Installation Procedure

WARNING: This page is about a different car, the 2002 GMC Yukon XL, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Installing Crankshaft Sprocket Using J 22102

Courtesy of GENERAL MOTORS CORP.

Use the J 22102 in order to install the crankshaft sprocket.
Align the keyway of the crankshaft sprocket with the crankshaft pin.
Remove the J 22102 .
Rotate the crankshaft until the crankshaft sprocket alignment mark is in the 12 o'clock position.

Fig 2: Camshaft Sprocket, Bolt & Timing Chain

Courtesy of GENERAL MOTORS CORP.

IMPORTANT:

Install the camshaft sprocket with the alignment mark in the 6 o'clock position.
The sprocket teeth must mesh with the timing chain in order to prevent damage to the camshaft retainer.
Do not use a hammer to install the camshaft sprocket onto the camshaft. To do so may damage the camshaft.

Install the camshaft sprocket and timing chain.

Fig 3: Aligning Crankshaft & Camshaft Sprockets

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.

Ensure that the crankshaft sprocket is aligned at the 12 o'clock position and the camshaft sprocket is aligned at the 6 o'clock position.
Install the camshaft sprocket bolts.
Tighten:
1. Tighten the camshaft sprocket bolts a first pass to 30 N.m (22 lb ft).
2. Tighten the camshaft sprocket bolts a final pass to 30 N.m (22 lb ft).
Install the engine front cover. Refer to Engine Front Cover Replacement .