Valve Guide: Testing and Inspection

Valve guides, checking
Special tools and equipment





^ VW 387 Universal dial gauge bracket
^ Dial gauge





Test sequence
^ Insert new valve into guide until end of valve stem is flush with end of guide.

Note: Due to the slight difference in stem dimensions, ensure that only an intake valve is used in an intake guide and an exhaust valve in an exhaust guide.

^ Determine valve rock.
Wear limit: 0.8 mm
If valve rock tolerance is exceeded:
^ Replace cylinder head.