Valve Guide - Replacement

VALVE GUIDE REPLACEMENT






1. To remove valve guide, heat cylinder head to 150 to 160°C (302 to 320°F) by soaking in heated oil.






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: 11.175 - 11.196 mm (0.4400 - 0.4408 inch)
Exhaust: 12.175 - 12.196 mm (0.4793 - 0.4802 inch)






4. Heat cylinder head to 150 to 160°C (302 to 320°F) and press service valve guide onto cylinder head.

Projection "L": 13.2 - 13.4 mm (0.520 - 0.528 inch)

5. Ream valve guide.

Finished size:
Intake: 7.000 - 7.018 mm (0.2756 - 0.2763 inch)
Exhaust: 8.000 - 8.011 mm (0.3150 - 0.3154 inch)