Housing Assembly HVAC: Service and Repair

A/C Module

Removal
1. Disconnect the negative battery cable.
2. Remove the instrument panel carrier assembly.
3. Drain the cooling system.
4. Recover the refrigerant. Refer to V5 A/C System (Automatic Control Type) Description.




5. Remove the retaining nuts that secure the suction hose and the liquid evaporator pipe blocks at the fire wall.

6. Loosen the clamp bolts from the suction hose and the liquid evaporator pipe to allow movement of the hose and the pipe.
7. Remove the evaporator drain hose.
8. Compress the heater hose clamps at the fire wall and slide the clamps toward the engine.
9. Remove the 2 heater hoses from the core lines at the fire wall.




10. Remove the screws that secure the A/C module to the fire wall on either side of the heater hoses.
11. Remove the A/C module screw, that is located above the fuel filter, from the engine compartment side of the fire wall.




12. Have an assistant support the A/C module from inside the vehicle.
13. Remove the A/C module screws from the evaporator flange on the engine compartment side of the fire wall. The A/C module will start to drop.
14. Pull the case straight away from the fire wall.




15. Remove the A/C module from the vehicle.

Installation
1. Position the A/C module in the vehicle.

2. Slowly raise the A/C module into position and hold it against the fire wall while the screws are installed and tightened from the engine side of the fire wall.

CAUTION: To avoid damaging the heater core tubes, make sure they do not contact the fire wall opening.




3. Align and install the A/C module screws above the fuel filter and at the evaporator flange.

Tighten: Tighten the A/C module screws to 8 N.m (71 lb-in.).

4. Install the A/C module screws adjacent to the heater hoses.

Tighten: Tighten the A/C module screws to 8 N.m (71 lb-in.).




5. Install the evaporator drain hose.
6. Install the 2 heater hoses.
7. Slide the heater hose clamps into position.




8. Install the instrument panel carrier assembly.
9. Install new O-rings on the suction hose and the liquid evaporator pipe at the fire wall and put the pipes back in place.

10. Install the retaining nuts that secure the suction hose and the liquid evaporator pipe blocks at the fire wall.

Tighten: Tighten the suction hose and the liquid evaporator pipe retaining nuts to 10 N.m (89 lb-in.).

11. Fill the cooling system.
12. Recharge the A/C system. Refer to V5 A/C System (Automatic Control Type) Description.




13. Connect the negative battery cable.