Valve Clearance
- Disconnect the negative battery cable.
- Remove the valve rocker-arm cover.
- Turn the crankshaft clockwise until the alignment notch on the crankshaft pulley (1) with the "0" mark on the engine front cover tab.
- Check that the rocker arms of the number 1 cylinder are off the respective cam lobes of the camshaft. If they are not, rotate the crankshaft clockwise one revolution until the alignment notch on the crankshaft pulley is aligned with the "0" mark on the engine front cover tab.
- Using a feeler gauge, measure the clearance between valves (1 intake), (2 intake), (1 exhaust) and (3 exhaust). See VALVE LASH SPECIFICATIONS table.
- Turn the crankshaft clockwise 1 revolution until the alignment notch on the crankshaft pulley is aligned with the "0" mark on the engine front cover tab.
- Using a feeler gauge, measure the clearance between valves (3 intake), (4 intake), (2 exhaust) and (4 exhaust). See VALVE LASH SPECIFICATIONS table.
- Install the valve rocker-arm cover.
- Connect the negative battery cable.
IMPORTANT:
When checking valve clearance, insert the feeler gauge between the camshaft and the cam-riding face of the rocker arm.
VALVE LASH SPECIFICATIONS
| Valve Clearance | In. (mm) | |
|---|---|---|
| Intake | ||
| Cold | .005-.007 (.13-.17) | |
| Hot | .007-.008 (.17-.21) | |
| Exhaust | ||
| Cold | .009-.011 (.23-.27) | |
| Hot | .011-.013 (.28-.32) | |