NISSAN TIIDA 2009 Service Repair Manual

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MR18DE - Type 2

Precaution for Refrigerant Connection " .
Removal and Installation of Compressor - HR16DE INFOID:0000000004800722
HR16DE
REMOVAL

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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-15, " 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 refrigeran t, check for leaks. Refer to MTC-86, " Checking of Refrigerant Leaks " .

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-136, " 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. SJIA0672E

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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 refrigeran t, check for leaks. Refer to MTC-86, " Checking of Refrigerant Leaks " .
Removal and Installation of Low-Pressure Flexible Hose INFOID:0000000004307092
REMOVAL 1. Use the recovery/recycling equipment to evacuate the refrigerant.
2. Remove engine cover (MR18DE only).
3. Remove cowl top cover. Refer to EI-22, " 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. Clutch disc to pulley clearance (B) : 0.3 - 0.6 mm
(0.012 - 0.024 in)

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Removal and Installation of High-Pressure Pipe
INFOID:0000000004307094
REMOVAL 1. Remove low-pressure flexible hose. Refer to MTC-81, " Removal and Installation of Low-Pressure Flexible
Hose " .
2. Remove high-pressure pipe from the clips.
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 ne w ones, and apply compressor oil when installing.
• When recharging refrigerant, check for leaks.
Removal and Installation of Refrigerant Pressure Sensor INFOID:0000000004307095
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. 1. High-pressure pipe A. High-pressure pipe clips

Removal and Installation " .
3. Remove high-pressure flexible hose and high-pressure pipe from condenser. Refer to MTC-82, " Removal
and Installation of High-Pressure Flexible Hose " and
MTC-83, " 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 pressure sensor connector.
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 Tank INFOID:0000000004307097
REMOVAL
1. Remove the condenser. Refer to MTC-84, " 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. ZJIA0842J

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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 Installation is in the reverse order of removal.
CAUTION:
• Make sure liquid tank bracket (2) is securely installed at pro-
trusion of condenser (3). [Make sure liquid tank bracket (2)
does not move to a position belo w center of liquid tank (1).]
• Replace O-rings for A/C piping with new ones, and apply com-
pressor oil when installing.
• When recharging refrigerant, check for leaks. Refer to MTC-86, " Checking of Refrigerant Leaks " .
Removal and Installation of Evaporator INFOID:0000000004307098
REMOVAL 1. Remove A/C unit assembly. Refer to MTC-58, " Removal and Installation " .
CAUTION:
Cap or wrap the joint of the pipe with suitable ma terial such as vinyl tape to avoid the entry of air.
2. Remove air conditioner filter. Refer to MTC-68, " Removal and Installation " .
3. Remove foot duct (right). Refer to MTC-69, " Removal and Installation " .
4. Remove screws (A), and then remove expansion valve cover (1).
5. Remove screws (A), and then remove evaporator cover (1). RJIA3879J