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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1448 (HVAC Systems - General Servicing) >> Repair Instructions >> HVAC Module Pass Thru Seal Replacement - Auxiliary >> Installation Procedure

Installation Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Auxiliary HVAC Pass Thru Seal
    GM816352Courtesy of GENERAL MOTORS CORP.
  1. Install the HVAC pass thru seal (3) to the HVAC module-auxiliary (1).
  2. Install the heater core cover-auxiliary.
    3. NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the screws to the heater core cover-auxiliary.

    Tighten:  Tighten the screws to 1.9 N.m (18 lb in).

  4. Install the HVAC Module-Auxiliary. Refer to HVAC Module Replacement - Auxiliary .
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