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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 >> Air Distribution Ducts Replacement - Auxiliary (Upper) >> 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: Rear Ducting Views
    GM735895Courtesy of GENERAL MOTORS CORP.
  1. Install the lower air distribution duct (5) to the C-pillar.
  2. Install the lower air distribution duct retaining screw (4).
    3. NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Tighten the lower air distribution duct retaining screw.

    Tighten:  Tighten the screw to 1.9 N.m (17 lb in).

  4. Install the upper air distribution duct (6) to the C-pillar.
  5. Install the upper air distribution duct retaining screw (7).

    Tighten:  Tighten the screw to 1.9 N.m (17 lb in).

  6. Install the headliner. Refer to Headliner Replacement (TrailBlazer, Envoy, Bravada) or Headliner Replacement (TrailBlazer EXT, Envoy XL) or Headliner Replacement (Envoy XUV) in Interior Trim.
  7. Install the right rear quarter trim. Refer to Trim Panel Replacement - Rear Quarter - Right (TrailBlazer, Envoy, Bravada) or Trim Panel Replacement - Rear Quarter - Right (TrailBlazer EXT, Envoy XL) in Interior Trim.
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