Camshaft Installation

WARNING: This page is about a different variant/trim than selected.

Fig 1: Handling Camshaft Using Three 5/16-18 X 4.0 Inch Bolts

Courtesy of GENERAL MOTORS CORP.

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

NOTE: 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.

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

Fig 2: View Of Camshaft Retainer & Bolts

Courtesy of GENERAL MOTORS CORP.

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

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the camshaft retainer and bolts.
Tighten: Tighten the camshaft retainer bolts to 12 N.m (106 lb in).