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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 906 (Engine Mechanical - 4.8L, 5.3L, 6.0L And 6.2L (2 Of 5)) >> On-Vehicle Repair Instructions (1 Of 2) >> Valve Rocker Arm Cover Replacement - 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.
IMPORTANT:
  • All gasket surfaces should be free of oil an/or other foreign material during assembly.
  • DO NOT reuse the valve rocker arm cover gasket.
  • If the PCV valve grommet has been removed from the rocker cover, install a NEW grommet during assembly.
    Fig 1: Rocker Arm Cover Gasket
    GM490696Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW rocker cover gasket (1).
    2. Fig 2: View Of Valve Rocker Arm Cover
    GM1277108Courtesy of GENERAL MOTORS CORP.
  2. Install the valve rocker arm cover.
    3. NOTE: Refer to Fastener Notice .
  3. Tighten the rocker arm cover bolts.

    Tighten:  Tighten the bolts to 12 N.m (106 lb in).

    4. Fig 3: View Of PCV Hose
    GM1696791Courtesy of GENERAL MOTORS CORP.
  4. Install the PCV hose.
    5. Fig 4: Ignition Coils & Bracket
    GM1402016Courtesy of GENERAL MOTORS CORP.
  5. Apply threadlock to the threads of the ignition coil bracket studs. Refer to Sealers, Adhesives, and Lubricants .
  6. Position the ignition coil bracket (719) onto the rocker cover.
  7. Install the ignition coil bracket studs (720).

    Tighten:  Tighten the studs to 12 N.m (106 lb in).

  8. Install the spark plug wires (724) to the ignition coils.
    9. Fig 5: View Of CPA Retainer, Electrical Connectors & Engine Harness Clips
    GM1696892Courtesy of GENERAL MOTORS CORP.
  9. Position the engine harness, as necessary.
  10. Install the engine harness clip (4) to the ignition coil bracket stud.
  11. Connect the engine harness electrical connector (1) to the ignition coil wire harness.
  12. Install the CPA retainer (2).
  13. Install the intake manifold cover. Refer to Upper Intake Manifold Sight Shield Replacement .
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