Valve Guide: Testing and Inspection

Valve Guides, Checking

Special tools, testers and auxiliary items required

• Dial gauge holder (VW 387)






• Dial gauge

Perform the following:

- Insert the new 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 in the intake guide and an exhaust valve in the exhaust guide.

- Determine tip clearance.

Wear limits

Intake valve guide: 1.0 mm

Exhaust valve guide: 1.3 mm