Nissan Altima L32. Instruction — part 803
HA-32
< ON-VEHICLE REPAIR >
REFRIGERATION SYSTEM
NOTE:
HA-5, "Precaution for Refrigerant Connection"
HFC-134a (R-134a) Service Procedure
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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
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 com-
pressor
C.
low-pressure flexible hose to com-
pressor
WJIA0614E
REFRIGERATION SYSTEM
HA-33
< ON-VEHICLE REPAIR >
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Evacuating System and Charging Refrigerant
WJIA0615E
HA-34
< ON-VEHICLE REPAIR >
REFRIGERATION SYSTEM
Discharging, Evacuating, and Recharging the A/C System
WJIA1923E
*1
HA-21, "Maintenance of Oil Quantity
in Compressor"
*3
HA-25, "Checking of Refrigerant
Leaks"
*5
HA-4, "Contaminated Refrigerant"
*2
HA-25, "Checking of Refrigerant
Leaks"
*4
COMPRESSOR
HA-35
< ON-VEHICLE REPAIR >
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D
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COMPRESSOR
Removal and Installation for Compressor - QR25DE Models
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REMOVAL
1. Discharge the refrigerant. Refer to
HA-24, "HFC-134a (R-134a) Service Procedure"
.
2. Remove the drive belt. Refer to
EM-16, "Removal and Installation"
.
3. Remove the engine undercover.
4. Remove the front RH wheel and tire.
5. Remove the side cover from inside the front RH wheel well.
6. Remove the clip and reposition the power steering pipe out of the way.
7. Disconnect the compressor connector.
8. Disconnect the high-pressure flexible hose and low-pressure flexible hose from the compressor.
CAUTION:
Cap or wrap the joint of the hose with a suitable material such as vinyl tape to avoid the entry of
any contaminants.
9. Remove the compressor bolts, then remove the compressor using power tools.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
• Replace the O-ring of the low-pressure flexible hose and high-pressure flexible hose with new ones,
then apply A/C oil to them for installation.
• After charging the A/C refrigerant, check for leaks. Refer to
HA-25, "Checking of Refrigerant Leaks"
.
WJIA0182E
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