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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 976 (Engine Controls - 6.6L (Lb7) (Introduction)) >> Repair Instructions >> Intake Air Heater (IAH) 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.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  1. Install the IAH.

    Tighten:  Tighten the IAH to 50 N.m (37 lb ft).

  2. Fig 1: Intake Air Heater
    GM798896Courtesy of GENERAL MOTORS CORP.
  3. Install the IAH wire.
  4. Install the IAH nut.

    Tighten:  Tighten the nut to 5 N.m (44 lb in).

  5. Install the upper intake manifold cover.
  6. Install the upper intake manifold cover to the outlet duct.
  7. Tighten the outlet duct clamp at the upper intake manifold cover.

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

  8. Fig 2: View Of Upper Intake Manifold Cover, Outlet Duct & Clamp
    GM813243Courtesy of GENERAL MOTORS CORP.