Valve Guides, Checking: Procedure
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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 valve guide and an exhaust valve in the exhaust valve guide.
-- Secure the Dial Gauge - 0-10 mm VAS 6079 on the cylinder head with the Dial Gauge Holder VW 387 as shown.
-- Place valve in valve guide.
- Valve stem tip must seal with valve guide.
-- Determine tip clearance.
- Wear limit: 0.8 mm (0.0314 in.).
-- 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.