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Home >> GMC >> 2001 >> Sierra 2500 HD, 2D Pickup, 6.6 1, 4WD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.6L - Repair Instructions >> Repair Instructions >> Air Intake Pipe Replacement >> Removal Procedure

Removal Procedure

    Fig 1: Upper Intake Manifold Sight Shield
    GM658266Courtesy of GENERAL MOTORS COMPANY
  1. Remove the upper intake manifold sight shield using the following procedure:
    1. Remove the retaining bolt in the front of the shield.
    2. Lift up on the front of the shield.
    3. Lift the shield off the rear bracket.
  2. Remove the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement .
  3. Remove glow plus relax assembly. Refer to Glow Plug Relay Replacement (California) , Glow Plug Relay Replacement (Federal) .
  4. Remove PCV valve hose.
    5. Fig 2: Air Intake Pipe & Turbocharger
    GM741011Courtesy of GENERAL MOTORS COMPANY
  5. Remove the 3 bolts connecting the air intake pipe to the turbocharger.
  6. Remove the air intake pipe (1) from the turbocharger (3).
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