Housing Assembly HVAC: Service and Repair

HEATER/VENT MODULE REPLACEMENT (I)

REMOVAL PROCEDURE
1. Drain the coolant.
2. Remove the instrument panel storage compartment.
3. Disconnect the electrical connectors, as necessary.
4. Remove the center floor air distribution duct.
5. Remove the hinge pillar trim panels.
6. Remove the blower motor cover.
7. Remove the blower motor.
8. Remove the steering column.
9. Roll back the instrument panel.
10. Remove the coolant recovery reservoir.
11. Remove the heater hoses.




12. While holding the HVAC module to the cowl, remove the screw on the interior side of the cowl, near the evaporator pipe, if equipped




13. On the engine side of the cowl, remove the 4 screws that hold the HVAC module to the cowl.
14. On the engine side of the cowl, remove the 2 nuts that hold the HVAC module to the cowl.
15. Remove the HVAC module.

INSTALLATION PROCEDURE




1. Install the HVAC module.
2. On the engine side of the cowl, install the nuts that hold the HVAC module to the cowl.
3. On the engine side of the cowl, install the 4 screws that hold the HVAC module to the cowl.




4. On the interior side of the cowl, install the bolt.

NOTE: Refer to Fastener Notice in Service Precautions.

5. Tighten the following fasteners:

Tighten
- Tighten the screws on the engine side of the cowl to 1.9 N.m (17 lb in).
- Tighten the two nuts to 2.8 N.m (25 lb in).
- Tighten the bolt on the interior side of the cowl to 11 N.m (97 lb in).

6. Install the heater hoses.
7. Install the coolant recovery reservoir.
8. Roll forward the instrument panel.
9. Install the steering column.
10. Install the blower motor.
11. Install the blower motor cover.
12. Install the hinge pillar trim panels.
13. Install the center floor air distribution duct.
14. Connect the electrical connectors, as necessary.
15. Install the instrument panel storage compartment.
16. Add the engine coolant. Refer to Draining and Filling Cooling System in Cooling System.
17. Inspect the system for leaks.