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Home >> GMC >> 2004 >> Sierra 2500 HD, 2D Pickup, 6.6 1, 4WD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.6L (Lb7) (Introduction) >> Repair Instructions >> Air Intake Pipe Replacement >> Installation Procedure

Installation Procedure

  1. Clean the mating surfaces on the air intake pipe (1) and the turbocharger (3).
    2. Fig 1: Air Intake Pipe & Turbocharger
    GM741011Courtesy of GENERAL MOTORS CORP.
  2. Align the air intake pipe to the turbocharger.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the air intake pipe bolts.

    Tighten:  Tighten the bolts to 10 N.m (89 lb in).

  4. Install PCV valve hose.
  5. Install glow plug relay. Refer to Glow Plug Relay Replacement (Federal Emissions)  or Glow Plug Relay Replacement (California Emissions) .
  6. Install air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
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