Valve Guide: Testing and Inspection
Valve Guide, Checking
Special tools, testers and auxiliary items required
• Dial Gauge Holder (VW 387)
• Dial Gauge (VAS 6079)
Test Sequence
- Insert a new valve into the guide. The end of the valve stem must be flush with the guide. Use only the intake valve in the intake guide and the exhaust valve in the exhaust guide.
- Determine tilt clearance.
• Wear limit: 1.30 mm.
- If the tilt clearance exceeds the wear limit, the cylinder head must be replaced.