SL L4-1.9L SOHC VIN 8 (1997)
Valve: Service and Repair
Valve Grinding
1. Grind the valve only enough to remove pits and carbon.
CAUTION: If the valve head is cupped, replace the valve.
2. Check that the valve is ground to the correct valve face angle. Valve Face Angle (Intake and Exhaust): Standard: 44.75-45.25 degrees.
3. Check the valve head margin thickness. If the valve head margin thickness is less than minimum, replace the valve.
Intake:
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Standard: 0.96-1.11 mm (0.0378-0.0496 inch).