Nissan Versa
Sedan Service Manual
Ventilation, heater & air conditioner » Heater & air conditioning system (HA)
A/C Unit assembly

Exploded View

Exploded View

1. Cap 2. Steering member 3. Cap 4. Bracket 5. A/C unit assembly Pawl

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 HA "Perform Oil Return Operation".

NOTE: When removing components such as hoses, tubes/lines, etc., cap or plug openings to prevent fluid from spilling.

REMOVAL

Use refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to HA "Recycle Refrigerant".
Drain engine coolant from cooling system. Refer to CO"Draining Engine Coolant".
Remove low-pressure flexible hose and high-pressure pipe. Refer to HA "Removal and Installation" and HA "Removal and Installation" (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.
Remove clamps and disconnect heater hoses from A/C unit assembly (if equipped).
Remove the instrument panel assembly. Refer to IP "Removal and Installation".
Disconnect drain hose from A/C unit assembly.
Disconnect the necessary harness connectors and clips required to remove the steering member. Position the vehicle harness as necessary.
Remove the BCM screws.
Remove the J/B screws.
Remove ground bolts.
Remove the bolts, steering member and A/C unit assembly.
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 HA "Leak Test".

NOTE: Refer to CO "Refilling Engine Coolant" when filling radiator with engine coolant.

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