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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 866 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Mode Door Replacement - Secondary (Dual Zone) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the heater core cover. Refer to HEATER CORE COVER REPLACEMENT  .
  2. Remove the right hand air temperature actuator.

    Refer to AIR TEMPERATURE ACTUATOR REPLACEMENT - RIGHT or AIR TEMPERATURE ACTUATOR REPLACEMENT - RIGHT .

  3. Remove the right hand air temperature mounting bracket screws.
  4. Remove the right hand air temperature mounting bracket.
    Fig 1: Removing Mode Door Secondary (Dual Zone)
    G01499071Courtesy of GENERAL MOTORS CORP.
  5. Disconnect and remove the right hand mode door lever from the mode door.
    Fig 2: Disconnecting And Remove Right Hand Mode Door Lever
    G01499072Courtesy of GENERAL MOTORS CORP.
  6. Disconnect and remove the secondary mode door lever from the secondary mode door.
    Fig 3: Removing Secondary Door Lever
    G01499073Courtesy of GENERAL MOTORS CORP.
  7. Remove the secondary mode door from the HVAC module.
    Fig 4: Removing Secondary Mode Door
    G01499074Courtesy of GENERAL MOTORS CORP.
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