Camshaft Installation

1. Lubricate the following components with clean engine oil, engine oil supplement GM P/N 1052367, or equivalent:
- The camshaft lobes
- The camshaft bearing journals
- The camshaft bearings

NOTICE: All camshaft journals are the same diameter, so care must be used in removing or installing the camshaft to avoid damage to the camshaft bearings.

2. Install the three 5/16-18 x 4.0 inch bolts in the camshaft front bolt holes.
3. Using the bolts as a handle, install the camshaft.
4. Remove the three bolts from the front of the camshaft.





5. Install the camshaft retainer.
6. Install the camshaft retainer bolts.
Tighten the camshaft retainer bolts to 12 Nm (106 inch lbs.).

NOTICE: Refer to Fastener Notice in Service Precautions.