Removal and Installation

A/C UNIT ASSEMBLY

Removal and Installation


CAUTION:
- Perform oil return operation before each refrigeration system disassembly. However, if a large amount of refrigerant or oil is detected, do not perform oil return operation. Refer to "Perform Oil Return Operation" Perform Oil Return Operation.
- When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.

REMOVAL

1.Use refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to "Recycle Refrigerant" Recycle Refrigerant.
2.Drain engine coolant from cooling system. Refer to "Draining Engine Coolant" Draining Engine Coolant.
3.Remove low-pressure flexible hose and high-pressure pipe. Refer to "Removal and Installation" Low-Pressure Flexible Hose
and "Removal and Installation" High-Pressure Pipe (if equipped).

CAUTION:
Cap or wrap the joint of the A/C piping and expansion valve with suitable material such as vinyl tape to avoid the entry of air.
4.Remove clamps and disconnect heater hoses from A/C unit assembly (if equipped).
5.Remove the instrument panel assembly. Refer to "Removal and Installation" Removal And Installation.
6.Disconnect drain hose from A/C unit assembly.
7.Disconnect the necessary harness connectors and clips required to remove the steering member.
- Position the vehicle harness as necessary.
8.Remove the BCM screws.
9.Remove the J/B screws.
10.Remove ground bolts.
11.Remove the bolts, steering member and A/C unit assembly.
12.Remove bolts and A/C unit assembly from the steering member.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:
- Do not reuse O-rings.
- Apply A/C oil to the O-rings of the low-pressure flexible hose and high pressure flexible pipe for installation.
- After charging the refrigerant, check for leaks. Refer to "Leak Test" Leak Test.
NOTE:
Refer to "Refilling Engine Coolant" Refilling Engine Coolant when filling radiator with engine coolant.