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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 222 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Core Replacement - Auxiliary >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the auxiliary HVAC module. Refer to HVAC Module Replacement - Auxiliary .
    2. Fig 1: Locating Auxiliary Heater Pipe Clamp
    GM882447Courtesy of GENERAL MOTORS CORP.
  2. Remove the auxiliary heater pipe clamp screw.
    3. Fig 2: View Of Auxiliary Heater Core
    GM882445Courtesy of GENERAL MOTORS CORP.
  3. Remove the auxiliary heater core mounting screws.
  4. Remove the auxiliary heater core from the HVAC module assembly.
    5. Fig 3: Locating Pipe Seal For Auxiliary Heater Core
    GM883985Courtesy of GENERAL MOTORS CORP.
  5. Remove the pipe seal from the auxiliary heater core.
  6. Remove the heater core mounting bracket from the auxiliary heater core.
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