Preliminary Procedure

1. Remove the auxiliary HVAC module. Refer to Auxiliary HVAC Module Replacement.
2. Disconnect any wiring connectors.
3. Invert the auxiliary HVAC module to access components.

1

Auxiliary Heater Core Bracket Screw (Qty: 6)

Caution: Refer to Fastener Caution in the Preface section.

Tighten
2 N·m (18 lb in)

2

Auxiliary Heater Core Tube Bracket

3

Auxiliary HVAC Module Lower Case Seal

4

Auxiliary A/C Evaporator Tube Bracket

5

Auxiliary Heater Core

Procedure

Slide the auxiliary heater core outward of the case for removal.

Tip
Ensure the heater core seals are secure upon installation.