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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 >> Mode Door Replacement - Secondary (Dual Zone) >> Installation Procedure

Installation 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.
    Fig 1: View Of Secondary Mode Door
    GM868074Courtesy of GENERAL MOTORS CORP.
  1. Install the secondary mode door.
    2. Fig 2: Identifying Secondary Mode Door Lever
    GM867766Courtesy of GENERAL MOTORS CORP.
  2. Connect the secondary mode door lever to the secondary mode door.
    3. Fig 3: Locating Right Hand Mode Door Lever
    GM867765Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Align the pin on the right hand mode door lever with the slot on the secondary mode door lever.
  3. Connect the right hand mode door lever to the mode door.
    4. Fig 4: Locating Right Hand Air Temperature Mounting Bracket Screws
    GM868233Courtesy of GENERAL MOTORS CORP.
  4. Install the right hand air temperature mounting bracket.
    5. NOTE: Refer to Fastener Notice in Cautions and Notices.
  5. Install the right hand air temperature mounting bracket screws.

    Tighten:  Tighten the screws to 0.9 N.m (8 lb in).

  6. Install the right hand air temperature actuator. Refer to Air Temperature Actuator Replacement - Right in HVAC Systems - Manual or Air Temperature Actuator Replacement - Right in HVAC Systems - Automatic.
  7. Install the heater core cover. Refer to Heater Core Cover Replacement .
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