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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 958 (Engine Mechanical - 6.6L (2 Of 5)) >> On-Vehicle Repair Instructions >> Valve Rocker Arm Cover Replacement - Upper Left Side >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Upper Valve Rocker Arm Cover & Gasket
    GM1335635Courtesy of GENERAL MOTORS CORP.
  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. Fig 2: Upper Valve Rocker Arm Cover Bolts Tightening Sequence
    GM1411030Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  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. Fig 3: View Of Left Fuel Injector Pipes
    GM1335608Courtesy of GENERAL MOTORS CORP.
    NOTE: Ensure proper torquing of the fuel injector line. An under-torqued fuel injector line will not seal properly and an over-torqued fuel injector line may damage the fuel injector fitting. An improperly sealed or damaged fuel injector line or fuel injector fitting will cause a fuel leak.
  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 Water Outlet Tube Replacement (LMM) or Water Outlet Tube Replacement (LU3) .
  7. Install the auxiliary generator, if equipped. Refer to Auxiliary Generator Replacement (6.6L) .
  8. Install the PCV hose/pipe. Refer to Crankcase Ventilation Hoses/Pipes Replacement .
    9. Fig 4: View Of Main Electrical Harness Bracket & Bolts
    GM1873209Courtesy of GENERAL MOTORS CORP.
  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. Fig 5: View Of Main Engine Electrical Harness Connectors & Latches
    GM1873197Courtesy of GENERAL MOTORS CORP.
  11. Clip the main engine electrical harness connectors to the main electrical connector harness bracket.
    12. Fig 6: View Of Turbocharger Vane Position Sensor Electrical Connector
    GM1873036Courtesy of GENERAL MOTORS CORP.
  12. Connect the turbocharger vane position sensor electrical connector (1).
    13. Fig 7: View Of Main Engine Electrical Harness Connector Latches & Clips
    GM1873022Courtesy of GENERAL MOTORS CORP.
  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. Fig 8: View Of Fuel Line Bracket & Nut
    GM1378748Courtesy of GENERAL MOTORS CORP.
  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. Fig 9: View Of Battery Cable Junction Block Bolt At Power Steering Pump Bracket
    GM1409332Courtesy of GENERAL MOTORS CORP.
  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 (Static Fill) or Cooling System Draining and Filling (Vac-N-Fill) .
  25. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (w/Single Battery) or Battery Negative Cable Disconnection and Connection (w/Auxiliary Battery) or Battery Negative Cable Disconnection and Connection (w/Dual Batteries) .
  26. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .
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