nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Drive Belts, Mounts, Brackets and Accessories > < Valve, Intake/Exhaust|Specifications
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Valve: Service and Repair

Check dimensions of each valve.
When the valve head has been worn down to 0.5 mm (0.020 inch) in margin thickness, replace valve.
Grinding allowance for valve stem tip is 0.2 mm (0.008 inch) or less.

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