Mitsubishi Outlander GS45X. Manual — part 1513
27B-1
GROUP 27B
REAR AXLE <AWD>
CONTENTS
GENERAL INFORMATION . . . . . . . .
GENERAL SPECIFICATIONS . . . . . .
SERVICE SPECIFICATIONS. . . . . . .
LUBRICANTS . . . . . . . . . . . . . . . . . .
SEALANT AND ADHESIVE. . . . . . . .
COMPONENT IDENTIFICATION. . . .
REAR AXLE DIAGNOSIS . . . . . . . . .
INTRODUCTION. . . . . . . . . . . . . . . . . . . . .
TROUBLESHOOTING STRATEGY . . . . . .
SYMPTOM CHART. . . . . . . . . . . . . . . . . . .
SYMPTOM PROCEDURES . . . . . . . . . . . .
SPECIAL TOOLS. . . . . . . . . . . . . . . .
ON-VEHICLE SERVICE. . . . . . . . . . .
REAR AXLE TOTAL BACKLASH CHECK .
GEAR OIL LEVEL CHECK . . . . . . . . . . . . .
GEAR OIL REPLACEMENT . . . . . . . . . . . .
WHEEL BEARING END PLAY CHECK . . .
HUB BOLT REPLACEMENT. . . . . . . . . . . .
DIFFERENTIAL CARRIER OIL SEAL
REPLACEMENT . . . . . . . . . . . . . . . . . . . . .
REAR AXLE HUB ASSEMBLY . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . .
DRIVESHAFT ASSEMBLY. . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
DISASSEMBLY AND ASSEMBLY . . . . . . .
DIFFERENTIAL CARRIER
ASSEMBLY. . . . . . . . . . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . .
GENERAL INFORMATION
TSB Revision
REAR AXLE <AWD>
27B-2
GENERAL INFORMATION
M1271000101114
The rear axle has the following features.
• The wheel bearing is a unit ball bearing (dou-
ble-row angular contact ball bearing) which incor-
porates the oil seals and is highly resistant to a
thrust load.
• The number of parts has been reduced by inte-
grating the magnetic encoder for ABS wheel
speed detection into the wheel bearing.
• ETJ-type on the differential side and EUJ-type on
the hub side constant velocity joints are featured
in the driveshaft.
• Adoption of the electronic control AWD optimizes
the size of the driveshaft constant velocity joint
and achieves the weight saving.
• Adoption of the Super All Wheel Control (S-AWC)
<Vehicles with S-AWC>
• Lead-free grease for the constant velocity joint
has been adopted.
• Hexavalent chromium has been eliminated from
the dust cover material.
• The electronic control coupling installed in front of
the differential, which transfers the drive force to
the rear wheels by pushing the clutch in accord-
ing to the strength of the magnetic attraction gen-
erated by the magnetic coil (For more details,
refer to Electronic Control AWD).
• Aluminum differential carrier is used for weight
saving.
• Optimization of the hypoid gear ratio reduces the
torque loss.
• Adoption of the hypoid gear with the same teeth
height realizes the downsizing and increases the
strength of the coupling.
NOTE:
.
EUJ (High Efficiency Compact Undercut Joint): The
lighter and smaller constant velocity joint com-
pared with the conventional BJ has been
achieved by adopting the eight small balls.
ETJ (High Efficiency Compact Tripod Joint): The
lighter and smaller constant velocity joint com-
pared with the conventional TJ has been
installed.
For the Super All Wheel Control (S-AWC), refer to
GROUP 23
−
Super All Wheel Control (S-AWC)
−
Information of construction and operation.
.
GENERAL INFORMATION
TSB Revision
REAR AXLE <AWD>
27B-3
CONSTRUCTION DIAGRAM
AC703478AB
ETJ
EUJ
Magnetic
encoder
Oil seal
Rear hub
Equal altitude
toothed gear
Rear hub
Electronic control
coupling
Clutch
Electro
magnet
Differential
carrier
Driveshaft
Ball bearing
Bevel gear
Magnetic
encoder
Oil seal
Rear hub
Ball bearing
<2.4L Engine: 5 persons
seat>
<2.4L Engine: 7 persons seat,
3.0L Engine>
AC703479 AB
TJ
ETJ
BJ
EUJ
EUJ compared with BJ
ETJ compared with TJ
GENERAL SPECIFICATIONS
TSB Revision
REAR AXLE <AWD>
27B-4
GENERAL SPECIFICATIONS
M1271000200196
NOTE: *: Indicates the distance between the center
of each joint.
Item
Specification
Rear axle
Wheel bearing
Type
Unit ball bearing (double-row angular
contact ball bearing)
Driveshaft Joint
Type
Outer
EUJ
Inner
ETJ
Shaft length* x Shaft
diameter mm (in)
2.4L Engine: 5
persons seat
LH
496.0
× 23 (19.53 × 0.91)
RH
576.4
× 23 (22.69 × 0.91)
2.4L Engine: 7
persons seat,
3.0L Engine
LH
505.5
× 23 (19.90 × 0.91)
RH
586
× 23 (23.07 × 0.91)
Differential
Reduction gear type
Hypoid gear
Reduction ratio
2.352
Differential gear type (Type
× number of gears)
Side
gear
Straight bevel gear
× 2
Pinion
gear
Straight bevel gear
× 2
Number of teeth
Drive gear
40
Drive pinion
17
Side gear
14
Pinion gear
10
Bearings (Outside diameter
× Inside diameter) mm (in)
Side
72
× 35 (2.83 × 1.38)
Front
55
× 30 (2.17 × 1.18)
Rear
68
× 40 (2.68 × 1.57)
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