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Home >> GMC >> 2004 >> Sierra 2500 HD, 2D Pickup, 6.6 1, RWD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.6L (Lb7) (Introduction) >> Repair Instructions >> Air Intake Pipe Replacement >> Removal Procedure

Removal Procedure

  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  2. Remove the glow plug relay. Refer to Glow Plug Relay Replacement (Federal Emissions)  or Glow Plug Relay Replacement (California Emissions) .
  3. Remove positive crankcase ventilation (PCV) valve hose.
  4. Remove the air intake pipe to turbocharger bolts.
  5. Remove the air intake pipe (1) from the turbocharger (3).
    6. Fig 1: Air Intake Pipe & Turbocharger
    GM741011Courtesy of GENERAL MOTORS CORP.
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