Valve Guides, Checking
WARNING: This page is about a different variant/trim than selected.
Special tools and workshop equipment required
- Dial Gauge Holder VW 387
- Dial Gauge 0-10 mm VAS 6079
Procedure
NOTE:
If valve is replaced during repair, use new valve for measurement.
Due to different stem diameters, only use an intake valve in the intake guide and an exhaust valve in the exhaust guide.
-- Place valve in valve guide.
- Valve stem tip must seal with valve guide.
-- Determine the tilt clearance.
- Wear limit: 0.8 mm.
-- If wear limit is exceeded, measure using new valves.
-- Replace the cylinder head if the wear limit is still exceeded.
NOTE:
The valve guides cannot be replaced.