Mitsubishi Grandis. Manual — part 333
REAR BLOWER MOTOR AND REAR POWER TRANSISTOR
HEATER, AIR CONDITIONER AND VENTILATION
55-217
REAR BLOWER MOTOR AND REAR POWER TRANSISTOR
REMOVAL AND INSTALLATION
M1554015500027
INSPECTION
M1554011900045
REAR BLOWER MOTOR INSPECTION
<VEHICLES WITH REAR HEATER, REAR
COOLER OR DUAL AUTOMATIC A/C>
Pre-removal and Post-installation Operation
• Third seat assembly Removal and Installation (Refer to
GROUP 52A, Third Seat Assembly
.)
• Quarter trim lower, quarter trim upper Removal and
Installation (Refer to GROUP 52A, Interior Trim
AC302929
1
2
AC
Rear power transistor removal
step
1.
Rear power transistor <Vehicles
with rear heater, rear cooler or dual
automatic A/C>
Rear blower motor removal
steps
•
Rear floor duct A <Vehicles with
rear heater or rear A/C> (Refer to
2.
Rear blower motor <Vehicles with
rear heater, rear cooler or dual
automatic A/C>
AC303108
2
1
COMPRESSOR ASSEMBLY
HEATER, AIR CONDITIONER AND VENTILATION
55-218
Check that the motor turns when applying battery
power between the connector terminals. Also check
to see that there is no abnormal sound emitted from
the motor at this time.
COMPRESSOR ASSEMBLY
REMOVAL AND INSTALLATION
M1552004400183
Pre-removal Operation
• Refrigerant Discharging (Refer to
• Front Under Cover Panel Assembly
Post-installation Operation
• Refrigerant Charging (Refer to
• Drive Belt Tension Adjustment (Refer to GROUP 11A,
On-vehicles Service
− Drive Belt Tension Check
• Front Under Cover Panel Assembly
AC303224
3
6
5
3
2
1
4
AB
3
N
N
24 ± 4 N·m
24 ± 4 N·m
1, 2
A/C compressor oil:
SUN PAG 56
-Pipe coupling
Removal steps
<<A>>
1.
Flexible suction hose connection
<<A>>
2.
Flexible discharge hose connection
3.
O ring
<<B>>
4.
Drive belt
<<C>>
>>A<<
5.
A/C compressor assembly
6.
A/C compressor bracket
Removal steps (Continued)
COMPRESSOR ASSEMBLY
HEATER, AIR CONDITIONER AND VENTILATION
55-219
REMOVAL SERVICE POINTS
<<A>> FLEXIBLE SUCTION HOSE AND
FLEXIBLE DISCHARGE HOSE
DISCONNECTION
CAUTION
Use the plug which is not breathable because
A/C compressor oil or receiver have high
hygroscopicity.
Plug the hose nipple removed to prevent the entry of
dust and dirt.
<<B>> DRIVE BELT REMOVAL
The following operations will be needed due to the
introduction of the serpentine drive system with the
drive belt auto-tensioner.
1. Securely insert the spindle handle or ratchet
handle with a 12.7 mm insertion angle into the jig
hole of the auto-tensioner.
2. Rotate the auto-tensioner anti-clockwise and align
hole A with hole B.
CAUTION
To reuse the drive belt, draw an arrow indicating
the rotating direction (clockwise) on the back of
the belt using chalk, etc.
3. Insert an L-shaped hexagon wrench, etc. into the
hole to fix and then remove the drive belt.
<<C>> COMPRESSOR REMOVAL
Be careful not to spill the A/C compressor oil and
remove the A/C compressor.
INSTALLATION SERVICE POINT
>>A<< A/C COMPRESSOR
INSTALLATION
When installing the new A/C compressor, install the
A/C compressor after adjusting the oil volume as
follows.
1. Measure the oil of A/C compressor removed. (X
cm
3
)
2. Drain the oil (Y cm
3
) given by the following
expression from a new A/C compressor, and then
install the A/C compressor.
160 cm
3
- X cm
3
= Y cm
3
NOTE:
.
1. 160 cm
3
shows the oil volume contained in
the new A/C compressor.
2. Y cm
3
shows the oil volume stored in the
refrigerant line, condenser, and cooling unit,
etc.
INSPECTION
M1552004500209
CHECK THE MAGNETIC CLUTCH FOR
A/C COMPRESSOR
Connect the connector battery to positive battery
terminal in the A/C compressor, and then earth the
battery (
−) terminal to the A/C compressor itself. At
this time, check that the magnetic clutch operating
sound can be heard.
AC301703
AC301704AB
Hole A
Auto-tensioner
Hole B
AC301705AB
L-shaped
hexagon
wrench
Auto-tensioner
AC302964
COMPRESSOR ASSEMBLY
HEATER, AIR CONDITIONER AND VENTILATION
55-220
DISASSEMBLY AND REASSEMBLY
M1552004600530
DISASSEMBLY SERVICE POINT
<<A>> SELF-LOCKING NUT REMOVAL
Use the special tools to remove the self-locking nut.
• Special spanner (MB991367)
• Pin (MB991386)
AC302963
3
10
4
5
6
7
8
9
1
2
AB
16 ± 1 N·m
N
Cooling temperature switch
disassembly steps
1.
Snap ring
2.
Refrigerant temperature switch
Magnetic clutch disassembly
>>D<<
•
Air gap adjustment
<<A>>
>>C<<
3.
Self-locking nut
4.
Armature
>>B<<
5.
Snap ring
6.
Rotor
7.
Snap ring
>>A<<
8.
A/C compressor coil
9.
Shim
10. A/C compressor
AC208431AB
MB991386
MB991367
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