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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1709 (HVAC Systems - Troubleshooting) >> Repair Instructions >> HVAC Module Case Sump Replacement - Auxiliary >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the evaporator core-auxiliary. Refer to Evaporator Core Replacement - Auxiliary .
    2. Fig 1: Auxiliary HVAC System Components
    GM819795Courtesy of GENERAL MOTORS CORP.
  2. Remove the HVAC module-auxiliary case sump (4) from the HVAC module.
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