Valve Guide: Service and Repair

REPLACEMENT
1. To remove valve guide, heat cylinder head to 120 to 140° C (248 to 284° 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: 11.175 - 11.196 mm (0.4400 - 0.4408 inch).





4. Heat cylinder head to 120 to 140° C (248 to 284° F) and press service valve guide into cylinder head. Refer to the illustration, projection "L" is 13.3 - 13.9 mm (0.524 - 0.547 inch).





5. Ream valve guide. the finished size is (intake and exhaust) 7.000 - 7.018 mm (0.2756 - 0.2763 inch).