Evaporator Case: Service and Repair

2013 GMC Terrain AWD L4-2.4LSECTION Service and Repair



Air Conditioning (A/C) Evaporator Case Assembly Replacement

Removal Procedure





1. Remove the HVAC module. Refer to Heater and Air Conditioning Evaporator and Blower Module Replacement Service and Repair.





2. Remove the heater core cover screws from the evaporator case assembly.

3. Remove the heater core cover from the evaporator case assembly.





4. Remove the heater core from the HVAC module.





5. Remove the evaporator case assembly screws from the blower case assembly.

6. Remove the evaporator case assembly from the blower case assembly.

Installation Procedure





1. Install evaporator case assembly to the blower case assembly.

Caution:
Refer to Fastener Caution Fastener Caution.

2. Install evaporator case assembly screws to the blower case assembly.

Tighten the screws to 1.5 Nm (13 lb in).





3. Install heater core to the HVAC module.





4. Install heater core cover.

5. Install heater core cover screws.

Tighten the screws to 1.5 Nm (13 lb in).





6. Install the HVAC module. Refer to Heater and Air Conditioning Evaporator and Blower Module Replacement Service and Repair.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.