Valve Guide: Service and Repair

VALVE GUIDE REPLACEMENT
G1. To remove valve guide, heat cylinder head to 110 to 130°C (230 to 266°F).






2. Drive out valve guide with a press (under a 20 kN [2 ton, 2.2 US ton, 2.0 Imp ton] pressure) or hammer and suitable tool.






3. Ream cylinder head valve guide hole.

Valve guide hole diameter (for service parts):
Intake & Exhaust 10.175 - 10.196 mm (0.4006 - 0.4014 inch)






4. Heat cylinder head to 110 to 130°C (230 to 266°F) and press service valve guide into cylinder head.

Projection "L":..............14.0 - 14.2 mm (0.551 - 0.559 inch)






5. Ream valve guide.

Finished size:
Intake & Exhaust..............6.000 - 6.018 mm (0.2362 - 0.2369 inch)