Table of contents: Removal ↓ Installation ↓
Removal
1. Using special equipment, discharge the refrigerant circuit.
2. Drain the engine coolant.
3. Loosen the bolt (1) securing the pipeline bracket, and then disconnect the high (B) and low (A) pressure pipelines from the expansion valve, as shown in the figure.
Caution: Seal the low pressure pipe connector 1 and the low pressure pipe 2 with a suitable material (for example, with vinyl tape) to prevent atmospheric moisture from entering the air conditioning system circuit.
4. Remove clamps (A) and (B), then disconnect heater hoses (1) and (2).
5. Remove the instrument panel.
6. Remove the body control unit (BCM):
- Loosen the mounting screws.
- Disconnect the wire connectors.
7. Disconnect the heater connectors (3) and remove the connector bracket.
8. Disconnect the fan motor connector.
9. Remove the control cable holders (1) and (2) from the air conditioning unit.
10. Remove the right footwell air duct.
11. Remove the power steering control unit.
12. Disconnect the connectors of the intake flap motor and ventilation motor.
13. Remove the central air duct.
14. Disconnect the ventilation intake motor connector and remove the wire fastening clamps.
15. Remove the instrument panel pillar (1).
16. Loosen the fastening nuts (2).
17. Remove the heater drain hose.
18. Unscrew the lower bolts securing the air conditioning unit on the right side.
Note: Tightening torques for bolts (A) and (B): 6.9 Nm.
19. Loosen the upper mounting bolts of the air conditioning unit.
20. Remove the high and low pressure pipes.
21. Remove the main wiring harness clamps from the instrument panel crossmember.
22. Loosen the instrument panel crossbar mounting bolts. Disconnect the electrical wiring retaining clips.
Note: Two workers are required to remove the air conditioning unit.
23. Remove the air conditioning unit assembly.
Installation
Installation is performed in the reverse order of removal.
Attention.
- Replace the sealing rings of the steep section of the low and high pressure pipelines with new ones. Apply compression oil to them before installation.
- The female parts of the pipeline connectors are thin and easily deformed, so the male part of the pipeline connector must be inserted slowly in a strictly axial direction.
- Insert the pipes until you hear a click.
- After completing the connection of the pipes, pull the connector by hand to ensure that the connection is secure.
- When filling the air conditioning system with refrigerant, check the tightness of the system.