Mitsubishi Lancer Evolution 7. Manual — part 290
REAR AXLE -
Differential Carrier <Vehicles with mechanical LSD>
27B-45
"
BA DRIVE PINION REAR BEARING OUTER RACE
PRESS-FITTING
"
CA DRIVE PINION FRONT BEARING OUTER RACE
PRESS-FITTING
"
DA DRIVE PINION HEIGHT ADJUSTMENT
Adjust the drive pinion height by the following procedures:
1. Apply multipurpose grease to the washer of special tool.
2. Install special tool and drive pinion front and rear bearing
inner races to the gear carrier in the sequence shown
in the illustration.
3. Tighten the nut of special tool a little at a time while
measuring the turning torque of the drive pinion. Then
confirm the turning torque (without the oil seal) is at the
standard value.
Standard value:
Bearing type
Turning torque
New
0.88 - 1.17 N
·
m
Caution
Take care not to fit gear oil on the bearing.
NOTE
The special tool can not rotate, move several times in
moving area, after rotating the bearing, measure the
torque.
MB990938
MB990935
MB990938
MB990932
MB990836
(MB990835)
MB990836
MB990326
MB990685
MB990836
REAR AXLE -
Differential Carrier <Vehicles with mechanical LSD>
27B-46
4. Clean the side bearing hub.
5. Place special tool between the side bearing hub of the
gear carrier, and position the notch as shown in the
illustration. Then tighten side bearing mounting bolt.
6. Use a thickness gauge to measure the clearance (A)
between special tools.
7. Remove special tools (MB990835, MB990326).
8. Use a micrometer to measure the shown dimensions (B,
C) of special tools.
9. Install the bearing cap, and then use a cylinder gauge
to measure inside diameter (D) of the bearing cap.
10. Calculate thickness (F) of the required drive pinion rear
shim twice by the following formula. Select a shim which
most closely matches this thickness.
F = A + B + C - 1/2D - 86.00 mm
11. Fit the selected drive pinion rear shim(s) to the drive
pinion, and press-fit the drive pinion rear bearing inner
race by using special tool.
"
EA DRIVE PINION TURNING TORQUE ADJUSTMENT
/OIL SEAL INSTALLATION
1. Insert the drive pinion into the gear carrier, and then install
the following parts in sequence from the carrier rear side.
Drive pinion spacer, drive pinion front shim and drive
pinion front bearing inner race, companion flange.
NOTE
Do not install the oil seal.
2. Tighten the companion flange to the specified torque by
using special tool.
Thickness
gauge
MB990392
(MB990835)
Notch
MB990836
(MB990835)
A
B
C
Cylinder
gauge
Drive pinion
rear shim
MB990728
MB990850
186 ± 29 N·m
REAR AXLE -
Differential Carrier <Vehicles with mechanical LSD>
27B-47
3. Measure the drive pinion turning torque (without the oil
seal).
Standard value:
Bearing division
Turning torque
New
0.88 - 1.17 N
·
m
Caution
Take care not to fit gear oil on the bearing.
4. If the drive pinion turning torque is not within the standard
value, adjust the turning torque by replacing the drive
pinion front shim(s) or the drive pinion spacer.
NOTE
When selecting the drive pinion front shims, if the number
of shims is large, reduce the number of shims to a minimum
by selecting the drive pinion spacers.
Also, select the drive pinion spacer from the following
two types.
Height of drive pinion spacer mm
Identification colour
57.72
-
57.08
Red
5. Remove the companion flange and drive pinion again.
Then insert the drive pinion front bearing inner race into
the gear carrier. Use special tool to press-fit the oil seal.
6. Install the drive pinion assembly and companion flange
with mating marks properly aligned. Tighten the
companion flange self-locking nut to the specified torque
using special tool.
MB990326
MB990685
Identification
colour
MB990727
MB990850
186 ± 29 N·m
REAR AXLE -
Differential Carrier <Vehicles with mechanical LSD>
27B-48
7. Measure the drive pinion turning torque (with oil seal)
to verify that the drive pinion turning torque complies
with the standard value.
Standard value:
Bearing
division
Companion flange lubrication
Turning torque
New
None (With anti-rust agent)
0.98 - 1.27 N
·
m
Gear oil applied
0.49 - 0.58 N
·
m
8. If the turning torque is not within the standard value,
check the tightening torque of the companion flange
self-locking nut, and the installation of the oil seal.
"
FA DRIVE GEAR INSTALLATION
1. Clean the drive gear attaching bolts.
2. Remove the adhesive adhered to the threaded holes
of the drive gear by turning the special tool (tap M8 x
1.0), and then clean the threaded holes by applying
compressed air.
3. Apply the specified adhesive to the threaded holes of
the drive gear.
Specified adhesive:
3M Stud Locking 4170 or equivalent
4. Install the drive gear onto the LSD case with the mating
marks properly aligned. Tighten the bolts to the specified
torque in a diagonal sequence.
Tightening torque: 84 ± 4 N
·
m
"
GASIDE BEARING INNER RACE INSTALLATION
Use special tool to press-fit the side bearing inner races into
the differential case.
MB990326
MB990685
MB990813
Contact plate
MB990728
Contact
plate
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