Mitsubishi Evolution X. Manual — part 893
AC705202 AB
MB991705
MD998330
ON-VEHICLE SERVICE
TSB Revision
REAR AXLE
27-33
5. Disconnect the hydraulic unit and the AYC pressure tube
assembly, connect the special tools MB991705, MD998330
to LH side port, put the lid to RH side port or connect the
AYC pressure tube disconnected.
6. Using the scan tool, forcibly activate the hydraulic unit (item
No. 06). (Refer to GROUP 22A
− Actuator Test
Table
NOTE:
.
•
Forced activation (left clutch operation mode) is contin-
ued for 1 minutes, and then the operation is canceled
automatically. Also, using the clear key on the scan tool,
the activation can be forcibly canceled.
•
When the functions are suspended by the fail-safe func-
tion, the hydraulic unit cannot be forcibly activated.
CAUTION
While the oil pressure is checked, add fluid as necessary
to ensure that it is left in the oil reservoir during the entire
procedure.
7. Check that the generated oil pressure of the hydraulic unit
satisfies the standard value.
Standard value: 0.9
− 1.1 MPa (130 − 159 psi)
8. Check the oil pressure of the clutch right side following step
4 through 6. Connect the special tool to RH side port, put the
lid to LH side port or connect AYC pressure tube assembly
disconnected.
9. Using the scan tool, forcibly activate the hydraulic unit (item
No. 07). (Refer to GROUP 22A
− Actuator Test
Table
10.If the measured value exceeds the standard value, replace
the hydraulic unit.
11.Connect the hydraulic unit and AYC pressure tube
assembly, and tighten them to the specified torque.
Tightening torque: 26
± 4 N⋅ m (19 ± 3 ft-lb)
12.Connect the AYC differential torque transfer mechanism and
AYC pressure tube assembly, and tighten them to the
specified torque.
Tightening torque: 21
± 3 N⋅ m (16 ± 2 ft-lb)
13.Perform the AYC air bleeding. (Refer to
WHEEL BEARING END PLAY CHECK
M1271000900894
1. Remove the rear brake disk. (Refer to GROUP36, Parking
Brake Lining and Drum
AC710610 AB
ON-VEHICLE SERVICE
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REAR AXLE
27-34
2. Set a dial gauge as shown in the figure. Move the rear wheel
hub assembly in the axial direction and measure the
looseness.
Limit: 0.05 mm (0.002 inch)
3. When the looseness exceeds the limit value, replace the
rear wheel hub assembly. (Refer to
.)
4. After checking, install the rear brake disk. (Refer to
GROUP36, Parking Brake Lining and Drum
HUB BOLT REPLACEMENT
M1271001000548
Required Special Tools:
• MB990767: Front Hub and Flange Yoke Holder
• MB991618: Hub Bolt Remover
1. Remove the rear brake disk. (Refer to GROUP 36, Parking
Brake Lining and Drum
AC302114
MB991618
AB
Hub bolt
2. Use special tool MB991618 to remove the hub bolts.
AC205872
MB990767
AE
Plain
washer
3. Install the plain washer to the new hub bolt, and install the
bolt with a nut while holding the hub with special tool
MB990767.
4. Install the rear brake disk. (Refer to GROUP 36, Parking
Brake Lining and Drum
AYC DIFFERENTIAL CARRIER OIL SEAL
REPLACEMENT
M1272001300133
DIFFERENTIAL MECHANISM PART
Required Special Tools:
• MB991245: Lower arm bush ring
1. Remove the driveshaft. (Refer to
2. Remove the AYC differential carrier oil seal.
AC708667
AC
MB991245
ON-VEHICLE SERVICE
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REAR AXLE
27-35
3. Use special tool MB991245 to press-fit a new oil seal.
4. Apply multi-purpose grease to the oil seal lip and driveshaft
oil seal seating area.
5. Replace the driveshaft circlip with a new one, and install the
driveshaft to the differential carrier. (Refer to
TORQUE TRANSFER MECHANISM PART
Required Special Tools:
• MB990938: Installer bar
• MB991551: Bearing outer race installer
1. Remove the driveshaft. (Refer to
2. Remove the AYC differential carrier oil seal.
AC708666
AC
MB991551
MB990938
3. Use the special tools MB990938 and MB991551 to press-fit
a new oil seal.
4. Apply specified grease to the oil seal lip and driveshaft oil
seal seating area.
Specified grease: Vaseline
REAR AXLE HUB ASSEMBLY
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REAR AXLE
27-36
REAR AXLE HUB ASSEMBLY
REMOVAL AND INSTALLATION
M1271002000972
CAUTION
• Do not disassemble the rear wheel hub assembly.
• The magnetic encoder collects metallic particles easily, because it is magnetized. Make sure that
the magnetic encoder should not collect metallic particles. Check that there is not any trouble
prior to reassembling it.
• When the rear wheel hub assembly is removed/installed, make sure that the magnetic encoder
(integrated with inner oil seal) does not contact with surrounding parts to avoid damage.
• When removing and installing the rear wheel speed sensor, make sure that its sensor head at the
end does not contact with surrounding parts to avoid damage.
• During maintenance, take care not to contact the parts or tools to the caliper because the paint of
caliper will be scratched. And if there is brake fluid on the caliper, wipe off quickly.
•
AC705223
2
3
4
5
6
AB
1
N
7
N
N
144 176 N·m
107 129 ft-lb
95 ± 14 N·m
70 ± 10 ft-lb
8.5 ± 1.5 N·m
76 ±13 in-lb
11 ± 2 N·m
98 ± 17 in-lb
Removal steps
1. Cotter pin
<<
A
>>
>>
A
<<
2. Rear driveshaft nut
>>
A
<<
3. Washer
4. Rear wheel speed sensor and
brake hose fixing bolt
5. Rear wheel speed sensor
6. Rear brake disk (Refer to GROUP
36, Parking Brake Lining and
Drum
.)
<<
B
>>
7. Rear wheel hub assembly
The part indicated with * is the bolt with friction coefficient stabilizer. In removal, replace it with a
new one.
Removal steps (Continued)
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