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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1233 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Air Temperature Door Replacement - Left >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the HVAC module assembly. Refer to HVAC Module Assembly Replacement  .
  2. Remove the screws retaining the left air temperature actuator.
  3. Remove the left air temperature actuator.
  4. Remove the screws retaining the right air temperature actuator.
  5. Remove the right air temperature actuator.
  6. Remove the air inlet housing retaining screws (1).
  7. Remove the air inlet housing (2).
  8. Remove the HVAC module assembly upper mounting screws.
    Fig 1: Removing Air Inlet Housing & Retaining Screws
    G01482145Courtesy of GENERAL MOTORS CORP.
  9. Release the retaining tab (1) securing the HVAC module assembly halves.
  10. Separate the upper and lower module halves.
    Fig 2: Separating Upper & Lower Module Halves
    G01482146Courtesy of GENERAL MOTORS CORP.
  11. Remove the HVAC module seal that is located between the upper and lower cases.

    Start to remove the HVAC module case seal (blower motor side of case) seal (2) from the lower module case at the position shown (1).

    Fig 3: Removing HVAC Module Case Seal
    G01482147Courtesy of GENERAL MOTORS CORP.

    Important:  The left and right air temperature doors separate in the center.

  12. Carefully pull the air temperature doors apart in the center to remove the air temperature door from the HVAC module case.

    Remove the air temperature doors (1, 2).

Fig 4: Removing Air Temperature Doors
G01482148Courtesy of GENERAL MOTORS CORP.
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