Adjust the valves only when the cylinder head temperature is less than 100°F (38°C).
- Before servicing the vehicle, refer to the precautions in the beginning of this section.
Remove or disconnect the following:
Negative battery cable
- Rotate the crankshaft so that the valves to be adjusted are closed and the rocker arm is contacting the camshaft lobe base circle.
- Measure the valve clearance. If adjustment is necessary, loosen the locknut and turn the adjusting screw as necessary to achieve the correct valve clearance.
The correct valve clearance is:
Intake valves: 0.008-0.009 inches (0.20-0.24mm)
- After adjustment, tighten the locknuts to 14 ft. lbs. (20 Nm).
Install or connect the following:
Start the engine and check for proper operation.