9000 Hatchback L4-2290cc 2.3L DOHC Turbo EFI (1994)
Valve Seat: Service and Repair
For recutting the valve seats, use the cutter kit comprising T-wrench, pilot 83 93 928 and cutters 83 93 936 (Neway 286 45° and Neway 270 60°), or
equivalents.
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Valve seat angles for inlet and exhaust valves: 45°
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Recutting angle: 60°
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Width of inlet valve seat: 1 - 1.5 mm
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Width of exhaust valve seat: 1.25 - 1. 75 mm
Only a limited amount of material can be removed from exhaust valve face, since the stellite coating must be preserved as much as possible.
Consequently, if valve is badly pitted or worn, it should be replaced.