For 1990-2009 cars only
- Lubricate the following components with clean engine oil, engine oil supplement GM P/N 1052367, or equivalent:
- Install the three 5/16-18 x 4.0 inch bolts in the camshaft front bolt holes.
- Using the bolts as a handle, install the camshaft.
- Remove the three bolts from the front of the camshaft.
| • | 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.
