Remove NISSAN TIIDA 2011 Service Repair Manual

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1. Use the recovery/recycling equipment to evacuate the refrigerant. Refer to MTC-74, "HFC-134a (R-134a)
Service Procedure".
2. Disconnect the low-pressure flexible hose nut (A) and high-pres- sure flexible hose bolt (B) and remove the hoses from compres-
sor.
CAUTION:
Cap or wrap the joint of co mpressor, low-pressure flexible
hose and high-pressure flexible hose with suitable material
such as vinyl tape to avoid the entry of air.
3. Disconnect the compressor harness connector (C)
4. Remove the engine undercover, using power tools.
5. Remove the A/C drive belt. Refer to EM-14, "
Removal and Installation".
6. Remove the bolts (A) from the compressor (1), using power tools.
7. Remove the compressor (1) downward from the engine com- partment.
INSPECTION FOR CLUTCH DISC TO PULLEY CLEARANCE
1. Check the clearance around the entire periphery of the clutch
disc and pulley using a suitable tool as shown.
2. If specified clearance is not obtained, replace compressor.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
• Replace O-rings of low-pressure flexible hose and high-pressure flexible hose with new ones, and
apply compressor oil when installing.
• When recharging refrigerant, check for leaks. Refer to MTC-92, "
Checking of Refrigerant Leaks".
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Clutch disc to pulley clearance : 0.3 - 0.6 mm
(0.012 - 0.024 in)
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Removal and Installation of Compressor - MR18DE
INFOID:0000000005930873
MR18DE
REMOVAL
1. Use the recovery/recycling equipment to evacuate the refrigerant. Refer to MTC-74, "HFC-134a (R-134a)
Service Procedure".
2. Remove the nut (A) for the low-pressure flexible hose (1) and the bolt (B) for the high-pressure flexible hose (2) and remove
the hoses from the compressor.
CAUTION:
Cap or wrap the joint of co mpressor, low-pressure flexible
hose and high-pressure flexibl e hose with suitable material
such as vinyl tape to avoid the entry of air.
3. Remove the engine undercover, using power tools.
4. Remove A/C compressor belt. Refer to EM-132, "
Removal and Installation".
5. Disconnect compressor connector.
6. Remove bolts (A) from compressor (1), using power tools.
7. Remove compressor (1) downward from the engine compart- ment.
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INSPECTION FOR CLUTCH DISC TO PULLEY CLEARANCE
1. Check the clearance (B) around the entire periphery of the clutch disc (1) and pulley (2) usi ng a suitable tool (A) as shown.
2. If specified clearance (B) is not obtained, replace compressor.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
• Replace O-rings of low-pressure flexible hose and high-pressure flexible hose with a new ones, and
apply compressor oil when installing.
• When recharging refrigerant, check for leaks. Refer to MTC-92, "
Checking of Refrigerant Leaks".
Removal and Installation for Compressor Clutch - Type 1INFOID:0000000005930874
REMOVAL
1. Remove the compressor. Refer to MTC-78, "Removal and Installation of Compressor - HR16DE".
2. Remove the center bolt by holding the clutch disc steady using Tool.
3. Remove the clutch disc and shim(s). CAUTION:
Retain shim(s) for installation.
4. Remove the snap ring using external snap ring pliers.
5. Remove the pulley assembly using suitable tool (A). CAUTION:
To prevent deformation of the pulley groove, the puller
claws should be hooked under (not into) the pulley groove.
Clutch disc to pulley clearance (B) : 0.3 - 0.6 mm
(0.012 - 0.024 in)
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Tool number : (J-44614)
WHA228
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6. Remove the magnet coil snap ring (A) using a suitable tool.Then remove the magnet coil (1) from compressor shaft.
INSPECTION AFTER REMOVAL
Clutch Disc
If the contact surface shows signs of damage due to excessive heat, replace clutch disc and pulley.
Pulley
Check the appearance of the pulley assembly. If the cont act surface of the pulley shows signs of excessive
grooving, replace the clutch disc and pulley. The contact surfaces of the pulley assembly should be cleaned
with a suitable solvent before installation.
Coil
Check the magnet coil for a loose connection or cracked insulation.
INSTALLATION
1. Install the magnet coil.
CAUTION:
Be sure to align the magnet coil pin with the hole in the
compressor front head.
2. Install the magnet coil (1) on the compressor shaft with the snap ring (A) using suitable tool.
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3. Install the pulley assembly using Tool and a wrench, and then install the snap ring using snap ring pliers.
4. Install the clutch disc on the drive shaft, together with the original shim(s). Press the clutch disc down using the drive plate
installer.
5. Install the center bolt using Tool. • After tightening the center bolt to specification, check that thepulley rotates smoothly.
INSPECTION OF CLUTCH DISC TO PULLEY CLEARANCE
1. Check the clearance around the entire periphery of the clutch
disc.
2. If specified clearance is not obt ained, replace compressor clutch.
BREAK-IN OPERATION
When replacing compressor clutch assembly, always conduct the break-in operation. This is done by engag-
ing and disengaging the clutch about 30 times. Break-in operation raises the level of transmitted torque.
