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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1546 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Heater Door Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the HVAC module. Refer to HVAC Module Assembly Replacement .
  2. Remove the defroster actuator tie strap.
  3. Remove the defroster actuator. Refer to Defroster Actuator Replacement .
  4. Remove the heater door linkage.
    5. Fig 1: View Of Upper & Lower HVAC Module Assembly Case
    GM295357Courtesy of GENERAL MOTORS CORP.
  5. Remove the HVAC case retaining screws.
  6. Separate the HVAC case halves (1).
    7. Fig 2: HVAC Module Case Seals
    GM296249Courtesy of GENERAL MOTORS CORP.
  7. Remove and discard the case seal (2).
  8. Remove the heater door.
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