63. Camshaft Installation

Camshaft Installation




1. Apply clean engine oil GM P/N 12345610 (Canadian P/N 993193) or equivalent, or engine oil supplement GM P/N 1052367 (Canadian P/N 992367) or equivalent, to the following components:

* The engine camshaft lobes
* The camshaft bearing journals
* The camshaft bearings
* The distributor drive gear

2. Install three 5/16-18 x 4.0 inch bolts into the engine camshaft front bolt holes.

Caution: 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.

3. Use the bolts as a handle in order to install the engine camshaft.
4. Remove the 3 bolts from the front of the engine camshaft.




5. If reusing the fasteners, apply threadlock GM P/N 12345382 (Canadian P/N 10953489) or equivalent, to the threads of the camshaft retainer bolts.

Caution: Refer to Fastener Caution (Fastener Caution).

6. Install the camshaft retainer and bolts and tighten to 12 Nm (106 lb in).