Valve Guide: Service and Repair

REPLACEMENT
1. To remove valve guide, heat cylinder head to 110 to 120° C (230 to 248° F).





2. Drive out valve guide using a hammer and suitable tool or a press having a force of 20 kN (2 ton).





3. Ream cylinder head valve guide hole. Valve guide hole diameter (for service parts):
- Intake and exhaust: 9.685 - 9.696 mm (0.3813 - 0.3817 inch).





4. Heat cylinder head to 110 to 120° C (230 to 248° F) and press service valve guide into cylinder head. Refer to the illustration, projection "L" is 11.5 - 11.7 mm (0.453 - 0.461 inch).





5. Ream valve guide. The finished size is (intake and exhaust) 5.500 - 5.515 mm (0.2165 - 0.2171 inch).