Valve Guide: Testing and Inspection

Valve Guide, Checking

Special tools, testers and auxiliary items required

• Dial Gauge Holder (VW 387)

• Dial gauge

Sequence

- Install 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 the tilt clearance.

• Wear limit: 0.8 mm

If tilt clearance is exceeded:

- Replace the cylinder head.