Chevrolet Trailblazer Service Manual page 116

8. Detach the valve rocker arm cover from the cylinder head.
9. Remove and discard the gasket from the valve rocker arm cover.
10. Remove the oil fill tube from the valve rocker arm cover.
11. Remove the cap from the oil fill tube and discard the tube.
12. Clean the sealing surfaces as necessary.
To Install:
1. Use clean engine oil to lubricate the o-ring of the new oil fill tube.
2. Install the oil fill tube into the valve rocker arm cover.
3. Install the cap onto the oil fill tube.
4. Install a new gasket onto the valve rocker arm cover.
5. Attach the valve rocker arm cover to the cylinder head. Torque the bolts to 106 in-
lb (12 Nm).
6. Attach the vent hose to the valve rocker arm cover.
7. Install the ignition coils onto the valve rocker arm cover.
8. Connect the spark plug wires to the ignition coils.
9. Attach the engine harness to the engine.
10. Connect the ignition coil harness connector.
11. Install the A/C compressor hose into the vehicle.
12. If necessary, install the intake manifold sight shield to the engine.