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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 >> Installation Procedure

Installation 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. Install the heater door.
    2. Fig 1: HVAC Module Case Seals
    GM296249Courtesy of GENERAL MOTORS CORP.
  2. Install a new case seal (2).
    3. Fig 2: View Of Upper & Lower HVAC Module Assembly Case
    GM295357Courtesy of GENERAL MOTORS CORP.
  3. Align and attach the HVAC case halves (1).
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the HVAC case retaining screws.

    Tighten:  Tighten the screws to 1.6 N.m (14 lb in).

  5. Install the heater door linkage.
  6. Install the defroster actuator. Refer to Defroster Actuator Replacement .
  7. Install the HVAC module. Refer to HVAC Module Assembly Replacement .
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