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Home >> Cadillac >> 2018 >> CT6 Plug-In >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating System, Ventilation System, And Air Conditioning System >> Repair Instructions >> Air Distributor Case Replacement >> Installation Procedure

Installation Procedure

  1. GM4278586Courtesy of GENERAL MOTORS COMPANY

    Air Distributor Case (1) - Install

  2. GM4278580Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Heater and Air Conditioning Evaporator and Blower Upper Case Screw (2) - Install and tighten to 2.5 N.m (22 lb in) [2x]

  3. GM4278585Courtesy of GENERAL MOTORS COMPANY

    Retainer Clip (1) - Install [2x]

  4. GM4278583Courtesy of GENERAL MOTORS COMPANY

    Retainer Clip (1) - Install [2x]

  5. GM4260828Courtesy of GENERAL MOTORS COMPANY

    Heater Core (3) - Install - Heater Core Replacement 

  6. Air Conditioning Wiring Harness @ Air Distributor Case - Install
  7. GM4579193Courtesy of GENERAL MOTORS COMPANY

    Heater and Air Conditioning Evaporator and Blower Module (1) - Install - Heater and Air Conditioning Evaporator and Blower Module Removal and Installation (With Out HP9 Hybrid) Heater and Air Conditioning Evaporator and Blower Module Removal and Installation (With HP9 Hybrid) 

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