Tools Required

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
2. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
3. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 3.1L or to Air Cleaner Assembly Replacement in Engine Cooling - 3.8L
4. Remove the fuel injector sight shield (3.8L only). Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical-3.8L.
5. Drain the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.
6. Remove the instrument panel (IP) trim pad. Refer to Instrument Panel Trim Pad Replacement .
7. Remove the passenger side SIR inflator module. Refer to Inflatable Restraint Instrument Panel Module Replacement in SIR.



8. Remove the screw from the right and left side air distribution duct.
9. Remove the right and left side air distribution duct.



10. Unclip the fuse block and position aside.
11. Remove the two screws below the fuse block that hold the main harness connector to the cross vehicle beam.
12. Remove the brake pedal. Refer to Brake Pedal Replacement in Hydraulic Brakes.
13. Remove the bolts from the steering column support bracket and remove the bracket.



14. Remove the retaining bolts and position the BCM bracket aside.
15. Release the wiring harness retaining clips from the cross vehicle beam and position the wiring harness out of the way.



16. Remove the retaining bolts from the center support bracket of the HVAC module.
17. Remove the center support bracket of the HVAC module .



18. Remove the retaining bolts from the upper support brackets of the HVAC module.



19. Remove the bolts which secure the left cross vehicle beam to the hinge pillar.



20. Remove the bolts which secure the right cross vehicle beam to the hinge pillar.



21. Remove the bolt (1) from the cross vehicle beam.
22. Remove the cross vehicle beam from the vehicle.



23. Remove the accumulator tube to evaporator core block fitting bolt.
24. Disconnect the accumulator tube from the evaporator.
25. Disconnect the evaporator tube from the evaporator.
26. Remove the O-rings seals and discard.



27. UseJ 38185 in order to position aside the heater hose inlet and outlet clamp at the heater core.
28. Disconnect the inlet and outlet heater hose from the heater core.
29. Disconnect the vacuum hoses from the HVAC module assembly.
30. Disconnect the electrical connectors from the HVAC module assembly.




Important: Position the heater core outlet cover downward and rearward in order to disconnect the cover from the rear area floor duct assembly.

31. Remove the cover screws from the heater core outlet.
32. Remove the cover from the heater core outlet.



33. Remove the evaporator drain elbow.



34. Remove the nuts which secure the HVAC control module to the dash.
35. Remove the HVAC control module.



36. Remove all of the seals (1,2,3) from the outer HVAC control module.

1. Install new seals (1,2,3) to the outer HVAC control module.
2. Install the HVAC control module to the vehicle.




Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

3. Install the nuts which secure the HVAC control module to the dash.

Tighten
Tighten the nuts to 10 N·m (89 lb in).




4. Install the evaporator drain elbow.
5. Connect the vacuum hoses to the HVAC module assembly.
6. Connect the electrical connectors to the HVAC module assembly.



7. Install the heater core outlet cover.
8. Install the cover screws to the heater core outlet.

Tighten
Tighten the screws to 1.5 N·m (13 lb in).




9. Install the cross vehicle beam to the vehicle.




Important:  Do NOT tighten the bolts at this time.

10. Install the bolts which secure the right cross vehicle beam to the hinge pillar.



11. Install the bolts which secure the left cross vehicle beam to the hinge pillar.

Tighten
Tighten the bolts to 20 (15 lb ft).




12. Install the bolt (1) to the cross vehicle beam.

Tighten
Tighten the bolt to 20 N·m (15 lb ft).




13. Install the bolts to the upper support brackets of the HVAC module.

Tighten
Tighten the bolts to 10 N·m (89 lb in).




14. Install the HVAC module center support bracket.
15. Install the bolts to the center support bracket of the HVAC module.

Tighten
Tighten the bolts to 10 N·m (89 lb in).

16. Install the instrument panel wiring harness on to the cross vehicle beam and secure the retaining clips.



17. Install the BCM bracket and bolts.

Tighten
Tighten the bolts to 10 N·m (89 lb in).




18. Install the fuse block to the holder.
19. Install the two screws below the fuse block that hold the main wiring harness connector to the cross vehicle beam.



20. Install the support bracket and bolts for the steering column.

Tighten
Tighten the bolts to 50 N·m (37 lb ft).

21. Install the brake pedal. Refer to Brake Pedal Replacement in Hydraulic Brakes.
22. Install the passenger side SIR inflator module. Refer to Inflatable Restraint Instrument Panel Module Replacement in SIR.



23. Install the right and left side air distribution duct
24. Install the screws to the right and left side air distribution duct.

Tighten
Tighten the screws to 1.5 N·m (13 lb in).

25. Install the IP trim pad. Refer to Instrument Panel Trim Pad Replacement .



26. Connect the inlet and outlet heater hose to the heater core.

Important: Reposition the heater core hose clamps in the indicated location.

27. UseJ 38185 in order to reposition the heater hose inlet and outlet clamp to the heater core.
28. Install the fuel injector sight shield (3.8L only). Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical-3.8L.
29. Fill the cooling system. Refer to Cooling System Draining and Filling in Engine Cooling.
30. Install new O-rings seals on the accumulator tube. Refer to O-Ring Replacement



31. Connect the evaporator tube to the evaporator.
32. Connect the accumulator tube to the evaporator.
33. Install the accumulator tube to evaporator core block fitting bolt.

Tighten
Tighten the screws to 16 N·m (12 lb ft).

34. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls - 3.1L or to Air Cleaner Assembly Replacement in Engine Controls - 3.8L.
35. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
36. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
37. Leak test the fittings of the component using J 39400-A .