plymouth Workshop Repair Guides

Plymouth Workshop Service and Repair Manuals

Drive Belts, Mounts, Brackets and Accessories > < Valve, Intake/Exhaust|Removal and Installation
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Valve: Service and Repair
Refacing Valves and Valve Seats

1. The intake and exhaust valve seats and valve face have a 45 and a 45 1/2 degree angles. 
2. Inspect the remaining margin after the valves are refaced. Intake valves with less than 1.2 mm (3/64 inch) margin and Exhaust valves with less than 

0.9 mm (1/32 inch) margin should be discarded.

NOTE:  When refacing valves you should also reface valve seats. See: Valve Seat/Service and Repair 

Drive Belts, Mounts, Brackets and Accessories > < Valve, Intake/Exhaust|Removal and Installation