2008 6.6L Duramax – VALVE ROCKER ARM COVER REPLACEMENT – UPPER LEFT SIDE – Installation Procedure

1. Install the valve rocker arm cover gasket.
2. Install the upper valve rocker arm cover.
3. Install the upper valve rocker arm cover bolts.

4. Tighten the upper valve rocker arm cover bolts in the sequence shown.
Tighten: Tighten the bolts to 8 N.m (71 lb in).

5. Install the left fuel injector pipes.
Tighten: Tighten the pipes to 41 N.m (30 lb ft).

6 . Install the water outlet tube. Refer to W ater Outlet Tube Replacement (LMM) .
7. Install the auxiliary generator, if equipped. Refer to Auxiliary Generator Replacement (6.6L) .
8 . Install the PC V hose/pipe. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement.

9. Install the main electrical connector harness bracket (2).
10. Install the main electrical connector harness bracket bolts (1).

Tighten: Tighten the bolts to 21 N.m (15 lb ft).

11. Clip the main engine electrical harness connectors to the main electrical connector harness bracket.

12. Connect the turbocharger vane position sensor electrical connector (1).

13. Connect the main engine electrical harness connectors.
14. Push down on the latches (1) in order to connect the connectors.
15. Close the harness clip (2).

16. Connect the fuel lines. Refer to Metal Collar Quick Connect Fitting Service
17. Install the fuel hose bracket nut.
Tighten: Tighten the nut to 21 N.m (15 lb ft).

18. Position the generator positive cable.
19. Install the generator positive cable in the clip on the engine front cover.
20. Install the generator positive cable and nut.
Tighten: Tighten the nut to 9 N.m (80 lb in).
21. Install the positive battery cable junction block bracket and bolt (1) to the power steering pump.

Tighten : Tighten the bolt to 9 N.m (80 lb in).
22. Remove the tape from the turbocharger openings.
23. Install the charged air cooler inlet duct. Refer to Charge Air Cooler Inlet Pipe Replacement.
24. Fill the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill) or Cooling System Draining               and Filling (Static F ill).
25. Connect the negative battery cable. Refer to Battery 7 Negative Cable Disconnection and Connection (w/Single             Battery) or Battery Negative Cable Disconnection and Connection (w/Auxilian Battery) or Battery Negative                   Cable Disconnection and Connection (w/Dual Batteries).
26. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement.