Camshaft Installation

WARNING: This page is about a different car, the 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Coat the camshaft journals with clean engine oil.
Coat the camshaft lobes with prelube GM P/N 12345501, (Canadian P/N 992704) or the equivalent.
Install the camshaft using the following procedure:
1. 3.1. Install a large screwdriver into the camshaft bolt hole for support. Do not damage the threads.
2. 3.2. Rotate the camshaft while installing the camshaft into the camshaft bearings.
Fig 1: Installing Camshaft
Courtesy of GENERAL MOTORS CORP.
Install the camshaft thrust plate.

Fig 2: Install The Camshaft Thrust Plate
Courtesy of GENERAL MOTORS CORP.
Install the camshaft thrust plate screws.
Tighten:

Tighten the camshaft thrust plate screws to 10 N.m (89 lb in)
Install the camshaft position sensor.
Install the camshaft position sensor bolt.
Tighten:

Tighten the camshaft position sensor bolt to 10 N.m (89 lb in)

Fig 3: Camshaft Position Sensor
Courtesy of GENERAL MOTORS CORP.