Valve Guide: Testing and Inspection

Valve guides, checking





Special tools and equipment
^ VW387 dial gauge holder
^ Dial gauge





Test sequence
- Insert a new valve into guide. Valve stem tip must seal with guide. Due to differences in valve stem diameter, make sure that only intake valves are used to check intake guides, and only exhaust valves are used to check exhaust guides.
- Measure side play. Wear limit: 0.8 mm
If the side play is greater than 0.8 mm:
- Replace cylinder head.