Preliminary Procedure

1. Remove the auxiliary HVAC heater core. Refer to Auxiliary Heater Core Replacement .
2. Disconnect any wiring connectors.
3. Invert the auxiliary HVAC module to access components.
4. Separate the auxiliary HVAC case. Refer to Auxiliary Air Conditioning Evaporator and Blower Case Replacement - Outboard .

1

Auxiliary Temperature Valve

Procedure

1. Note the location and routing of the wiring harness to ensure proper reinstallation.
2. When replacing the HVAC case, transfer all necessary components.