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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 994 (Engine Mechanical - 6.6L (LLY)) >> Repair Instructions >> On-Vehicle Repair Instructions >> Intake Manifold Tube Replacement >> Installation Procedure

Installation Procedure

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.
  1. If necessary, install NEW O-ring seals onto the tube.
  2. If necessary, install the intake manifold tube.
    3. Fig 1: View Of Intake Manifold Tube
    GM1335575Courtesy of GENERAL MOTORS CORP.
  3. Install the air inlet tube and NEW gaskets.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the air inlet tube nuts.

    Tighten:  Tighten the nuts to 25 N.m (18 lb ft).

    5. Fig 2: View Of Air Inlet Tube
    GM1335564Courtesy of GENERAL MOTORS CORP.
  5. Install the air inlet tube to intake manifold tube bolt and nut.

    Tighten:  Tighten the bolt/nut to 10 N.m (89 lb in).

    6. Fig 3: View Of Air Inlet Tube To Intake Manifold Tube
    GM1335562Courtesy of GENERAL MOTORS CORP.
  6. If necessary, install a NEW tie strap over the electrical harness.
    7. Fig 4: View Of Electrical Harness Tie Strap
    GM1335476Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Lubricate the end of the duct prior to installation.
  7. Install the charged air cooler outlet duct to the intake.
    8. Fig 5: View Of Charged Air Cooler Outlet Duct
    GM1334381Courtesy of GENERAL MOTORS CORP.
  8. Tighten the charged air cooler outlet duct to intake hose clamp.

    Tighten:  Tighten the clamp to 6 N.m (53 lb in).

  9. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement in Engine Controls - 6.6L (LLY).
  10. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .
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