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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 >> Intake Manifold Tube Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. If necessary, install NEW O-ring seals onto the tube.
  2. If necessary, install the intake manifold tube.
    Fig 1: View Of Intake Manifold Tube
    GM1335575Courtesy of GENERAL MOTORS CORP.
  3. Install the air inlet tube and NEW gaskets.
    Fig 2: Air Inlet Tube
    GM1602060Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  4. Install the air inlet tube nuts.

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

  5. Connect the intake air heater electrical connector.
  6. Connect the MAP sensor electrical connector.
  7. Install the engine harness clip to the air inlet tube.
  8. Install the air inlet tube to intake manifold tube bolt and nut.
    Fig 3: Installing Air Inlet Tube
    GM1602059Courtesy of GENERAL MOTORS CORP.

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

  9. Install the electrical harness bolts.
    Fig 4: Installing Electrical Harness Bolts
    GM1602057Courtesy of GENERAL MOTORS CORP.

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

  10. Install a NEW quick connect fitting clip to the charged air cooler duct.
  11. Install the charged air cooler outlet duct to the intake.
    Fig 5: Charged Air Cooler Outlet Duct
    GM1653035Courtesy of GENERAL MOTORS CORP.
  12. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  13. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .
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