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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1033 (Engine Mechanical - 6.6L (Lb7) (Repair Instructions 4 Of 4)) >> Repair Instructions (Off-Vehicle - Part 4) >> Valve Rocker Arm Cover Installation - Lower Left

Valve Rocker Arm Cover Installation - Lower Left

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: The gasket may be reused if it is not torn, cracked, stretched, or swollen.
  1. Install the lower valve rocker arm cover.
    2. Fig 1: View Of Lower Left Valve Rocker Arm Cover & Gasket
    GM660473Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the lower valve rocker arm cover screws.

    Tighten: 

    • Tighten the lower valve rocker arm cover screws in the proper sequence to 10 N.m (89 lb in).
    • Retighten the lower valve rocker arm cover screws in the proper sequence to the same torque, 10 N.m (89 lb in).

    3. Fig 2: Lower Valve Rocker Arm Cover Screws Tightening Sequence
    GM663902Courtesy of GENERAL MOTORS CORP.
  3. Install the injector harnesses.
  4. Install the injector harness bracket bolts.

    Tighten:  Tighten the injector harness bracket bolts to 9 N.m (80 lb in).

  5. Install the injector harness connectors to the injectors.

    Tighten:  Tighten the injector terminal nuts to 2 N.m (18 lb in).

    6. Fig 3: View Of Left Injector Harness, Bracket & Bolts
    GM660472Courtesy of GENERAL MOTORS CORP.
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