Valve Guide, Checking

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Special tools and workshop equipment required

Dial gauge holder VW 387
Dial gauge

-- Insert the new valve into the guide. The tip of the valve stem must seal with the guide. Due to differences in valve stem diameters, make sure that only intake valves are used to check intake valve guides, and only exhaust valves are used to check exhaust valve guides.

Fig 1: Identifying Tools To Determine Tilt Clearance

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Determine the tilt clearance.

Wear limit: 0.8 mm.

If the tilt clearance is exceeded:

-- Replace the cylinder head.