Valve Guide: Testing and Inspection

Valve guides, checking
Special tools and equipment





^ VW387 Universal dial indicator bracket
^ Dial indicator





Test sequence
- Insert new valve into guide until end of valve stem is flush with end of guide. Due to slight difference in stem dimensions, ensure that only an intake valve is used in intake guide and an exhaust valve in exhaust guide.
- Determine valve rock.
Wear limit: 0.8 mm
If rock tolerance is exceeded:
- Replace cylinder head.