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HVAC Module Assembly Replacement (Heating Only)

HVAC MODULE ASSEMBLY REPLACEMENT (HEATING ONLY)

TOOLS REQUIRED
- J 43181 Heater Line Quick Connect Release Tool
- J 39400-A Halogen Leak Detector

REMOVAL PROCEDURE
1. Drain the engine coolant. Refer to Draining and Filling Cooling System in Cooling System.
2. Remove the instrument panel (I/P) carrier.




3. Release the heater hose clamps using J 43181.
4. Disconnect the heater hose quick connects (2) and (3) from the heater core.
5. Disconnect all of the electrical connectors to the HVAC module assembly.
6. Remove the HVAC module retaining nuts from the cowl.
7. Remove the HVAC module assembly.

INSTALLATION PROCEDURE
1. Install the HVAC module assembly.
2. Install the HVAC module retaining nuts to the cowl.

NOTE: Refer to Fastener Notice in Service Precautions.

3. Tighten the HVAC module retaining nuts.

Tighten
Tighten the nut to 4.5 N.m (40 lb in).




4. If replacing the HVAC module assembly (8), transfer the components from the old HVAC module assembly, as necessary.
5. Install the HVAC module assembly (8).
6. Connect all of the electrical connectors to the HVAC module assembly.




7. Connect the heater hose quick connects (2) and (3) to the heater core.
8. Install the I/P carrier.
9. Leak test the fittings of the components using the J 39400-A.
10. Refill the engine coolant. Refer to Draining and Filling Cooling System in Cooling System.
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