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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1151 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Defroster Door Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: The defroster door must be closed to allow clearance during defroster duct removal.
  1. Set the HVAC controls in the vent setting to close the defroster door.
  2. Remove the I/P carrier. Refer to Instrument Panel (I/P) Carrier Replacement in Instrument Panel, Gages and Console.
  3. Fig 1: View Of HVAC Module Mounting Brackets
    GM828096Courtesy of GENERAL MOTORS CORP.
  4. Remove the left HVAC module mounting bracket from the HVAC module assembly.
  5. Remove the right HVAC module mounting bracket from the HVAC module assembly.
  6. Fig 2: Identifying Secondary Defroster Door Lever
    GM860400Courtesy of GENERAL MOTORS CORP.
  7. Disconnect the secondary defroster door lever from the secondary defroster door.
  8. Fig 3: Locating Defroster Door Spring & Defroster Door Lever
    GM860412Courtesy of GENERAL MOTORS CORP.
  9. Disconnect the defroster door spring (1) from the air distribution cover.
  10. Disconnect and remove the defroster door lever (2) and defroster door spring (1) from the defroster door.
  11. Fig 4: View Of Air Distribution Cover Screws
    GM860404Courtesy of GENERAL MOTORS CORP.
  12. Remove the air distribution cover screws.
  13. Remove the air distribution cover.
  14. Fig 5: Identifying Defroster Door
    GM860406Courtesy of GENERAL MOTORS CORP.
  15. Remove the defroster door.