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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 677 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Door Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the heater/vent module. Refer to Heater/Vent Module Replacement .
  2. Remove the heater/vent module screws.
  3. Separate the heater/vent module.
  4. Remove the mode actuator (3).
  5. Remove the mode actuator cam assembly (4).
  6. Remove the heater door cam assembly (5).
  7. Remove the heater door (6).
    Fig 1: Heater Door
    G01666622Courtesy of GENERAL MOTORS CORP.
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