Nissan Altima 2007-2012 Service Manual: Refrigeration system

Component

1. Heater and cooling unit assembly

2. High-pressure pipe

3. High-pressure A/C service valve

4. Junction pipe

5. High-pressure flexible hose

6. Condenser and liquid tank

7. Air deflector RH (QR25DE shown, VQ35DE similar)

8. Air deflector LH (QR25DE shown, VQ35DE similar)

9. Refrigerant pressure sensor

10. Low-pressure flexible hose

11. Low-pressure A/C service valve

12. Low-pressure pipe

13. Compreesor (QR25DE)

14. Compressor (VQ35DE)

A. High-pressure pipe to heater and cooling unit assembly

B. high-pressure flexible hose to compressor

C. low-pressure flexible hose to compressor

NOTE: Refer to HA-5, "Precaution for Refrigerant Connection".

HFC-134a (R-134a) Service Procedure

SETTING OF SERVICE TOOLS AND EQUIPMENT

WARNING: Avoid breathing the A/C refrigerant and oil vapor or mist. Exposure may irritate eyes, nose, and throat.

Remove the HFC-134a (R-134a) from the A/C system using certified service equipment meeting the requirements of SAE J2210 (R-134a recycling equipment) or SAE J2201 (R-134a recovery equipment).

If an accidental system discharge occurs, ventilate the work area before resuming service. Additional health and safety information may be obtained from the refrigerant and oil manufacturers.

Discharging Refrigerant

Evacuating System and Charging Refrigerant

Discharging, Evacuating, and Recharging the A/C System

*1 HA-21, "Maintenance of Oil Quantity in Compressor"

*2 HA-25, "Checking of Refrigerant Leaks"

*3 HA-25, "Checking of Refrigerant Leaks"

*4 HAC-5, "Operational Check"

*5 HA-4, "Contaminated Refrigerant"

    On-vehicle repair
    ...

    Compressor
    Removal and Installation for Compressor - QR25DE Models REMOVAL 1. Discharge the refrigerant. Refer to HA-24, "HFC-134a (R-134a) Service Procedure". 2. Remove the drive belt. Refer ...

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