Valve Guide: Testing and Inspection
Valve Guides, Checking
Special tools, testers and auxiliary items required
• Dial gauge holder (MP 3-447)
• Dial gauge
- Insert a new valve into the guide. The valve stem tip must seal with the guide. Due to differences in valve stem diameters, make sure that only intake valves are used to check the intake valve guides, and only exhaust valves are used to check the exhaust valve guides.
- Determine tilt clearance.
Wear limit: 0.8 millimeter (mm)
If tilt clearance is exceeded:
- Replace the cylinder head.