Camshaft Cover Installation - Left Side - Off Vehicle

Tools Required 

EN 46328  Camshaft Holding Tool

Fig 1: View Of EN 46328 & Left Cylinder Head Camshafts
Courtesy of GENERAL MOTORS CORP.
1. Remove the EN 46328  from the left camshafts.
Fig 2: Applying Sealant At Split Line Of Left Cylinder Head & Camshaft Position Actuator Housings
Courtesy of GENERAL MOTORS CORP.
2. Place a small amount of sealant GM P/N 12378521 (Canadian P/N 88901148) or equivalent at the split line of the left cylinder head and the left camshaft position actuator housings.
Fig 3: View Of Left Camshaft Cover & Bolts
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Be careful to prevent the exposed section of the camshaft cover seal from being damaged by the edge of the cylinder head casting.
3. Install the left camshaft cover.
NOTE: Refer to Fastener Notice .
4. Install the left camshaft cover bolts.

   Tighten:  Tighten the left camshaft cover bolts to 10 N.m (89 lb in).

Fig 4: View Of Left Camshaft Cover Ground Strap & Bolts
Courtesy of GENERAL MOTORS CORP.
5. Install the bolts connecting the left camshaft cover ground strap to the left cylinder head and the left camshaft cover.

   Tighten: 

   • Tighten the left ground strap bolt into the camshaft cover to 10 N.m (89 lb in).
   • Tighten the left ground strap bolt into the cylinder head to 25 N.m (18 lb ft).