Removal and Installation for Compressor Clutch - Type 2INFOID:0000000005930875
REMOVAL
1. Remove the compressor. Refer to MTC-80, "Removal and Installation of Compressor - MR18DE".
Tool number : — (J-38873-A)
WJIA1016E
WHA184
Center bolt : 12 N·m (1.2 kg-m, 9 ft-lb).
Tool number : (J-44614)
WHA229
Clutch disc to
pulley clearance
: 0.3 - 0.6 mm (0.012 - 0.024 in)
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2. Remove the three rubber plugs (1) from the clutch disc (2). Toease removal, apply some light lubricant to the three rubber
plugs (1).
NOTE:
The three rubber plug holes are used for attaching the suitable
tool when removing and installing the center bolt.
3. Remove the center bolt by holding the clutch disc steady using a suitable tool (A).
4. Remove the clutch disc and shim(s).
5. Remove the snap ring using external snap ring pliers.
6. Remove the pulley assembly using suitable tool (A). CAUTION:
To prevent deformation of th e pulley groove, the puller
claws should be ho oked under (not into) the pulley groove.
7. Remove the magnet coil snap ring (A) using a suitable tool. Then remove the magnet coil (1) from compressor shaft.
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2. Remove engine cover (MR18DE only).
3. Remove cowl top cover. Refer to EI-24, "
Removal and Installation".
4. Remove lower dash insulator.
5. Remove ground wire harness (1).
6. Remove bolt (A) and nut (B) from low-pressure flexible hose (2) bracket.
7. Remove bolt (A), and then disconnect low-pressure flexible hose (1) and high-pressure pipe (2).
CAUTION:
Cap or wrap the joint of the pi pe with suitable material such
as vinyl tape to avoid the entry of air.
8. Remove nut (A), and then remove low-pressure flexible hose (1) from compressor (2).
CAUTION:
Cap or wrap the joint of the pi pe with suitable material such
as vinyl tape to avoid the entry of air.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
• Replace O-rings for A/C piping with new on es, and apply compressor oil when installing.
• When recharging refrigerant, check for leaks.
Removal and Installation of High-Pressure Flexible HoseINFOID:0000000005930877
REMOVAL
1. Use the recovery/recycling equipment to evacuate the refrigerant.
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2. Remove high-pressure flexible hose (1) bolt (A) from condenser(2).
3. Remove bolt (A), and then remove high-pressure flexible hose (1) from compressor (2).
CAUTION:
Cap or wrap the joint of the pi pe with suitable material such
as vinyl tape to avoid the entry of air.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
• Replace O-rings of high-pressure flexible hose with a new ones, and apply compressor oil when
installing.
• When recharging refrigerant, check for leaks.
Removal and Installation of High-Pressure PipeINFOID:0000000005930878
REMOVAL
1. Remove low-pressure flexible hose. Refer to MTC-86, "Removal and Installation of Low-Pressure Flexible
Hose".
2. Remove high-pressure pipe from the clips.
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1. High-pressure pipe A. High-pressure pipe clips
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3. Remove high-pressure pipe bolt (A), and then remove high- pressure pipe (1) from condenser (2).
CAUTION:
Cap or wrap the joint of the pi pe with suitable material such
as vinyl tape to avoid the entry of air.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
• Replace O-rings of high-pressure pipe with a new ones, and apply compr essor oil when installing.
• When recharging refrigerant, check for leaks.
Removal and Installation of Refrigerant Pressure SensorINFOID:0000000005930879
REMOVAL
1. Use the recovery/recycling equipment to evacuate the refrigerant.
2. Disconnect connector, and then remove refrigerant pressure
sensor (1) from condenser (2).
CAUTION:
When working, be careful not to damage the condenser
fins.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
• Replace O-rings of refrigerant pressure senso r with a new one, and apply compressor oil when
installing.
• When recharging refrigerant, check for leaks.
Removal and Installation of CondenserINFOID:0000000005930880
REMOVAL
1. Remove the three upper headlamp bolts to reposition the headlamps out of the way.
2. Remove the radiator core support upper. Refer to BL-19, "
Removal and Installation".
3. Remove high-pressure flexible hose and high-pressure pipe from condenser. Refer to MTC-87, "
Removal
and Installation of High-Pressure Flexible Hose" and MTC-88, "Removal and Installation of High-Pressure
Pipe".
CAUTION:
Cap or wrap the joint of the pipe with suitable ma terial such as vinyl tape to avoid the entry of air.
4. Disconnect refrigerant pr essure sensor connector.
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5. Tilt radiator toward rear of vehicle, and then remove condenser(1) from between radiator and radiator core support upper.
CAUTION:
Be careful not to damage the core surface of condenser and
radiator.
NOTE:
MR18DE shown, HR16DE similar.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
• Replace O-rings for A/C piping with new ones, and apply compressor oil when installing.
• When recharging refrigerant, check for leaks.
Removal and Installation of Liquid TankINFOID:0000000005930881
REMOVAL
1. Remove the condenser. Refer to MTC-89, "Removal and Installation of Condenser".
2. Clean liquid tank and its surrounding area, and remove dirt and rust from liquid tank. CAUTION:
Be sure to clean carefully.
3. Remove bolts (A) and (B) from liquid tank.
4. Remove liquid tank bracket (1) from protruding part of con- denser (2).
5. Slide liquid tank (3) upward, and then remove liquid tank (3).
INSTALLATION
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