System - Service Information - 1.8L; 2.0L TFSI - CPLA, CPPA, CPKA, CPRA) >> 15 Cylinder Head, VALVETRAIN >> Intake And Exhaust Valves >> Valves, Checking

Valves, Checking

-- Check the valves at stem and seating surface for wear grooves.

-- If there are clear wear grooves, replace the valve.