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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1602 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Door Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 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: Remove Mode Actuator, Actuator Cam Assembly, Heater Door Cam Assembly & Heater Door
G01479184Courtesy of GENERAL MOTORS CORP.
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