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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1063 (Engine Mechanical - 4.3L) >> Repair Instructions - On Vehicle >> Valve Rocker Arm Cover Replacement - Right Side >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Sierra and 2008 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Do not reuse the cover gasket or the valve rocker arm cover bolt grommets.
    Fig 1: View Of Rocker Arm Cover And Gasket
    GM328573Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW rocker arm cover gasket.
  2. Install NEW rocker arm cover bolt grommets, if necessary.
    3. Fig 2: Rocker Arm Cover
    GM869731Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  3. Install the rocker arm cover.
  4. Install the rocker arm cover bolts.

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

    5. Fig 3: Ignition Coil, Ignition Coil Driver, Ground Nut/Cable & Generator Electrical Connectors
    GM782177Courtesy of GENERAL MOTORS CORP.
  5. Position the engine wiring harness.
  6. Connect the engine wiring harness clips.
  7. Connect the following electrical connectors:
    • The ignition coil (1)
    • The ignition coil drive (2)
    • The generator (3)
    8. Fig 4: Heater Outlet Hoses
    GM869719Courtesy of GENERAL MOTORS CORP.
  8. Position the heater hoses.
  9. Install the heater outlet to the hose clip.
    10. Fig 5: View Of Air Cleaner Outlet Duct
    GM489176Courtesy of GENERAL MOTORS CORP.
  10. Align the hinge clip with the lip on the throttle body.

    In order to install the air cleaner outlet duct, pivot the air cleaner outlet duct downward until the mounting stud is through the hole.

    11. Fig 6: View Of Air Cleaner Adapter Nut
    GM489179Courtesy of GENERAL MOTORS CORP.
  11. Install the air cleaner adapter nut.
    12. Fig 7: Identifying PCV Hose
    GM701705Courtesy of GENERAL MOTORS CORP.
  12. Install the PCV hose.
    13. Fig 8: View Of Air Cleaner Outlet Duct Clamp
    GM360851Courtesy of GENERAL MOTORS CORP.
  13. Tighten the air cleaner outlet duct clamp at the MAF/IAT sensor.

    Tighten:  Tighten the clamp to 4 N.m (35 lb in).

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