2001 NISSAN X-TRAIL Service Repair Manual

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NISSAN X-TRAIL 2001 Service Repair Manual REFRIGERANT LINES
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Break-In Operation
When replacing compressor clutch assembly, always carry out the break-in operation. This is done by engag-
ing and disengaging

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NISSAN X-TRAIL 2001 Service Repair Manual ATC-142
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Removal and Installation for High-pressure flexible hose
EJS000VC
REMOVAL
1. Using the recycling and recovery equipment (for HFC-134a),
discharge the refrigerant from

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NISSAN X-TRAIL 2001 Service Repair Manual REFRIGERANT LINES
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Removal and Installation for Refrigerant Pressure SensorEJS00288
1. Use refrigerant collecting equipment (for HFC-134a) to discharge refrigerant.

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NISSAN X-TRAIL 2001 Service Repair Manual ATC-144
REFRIGERANT LINES
4. Disconnect the refrigerant pressure sensor connector (For QR
engine) or dual-pressure switch connector (For YD engine).
5. Remove the front grille and radiator moun

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NISSAN X-TRAIL 2001 Service Repair Manual REFRIGERANT LINES
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Removal and Installation for EvaporatorEJS000VG
REMOVAL
1. Using the recycling and recovery equipment (for HFC134a), dis-
charge the refrigerant f

Page 3422 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual ATC-146
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Removal and Installation for Expansion Valve
EJS0028B
1. Use the refrigerant collecting equipment (for HFC-134a) to dis-
charge the refrigerant.
2. Disconnect the l

ATC-146
REFRIGERANT LINES
Removal and Installation for Expansion Valve
EJS0028B
1. Use the refrigerant collecting equipment (for HFC-134a) to dis-
charge the refrigerant.
2. Disconnect the low-pressure flexible hose and high-pressure
pipe from the evaporator.
CAUTION:
Cap or wrap the joint of the low-pressure flexible hose and
the high-pressure pipe with a suitable tool such as a vinyl
tape to avoid the entry of air.
3. Remove the expansion valve cover.
4. Remove the expansion valve.
Removal and Installation for Liquid TankEJS0028C
REMOVAL
1. Remove the condenser. Refer to ATC-143, "Removal and Instal-
lation for Condenser" .
2. Remove the liquid tank.
CAUTION:
Cap or wrap the joint of the condenser pipe with a suitable tool
such as a vinyl tape to avoid the entry of air.
INSTALLATION
CAUTION:
●Replace the O-rings of the condenser pipe with new ones, then apply compressor oil to them after
installing them.
●When pouring refrigerant, check for leaks.
Checking for Refrigerant LeaksEJS000VJ
Perform a visual inspection of all refrigeration parts, fittings, hoses and components for signs of A/C lubricant
leakage, damage and corrosion. A/C lubricant leakage may indicate an area of refrigerant leakage. Allow
extra inspection time in these areas when using either an electronic refrigerant leak detector or fluorescent
dye leak detector.
If dye is observed, confirm the leak with an electronic refrigerant leak detector. It is possible a prior leak was
repaired and not properly cleaned.
When searching for leaks, do not stop when one leak is found but continue to check for additional leaks at all
system components and connections.
When searching for refrigerant leaks using an electronic leak detector, move the probe along the suspected
leak area at 1 to 2 inches per second and no further than 1/4 inch from the component.
CAUTION:
Moving the electronic leak detector probe slower and closer to the suspected leak area will improve
the chances of finding a leak.Expansion valve mounting bolts
Tightening torque :3.0 - 4.4 N·m (0.30 - 0.45 kg·m, 26 - 39 in-lb)
RJIA0083E
RJIA0743E
Condenser pipe mounting bolt
Tightening torque :3.5 - 5.9 N·m (0.35 - 0.60 kg·m, 30 - 52 in-lb)

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Checking System for Leaks Using the Fluorescent Leak DetectorEJS000VK
1. Check A/C system for leaks using the UV lamp and safety goggles (J-42220)

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Checking System for Leaks Using the Fluorescent Leak DetectorEJS000VK
1. Check A/C system for leaks using the UV lamp and safety goggles (J-42220) in a low sunlight area (area
without windows preferable). Illuminate all components, fittings and lines. The dye will appear as a bright
green/yellow area at the point of leakage. Fluorescent dye observed at the evaporator drain opening indi-
cates an evaporator core assembly (tubes, core or expansion valve) leak.
2. If the suspected area is difficult to see, use an adjustable mirror or wipe the area with a clean shop rag or
cloth, with the UV lamp for dye residue.
3. After the leak is repaired, remove any residual dye using dye cleaner (J-43872) to prevent future misdiag-
nosis.
4. Perform a system performance check and verify the leak repair with an approved electronic refrigerant
leak detector.
NOTE:
Other gases in the work area or substances on the A/C components, for example, anti-freeze, windshield
washer fluid, solvents and lubricants, may falsely trigger the leak detector. Make sure the surfaces to be
checked are clean.
Clean with a dry cloth or blow off with shop air.
Do not allow the sensor tip of the detector to contact with any substance. This can also cause false readings
and may damage the detector.
Dye InjectionEJS000VL
(This procedure is only necessary when recharging the system or when the compressor has seized and was
replaced.)
1. Check A/C system static (at rest) pressure. Pressure must be at least 345 kPa (50 psi).
2. Pour one bottle (1/4 ounce / 7.4 cc) of the A/C refrigerant dye into the injector tool (J-41459).
3. Connect the injector tool to the A/C LOW PRESSURE side service fitting.
4. Start engine and switch A/C ON.
5. When the A/C operating (compressor running), inject one bottle (1/4 ounce / 7.4 cc) of fluorescent dye
through the low-pressure service valve using dye injector tool J-41459 (refer to the manufacture's operat-
ing instructions).
6. With the engine still running, disconnect the injector tool from the service fitting.
CAUTION:
Be careful the A/C system or replacing a component, pour the dye directly into the open system con-
nection and proceed with the service procedures.
7. Operate the A/C system for a minimum of 20 minutes to mix the dye with the system oil. Depending on the
leak size, operating conditions and location of the leak, it may take from minutes to days for the dye to
penetrate a leak and become visible.
Electronic Refrigerant Leak DetectorEJS000VM
PRECAUTIONS FOR HANDLING LEAK DETECTOR
When performing a refrigerant leak check, use an A/C leak detector
or equivalent. Ensure that the instrument is calibrated and set prop-
erly per the operating instructions.
The leak detector is a delicate device. In order to use the leak detec-
tor properly, read the operating instructions and perform any speci-
fied maintenance.
SHA705EB

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NISSAN X-TRAIL 2001 Service Repair Manual ATC-148
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1. Position probe approximately 5 mm (3/16 in) away from point to
be checked.
2. When testing, circle each fitting completely with probe.
3. Move probe along component approx

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