GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 Escalade - 2WD 🢒 HVAC 🢒 Heating, Ventilation, and Air Conditioning 🢒 Air Conditioning Evaporator Core Replacement

Removal Procedure

    Object Number: 2008728 Size: SH
  1. Remove the HVAC module. Refer to HVAC Module Assembly Replacement .
  2. If equipped remove the heat stakes (1) from the HVAC module (2) with a screw driver and a hammer.
  3. Disconnect all wiring connections from blower motor, blower motor control module and sensors. Also, remove all wiring from retainers before removal.

    4. Object Number: 858910 Size: SH
  4. If equipped remove the screws from the HVAC module assembly.
  5. Remove the evaporator cowl gasket from the evaporator.
  6. Separate the upper HVAC module assembly (2) from the lower HVAC module assembly (1)

    7. Object Number: 858912 Size: SH
  7. Remove the evaporator core (1) from the upper HVAC module assembly (2).

Installation Procedure

    Important: If replacing the evaporator core, add the refrigerant oil to the evaporator core. Refer to Refrigerant System Capacities .


    Object Number: 858912 Size: SH
  1. Install the evaporator core (1) to the HVAC module assembly (2).

    2. Object Number: 858910 Size: SH
  2. Install the upper HVAC module assembly (2) from the lower HVAC module assembly (1)
  3. Install the evaporator cowl gasket to the evaporator.

    4. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the screws to the HVAC module assembly.

    5. Tighten
    Tighten the screws to 2 N·m (18 lb in).

  5. Install the HVAC module assembly. Refer to HVAC Module Assembly Replacement .