Special Tools

EN 46101 Spark Plug Tube Seal Guide

1. Remove the upper intake manifold. Refer to Upper Intake Manifold Replacement.
2. Remove the right bank spark plugs. Refer to Spark Plug Replacement.
3. Unbolt the power steering reservoir and position aside. Refer to Power Steering Fluid Reservoir Replacement.
4. Reposition engine wiring harness aside.



5. Remove the right camshaft cover bolts.
6. Remove the right camshaft cover from the right cylinder head.
7. Clean the mating surfaces of the cylinder head and the camshaft cover. Refer to Camshaft Cover Cleaning and Inspection.



8. Install the EN 46101 onto the spark plug tubes of the left cylinder head.

1. Install new camshaft cover bolt grommets prior to installing the camshaft cover bolts.



2. 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).



3. Place the right camshaft cover into position onto the right cylinder head.



4. Loosely install the right camshaft cover bolts.

Caution: Refer to Fastener Caution in the Preface section.




5. Tighten the right camshaft cover bolts in the sequence shown to 10 N·m (89 lb in).
6. Reposition engine wiring harness.
7. Install the power steering reservoir. Refer to Power Steering Fluid Reservoir Replacement.



8. Remove the EN 46101 from the spark plug tubes of the right cylinder head.
9. Install NEW spark plugs into the right cylinder head. Refer to Spark Plug Replacement.
10. Install the upper intake manifold. Refer to Upper Intake Manifold Replacement.