Mitsubishi Lancer (4A9 engine). Manual — part 307
COMPRESSOR ASSEMBLY
HEATER, AIR CONDITIONER AND VENTILATION
55A-109
COMPRESSOR ASSEMBLY
REMOVAL AND INSTALLATION <1600 (M/
T)>
M1552004403580
CAUTION
•
Pre-removal operation
• Discharging refrigerant (Refer to )
• Engine room under cover front A and B, Engine room side
cover removal (Refer to GROUP 51, Under Cover ).
• Drive belt removal (Refer to GROUP 11A Crankshaft Pul-
ley )
Post-installation Operation
• Drive belt installation (Refer to GROUP 11A Crankshaft
Pulley )
• Drive belt tension check and adjustment (Refer to
GROUP 11A
− Drive Belt Tension Check ). <Petrol
engine>
• Charging refrigerant (Refer to )
• Engine room under cover front A and B, Engine room side
cover installation (Refer to GROUP 51, Under Cover ).
ACB01639
1, 2
3
5
3
1
2
4
AB
3
N
N
10 ± 2 N·m
10 ± 2 N·m
23 ± 6 N·m
A/C compressor oil:
SUN PAG 56 or S10X
-Pipe coupling
23 ± 6 N·m
Removal steps
<<
A
>>
1.
Discharge flexible hose connection
<<
A
>>
2.
Suction flexible hose connection
3.
O-ring
<<
B
>>
>>
A
<<
4.
A/C compressor and clutch
assembly
5.
A/C compressor bracket
When removing the compressor, be careful not to subject the pulley and the clutch to impact.
NOTE: The service points which are not described
are the same as before.
REMOVAL SERVICE POINTS
<<A>> DISCHARGE FLEXIBLE HOSE/SUCTION
FLEXIBLE HOSE DISCONNECTION
CAUTION
Use the plug which is not breathable because A/
C compressor oil or receiver have high hygro-
scopicity.
Plug the hose nipple removed to prevent the entry of
dust and dirt.
<<B>> A/C COMPRESSOR AND CLUTCH
ASSEMBLY REMOVAL
Be careful not to spill the A/C compressor oil and
remove the A/C compressor.
COMPRESSOR ASSEMBLY
HEATER, AIR CONDITIONER AND VENTILATION
55A-110
INSTALLATION SERVICE POINT
>>A<< A/C COMPRESSOR AND CLUTCH
ASSEMBLY INSTALLATION
If a new compressor is installed, first adjust the
amount of oil according to the procedures described
below, and then install the compressor.
1. Measure the amount X mL of oil within the
removed compressor.
2. Drain (from the new compressor) the amount of
oil calculated according to the following formula,
and then install the new compressor.
New compressor oil amount = 60mL
60 mL
− X mL = Y mL
NOTE: Y mL indicates the amount of oil in the refrig-
erant line, the condenser, the evaporator, etc.
AC711141AD
1
2
3
A/C compressor and
clutch assembly
3. Tighten A/C compressor assembly mounting bolts
to the specified torque in the order of number
shown in the figure.
Tightening torque: 23
± 6 N⋅m
COMPRESSOR ASSEMBLY
HEATER, AIR CONDITIONER AND VENTILATION
55A-111
REMOVAL AND INSTALLATION <Except
1600 (M/T) >
M1552004403568
CAUTION
•
Pre-removal operation
• Discharging refrigerant (Refer to )
• Engine room under cover front A and B, Engine room side
cover removal (Refer to GROUP 51, Under Cover ).
• Drive belt removal (Refer to GROUP 11A Crankshaft Pul-
ley ) <Petrol engine>
• Drive belt removal (Refer to GROUP 11C, Crankshaft Pul-
ley ) <Diesel engine>
Post-installation Operation
• Drive belt installation (Refer to GROUP 11A Crankshaft
Pulley ) <Petrol engine>
• Drive belt installation (Refer to GROUP 11C Crankshaft
Pulley ) <Diesel engine>
• Drive belt tension check and adjustment (Refer to
GROUP 11A
− Drive Belt Tension Check ). <Petrol
engine>
• Drive belt tension check and adjustment (Refer to
GROUP 11C
− Drive Belt Tension Check ). <Diesel
engine>
• Charging refrigerant (Refer to )
• Engine room under cover front A and B, Engine room side
cover installation (Refer to GROUP 51, Under Cover ).
ACB01836
1, 2
3
A/C compressor oil:
SUN PAG 56 or S10X
-Pipe coupling
5
*1
5
*2
NOTE:
*1: <1800>
*2: <1800 (Petrol), 2000>
23 ± 6 N·m
23 ± 6 N·m
23 ± 6 N·m
3
1
2
4
AC
3
N
N
10 ± 2 N·m
10 ± 2 N·m
23 ± 6 N·m
Removal steps
<<
A
>>
1.
Discharge flexible hose connection
<<
A
>>
2.
Suction flexible hose connection
3.
O-ring
<<
B
>>
>>
A
<<
4.
A/C compressor and clutch
assembly
5.
A/C compressor bracket <Petrol>
When removing the compressor, be careful not to subject the pulley and the clutch to impact.
NOTE: The service points which are not described
are the same as before.
REMOVAL SERVICE POINTS
<<A>> DISCHARGE FLEXIBLE HOSE/SUCTION
FLEXIBLE HOSE DISCONNECTION
CAUTION
Use the plug which is not breathable because A/
C compressor oil or receiver have high hygro-
scopicity.
Plug the hose nipple removed to prevent the entry of
dust and dirt.
<<B>> A/C COMPRESSOR AND CLUTCH
ASSEMBLY REMOVAL
Be careful not to spill the A/C compressor oil and
remove the A/C compressor.
COMPRESSOR ASSEMBLY
HEATER, AIR CONDITIONER AND VENTILATION
55A-112
INSTALLATION SERVICE POINT
>>A<< A/C COMPRESSOR AND CLUTCH
ASSEMBLY INSTALLATION
If a new compressor is installed, first adjust the
amount of oil according to the procedures described
below, and then install the compressor.
1. Measure the amount X mL of oil within the
removed compressor.
2. Drain (from the new compressor) the amount of
oil calculated according to the following formula,
and then install the new compressor.
New compressor oil amount = 70mL
70 mL
− X mL = Y mL
NOTE: Y mL indicates the amount of oil in the refrig-
erant line, the condenser, the evaporator, etc.
AC711141AD
1
2
3
A/C compressor and
clutch assembly
3. Tighten A/C compressor assembly mounting bolts
to the specified torque in the order of number
shown in the figure.
Tightening torque: 23
± 6 N⋅m
INSPECTION
M1552004501451
CHECK THE MAGNETIC CLUTCH FOR A/
C COMPRESSOR
ACB02033AB
<1600 (M/T)>
AC809068
<Except 1600 (M/T) >
AH
Connect the connector battery to positive battery ter-
minal in the A/C compressor, and then earth the bat-
tery (
−) terminal to the A/C compressor itself. At this
time, check that the magnetic clutch operating sound
can be heard.
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