Nissan Pathfinder. Manual — part 679
OIL
HA-27
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8. Measure an amount of new oil equal to the amount recovered during discharging. Add this oil to “new”
compressor through the suction port opening.
HA-28
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PERFORMANCE TEST
PERFORMANCE TEST
Inspection
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INSPECTION PROCEDURE
1. Connect recovery/recycling/recharging equipment (for HFC-134a) or manifold gauge.
2. Start the engine, and set to the following condition.
Test condition
3. Maintain test condition until A/C system becomes stable. (Approximately 10 minutes)
4. Check that test results of “recirculating-to-discharge air temperature” and “ambient air temperature-to-
operating pressure” are within the specified value.
5. When test results are within the specified value, inspection is complete.
If any of test result is out of the specified value, perform diagnosis by gauge pressure. Refer to
.
RECIRCULATING-TO-DISCHARGE AIR TEMPERATURE TABLE
AMBIENT AIR TEMPERATURE-TO-OPERATING PRESSURE TABLE
Surrounding condition
Indoors or in the shade (in a well-ventilated place)
Vehicle condition
Door
Closed
Door glass
Full open
Hood
Open
Engine speed
Idle speed
A/C condition
Temperature control switch or dial
Full cold
A/C switch
ON
Air outlet
VENT (ventilation)
Intake door position
Recirculation
Fan (blower) speed
Maximum speed set
Inside air (Recirculating air) at blower assembly inlet
Discharge air temperature from center ventilator
°C (°F)
Relative humidity
%
Air temperature
°C (°F)
50 – 60
20 (68)
4.7 – 6.7 (40 – 44)
25 (77)
8.6 – 11.1 (47 – 52)
30 (86)
12.6 – 15.6 (55 – 60)
35 (95)
19.0 – 22.5 (66 – 73)
60 – 70
20 (68)
6.7 – 8.7 (44 – 48)
25 (77)
11.1 – 13.6 (52 – 56)
30 (86)
15.6 – 18.6 (60 – 65)
35 (95)
22.5 – 26.0 (73 – 79)
PERFORMANCE TEST
HA-29
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Fresh air
High-pressure (Discharge side)
kPa (kg/cm
2
, psi)
Low-pressure (Suction side)
kPa (kg/cm
2
, psi)
Relative humidity
%
Air temperature
°C (°F)
50 – 70
25 (77)
909 – 1,112
(9.2 – 11.3, 131.8 – 161.2)
159 – 194
(1.6 – 2.0, 23.1 – 28.1)
30 (86)
1,073 -– 1,312
(10.9 – 13.4, 155.6 – 190.2)
211 – 259
(2.2 – 2.6, 30.6 – 37.6)
35 (95)
1,445 – 1,766
(14.7 – 18.0, 209.5 – 256.1)
247 – 300
(2.5 – 3.1, 35.8 – 43.5)
40 (104)
1,650 – 2,017
(16.8 – 20.6, 239.3 – 292.5)
290 – 355
(3.0 – 3.6, 42.1 – 51.5)
HA-30
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COMPRESSOR
REMOVAL AND INSTALLATION
COMPRESSOR
Exploded View
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Compressor
Magnet Clutch Assembly
COMPRESSOR
COMPRESSOR : Removal and Installation
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REMOVAL
ALIIA0544GB
1-4: Tighten bolts in order shown
5. Compressor
AWIIA1697ZZ
1. Magnet clutch assembly
2. Clutch disc
3. Shim
4. Snap ring
5. Pulley
6. Magnet coil
7. Compressor
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