Installation Procedure

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Fig 1: View Of Valve Lash Adjusters

Courtesy of GENERAL MOTORS CORP.

Lubricate and fill the valve lash adjusters with engine oil.
Install the valve lash adjusters in their original locations.

Fig 2: View Of Valve Rocker Arms

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Lubricate the valve rocker arm roller.
Install the valve rocker arms in their original locations.
Coat the camshaft journals with engine oil.

Fig 3: Identifying Camshafts

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Install the camshafts to their original position

Fig 4: Installing Camshaft Retainer Caps

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NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the camshaft caps onto their original journal.
Tighten: Tighten the camshaft cap bolts to 12 N.m (106 lb in).

Fig 5: View Of J 44222 Installed Onto Cylinder Head

Courtesy of GENERAL MOTORS CORP.

Carefully move the camshaft sprockets back onto the camshafts and remove the J 44222 . See Special Tools and Equipment .
Install the intake camshaft sprocket washer, and the bolt, and the exhaust camshaft actuator bolt.
Tighten:
- Tighten the intake camshaft sprocket bolt the first pass 20 N.m (15 lb ft).
- Use the J 36660-A to tighten the intake camshaft sprocket bolt the final pass and additional 100 degrees.
- Tighten the exhaust camshaft actuator bolt the first pass to 25 N.m (18 lb ft).
- Use the J 36660-A to tighten the exhaust camshaft actuator bolt a final pass an additional 135 degrees.
Install the camshaft cover. Refer to Camshaft Cover Replacement .