Valve Clearance: Adjustments

Valve Clearance Adjustment

WARNING: Make sure to support the vehicle with axle stands.
1 Raise and support the vehicle.
2 Remove the cover and disconnect the battery ground cable.
For additional information, refer to Specifications Vehicle Jump Starting
3 Remove the camshafts.
For additional information, refer to Camshafts Service and Repair
4 Replace the valve shims, with the smallest shim available.




5 Using the special tools, position and secure the exhaust camshaft.
Special Service Tool




Holder, Camshaft, 303-1235
6 Using the original bolt, install the camshaft sprocket and lightly tighten.




7 Using a feeler gauge, measure the clearance between the camshaft and the valve shim.
8 Measure and record the tappet clearances.
9 Remove the camshaft sprocket.

10 Remove the special tool.

11 Remove the exhaust camshaft.

12 Remove the valve tappets, replace with selected tappets.

13 Install the camshafts.
For additional information, refer to Camshafts Service and Repair

14 Connect the battery ground cable and install the cover.
For additional information, refer to Specifications Vehicle Jump Starting