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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Heating, Ventilation, And Air Conditioning System) >> Repair Instructions >> Heater Coolant Heater Combustion Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM1665679Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Component Fastener Tightening Caution .

    Install the heater coolant heater combustion sensor to the coolant heater and tighten to 2.5 N.m (22 lb in).

  2. Install the heater coolant heater combustion sensor wiring to the electrical connector.
  3. Install the heater coolant heater control unit. Refer to Heater Coolant Heater Control Replacement .
  4. Install the heater coolant heater. Refer to Heater Coolant Heater Replacement (LWN) .
  5. Lower the vehicle.
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