Tools Required

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

J 44212 Camshaft Holding Tool

Install the left secondary camshaft drive chain guide.

Fig 1: Installing Left Secondary camshaft Drive Chain Guard
Courtesy of GENERAL MOTORS CORP.
Loosely install the lower left secondary camshaft drive chain guide bolt.

Fig 2: Installing Lower Left Secondary camshaft Drive Chain Guide Bolt
Courtesy of GENERAL MOTORS CORP.
Install the left secondary camshaft drive chain shoe.

Fig 3: Installing Left Secondary Camshaft Drive Chain Shoe
Courtesy of GENERAL MOTORS CORP.

CAUTION: Refer to FASTENER NOTICE in Cautions and Notices.
Install the left secondary camshaft drive chain shoe bolt.
Tighten

Tighten the left secondary camshaft drive chain shoe bolt to 25 N.m (18 ft lbs).

Fig 4: Installing Left Secondary Camshaft Drive Chain Shoe Bolt
Courtesy of GENERAL MOTORS CORP.
Install the left secondary camshaft drive chain by sliding the chain down through the left cylinder head and placing the chain on the end of the camshafts.
Route the left secondary camshaft drive chain around the inner row of the intermediate drive chain sprocket teeth.

Fig 5: Installing Left secondary Camshaft Drive Chain
Courtesy of GENERAL MOTORS CORP.
Install the left intake and exhaust camshaft sprockets into the left secondary camshaft drive chain.

Fig 6: Installing Left Intake & Exhaust Camshaft Sprockets
Courtesy of GENERAL MOTORS CORP.
Install the left intake and exhaust camshaft sprockets onto the camshafts. The camshaft sprocket notch marked "LI" which indicates left intake, engages the intake camshaft pin and the camshaft sprocket notch marked "LE" which indicates left exhaust, engages the exhaust camshaft pin.

Fig 7: Installing Left Intake & Exhaust Camshaft Sprockets
Courtesy of GENERAL MOTORS CORP.
If necessary, use an open wrench on the hex cast near the front of each camshaft to help align the sprocket notch to the camshaft pin.
Loosely install the left intake and exhaust camshaft sprocket bolts.

Fig 8: Using Open Wrench On Hex Cast
Courtesy of GENERAL MOTORS CORP.
Ensure the perpendicular alignment of the left intake and exhaust camshaft sprocket notches and camshaft pins to the cylinder head.

Fig 9: Identifying Perpendicular Alignment Of Left Intake & Exhaust Camshaft Sprocket Notches
Courtesy of GENERAL MOTORS CORP.
Install the J 44212 to the left cylinder head camshafts.

Fig 10: Installing J 44212
Courtesy of GENERAL MOTORS CORP.
Install the upper left secondary camshaft drive chain guide bolt.
Tighten

Tighten BOTH the upper and lower left secondary camshaft drive chain guide bolts to 25 N.m (18 ft lbs).

Fig 11: Installing Upper Left Secondary Camshaft Drive Chain Guide Bolt
Courtesy of GENERAL MOTORS CORP.
Collapse the left secondary camshaft drive chain tensioner using the following procedure:
1. 14.1. Rotate the ratchet release lever counterclockwise and hold.
2. 14.2. Collapse the left secondary camshaft drive chain tensioner shoe and hold.
3. 14.3. Release the ratchet lever and slowly release the pressure on the shoe.
When the ratchet lever moves to the first detent a click should be heard and felt, insert a pin through the hole in the release lever in order to lock the left secondary camshaft drive chain tensioner shoe in the collapsed position.

Fig 12: Collapsing Left Secondary Camshaft Drive Chain Tensioner
Courtesy of GENERAL MOTORS CORP.

Important: Ensure the left secondary camshaft drive chain tensioner release lever is facing out.
Install the left secondary camshaft drive chain tensioner.
Install the left secondary camshaft drive chain tensioner bolts.
Tighten

Tighten the left secondary camshaft drive chain tensioner bolts to 25 N.m (18 ft lbs).
Remove pin from left secondary camshaft drive chain tensioner lever.

Fig 13: Installing Left Secondary Camshaft Drive Chain Tensioner
Courtesy of GENERAL MOTORS CORP.