Operation CHARM: Car repair manuals for everyone.

Valve Guide: Testing and Inspection




Checking valve guides





1. Remove remainders with a cleaning reamer.

2. Place a new valve in valve guide and make sure that valve stem end is flush with mating surface of cylinder head/camshaft housing.

3. Check clearance with a dial gauge in dial gauge holder VW 387.
Wear limit = 0.8 mm