Valve Guides, Checking
WARNING: This page is about a different car, the 2009 Audi TT and 2008 Audi TT. However, it is still accessible from the selected car via links, so may be relevant.
Special tools and workshop equipment required
- Dial Gauge Holder VW 387
- Dial Gauge 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 tilt clearance.
- Wear limit: 0.8 mm.
-- If wear limit is exceeded, re-measure using new valves.
-- If wear limit is still exceeded, replace cylinder head.
NOTE:
The valve guides cannot be replaced.