Valve Guide: Testing and Inspection
Valve Guide, Checking
Special tools, testers and auxiliary items required
• Dial Gauge
• Dial Gauge Holder (VW 387)
- Insert the new valve into the guide. The tip of the valve stem must seal 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 the tilt clearance is exceeded:
- Replace the cylinder head.