Valve Guide: Testing and Inspection

Valve Guides, Checking

Special tools, testers and auxiliary items required

• Dial gauge holder (VW 387)

• Dial gauge

Test Sequence

- Insert the old valve into the guide. The end of the valve stem must be flush with the guide. Due to the slight difference in stem dimensions, ensure that only an intake valve is used for the intake guide and an exhaust valve for the exhaust guide.





- Determine tilt clearance.

Wear limit: max. 1.3 mm

• If wear limit is exceeded, re-measure using new valves. If wear limit is still exceeded, replace cylinder head. The valve guides cannot be replaced.

• If the valve is to be replaced as part of a repair, use a new valve for the calculation.