Operation CHARM: Car repair manuals for everyone.

Valve, Intake/Exhaust





Use an internal micrometer to measure the diameter of the valve guide.

Valve stem play
Intake 0.03 to 0.057 mm (0.0012 to 0.0022 inch)
Exhaust 0.04 to 0.067 mm (0.0016 to 0.0026 inch)