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MR18DE - Type 2
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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 " .
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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