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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Mechanical - 6.6L - On Vehicle Repair Instructions) >> On-Vehicle Repair Instructions >> Valve Rocker Arm Cover Replacement - Upper Right >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Install the upper valve rocker arm cover gasket.
  2. Install the upper valve rocker arm cover.
    Fig 1: View Of Upper Valve Rocker Arm Cover & Gasket
    GM1335653Courtesy of GENERAL MOTORS CORP.
  3. Install the upper valve rocker arm cover bolts.
    4. NOTE: Refer to Fastener Notice .
    Fig 2: Identifying Upper Valve Rocker Arm Cover Bolt Tightening Sequence
    GM1411030Courtesy of GENERAL MOTORS CORP.
  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. 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.
    Fig 3: View Of Fuel Injector Pipes
    GM1335614Courtesy of GENERAL MOTORS CORP.
  5. Install the fuel injector pipes.

    Tighten:  Tighten the pipes to 41 N.m (30 lb ft).

  6. After installing the fuel injector pipes, clean the injector pipes and apply sealant GM P/N 97720043, at the fittings to prevent moisture and debris from collecting between the line and fitting.
  7. Install the PCV hose/pipe. Refer to Crankcase Ventilation Hoses/Pipes Replacement .
  8. Position the fuel filter with bracket to the rocker cover.
  9. Install the fuel filter bracket bolts.
    Fig 4: Identifying Fuel Filter Bracket Bolts
    GM1602054Courtesy of GENERAL MOTORS CORP.

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

  10. Position the heater outlet hose.
  11. Install the heater hose bracket bolt to the bracket.

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

  12. Install the EGR cooler tube. Refer to Exhaust Gas Recirculation (EGR) Valve Cooler Tube Replacement .
  13. Install the bracket.
    Fig 5: Wiring Harness Retainer
    GM1601448Courtesy of GENERAL MOTORS CORP.
  14. Install the oil level indicator tube bracket bolts.

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

  15. Install the oil level indicator tube bolt.

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

  16. Install the wiring harness retainer to the bracket.
    Fig 6: Charged Air Cooler Outlet Duct
    GM1653035Courtesy of GENERAL MOTORS CORP.
  17. Install a NEW quick connect fitting clip to the charged air cooler duct.
  18. Install the charged air cooler outlet duct to the intake.
  19. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  20. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .
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