Tools Required

1. Drain the engine coolant. Refer to Cooling System Draining and Filling.
2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
3. Remove the instrument panel (I/P) carrier. Refer to Instrument Panel Carrier Replacement.
4. Reposition the heater hose clamps using J 43181 .
5. Disconnect the heater hoses from the heater core.



6. Remove the retaining nut (3) from the accumulator (6) at the evaporator (1).
7. Disconnect the accumulator (6) from the evaporator (1).
8. Disconnect the evaporator tube (4) from the evaporator (1).
9. Disconnect all of the electrical connectors to the HVAC module assembly.
10. Remove the HVAC module assembly.

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



4. Connect the heater hoses to the heater core.
5. Connect the evaporator tube (4) to the evaporator (1).
6. Install the accumulator (6) to the evaporator (1).

Notice: Refer to Fastener Notice in the Preface section.

7. Tighten the accumulator retaining nut.

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

8. Install the I/P carrier. Refer to Instrument Panel Carrier Replacement.
9. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
10. Leak test the fittings of the components using the J 39400-A .
11. Refill the engine coolant. Refer to Cooling System Draining and Filling.