Nissan Altima 2007-2012 Service Manual: Refrigeration system


1. Heater and cooling unit assembly

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


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

Evacuating System and Charging Refrigerant

Discharging, Evacuating, and Recharging the A/C System

Discharging, Evacuating, and Recharging the A/C System

*1 HA-21, "Maintenance of Oil Quantity

*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"

    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 ...

    Other materials:

    Control valve
    Exploded View COMPONENT PARTS LOCATION 1. Transaxle assembly 2. Control valve 3. Bracket 4. O-ring 5. Oil strainer assembly 6. Magnet 7. Oil pan bolt 8. Oil pan 9. Oil pan gasket 10. Lock nut 11. Washer 12. Manual plate 13. Collar 14. Lip seal 15. Snap ring A. CVT unit connector ...

    Exterior and interior lights
    *1 Always check with the Parts Department at a NISSAN dealer for the latest parts information. *2 See a NISSAN dealer for assistance. 1. Front map light 2. Headlamp assembly 3. Park/ Turn signal light 4. Fog light (if so equipped)/ Day time running light (Canada only) 5. Step light 6. ...

    P1572 ASCD brake switch
    Description When the brake pedal is depressed, ASCD brake switch is turned OFF and stop lamp switch is turned ON. ECM detects the state of the brake pedal by this input of two kinds (ON/OFF signal). Refer to EC-67, "System Description" for the ASCD function. DTC Logic DTC DET ...