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Camshaft Cover Installation - Left Side




Camshaft Cover Installation - Left Side

Special Tools

* EN 46101 - Spark Plug Tube Seal Guide

* EN-48383 - Camshaft Retaining Tools
For equivalent regional tools, refer to Special Tools Special Tools.




1. Remove the EN 48383-2 from the rear of the left camshafts.




2. Install the EN 46101 - guide onto the spark plug tubes of the left cylinder head.




3. Install the NEW camshaft cover bolt grommets prior to installing the camshaft cover bolts.

4. Wipe the camshaft cover sealing surface on the left cylinder head with a clean, lint-free cloth.




5. Place a bead 8 mm (0.3150 in) in diameter by 4 mm (0.1575 in) in height of RTV sealant, GM P/N 12378521 (Canadian P/N 88901148) or equivalent, on the engine front cover split lines (1).




6. Place the left camshaft cover into position onto the left cylinder head.




7. Loosely install the left camshaft cover bolts.





Caution: Refer to Fastener Caution Fastener Caution.

8. Tighten the left camshaft cover bolts in the sequence shown.

1. Tighten the left camshaft cover bolts in the sequence to 10 Nm (89 lb in).

2. Tighten the left camshaft cover bolts a second pass in the sequence to 10 Nm (89 lb in).




9. Remove the EN 46101 - guide from the spark plug tubes of the left cylinder head.




10. Install the NEW spark plugs into the left cylinder head and tighten to 18 Nm (13 lb ft).




11. Inspect the inside of the ignition coil rubber boot for a thin, even coat of grease. If there is no grease present or additional grease is necessary, complete the following procedure:

1. Apply a thin coating of dielectric grease evenly to the inside of the ignition coil rubber boot, up to a depth of 15 mm from the end of the boot. Refer to Adhesives, Fluids, Lubricants, and Sealers Adhesives, Fluids, Lubricants, and Sealers.

2. Remove any excess grease from around the end of the boot, and ensure there is not an excessive amount within the boot.

12. Install the ignition coils.




13. Install the ignition coil bolts and tighten to 10 Nm (89 lb in).