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Removal 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.
  1. Remove the evaporator core-auxiliary. Refer to Evaporator Core Replacement - Auxiliary .
    2. Fig 1: Locating Auxiliary HVAC Module Components
    GM819795Courtesy of GENERAL MOTORS CORP.
  2. Remove the HVAC module-auxiliary case sump (4) from the HVAC module.
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