Nissan Versa (N17): A/C Unit assembly

Nissan Versa 2nd generation (N17) 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

  1. Use refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant. Refer to HA "Recycle Refrigerant".
  2. Drain engine coolant from cooling system. Refer to CO"Draining Engine Coolant".
  3. 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.

  4. Remove clamps and disconnect heater hoses from A/C unit assembly (if equipped).
  5. Remove the instrument panel assembly. Refer to IP "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 HA "Leak Test".

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

Refrigerant pressure sensor

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 retu ...

Evaporator

Removal and Installation REMOVAL Remove A/C unit assembly. Refer to HA "Removal and Installation". Disassemble A/C unit assembly and the evaporator assembly. Remove thermo control a ...

Other materials:

Cleaning interior
Occasionally remove loose dust from the interior trim, plastic parts and seats using a vacuum cleaner or soft bristled brush. Wipe the vinyl and leather surfaces with a clean, soft cloth dampened in mild soap solution, then wipe clean with a dry, soft cloth. Regular care and cleaning is requ ...

Service data and specifications (SDS)
Idle Speed    *: Under the following conditions A/C switch: OFF Electric load: OFF (Lights, heater fan & rear window defogger) Steering wheel: Kept in straight-ahead position Ignition Timing   *: Under the following conditions A/C switch: OFF Ele ...

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