oil level MITSUBISHI LANCER EVOLUTION IV 1998 User Guide

REAR AXLE – On-vehicle Service 27-28
2-2 TORQUE TRANSFER MECHANISM
(1) Remove the filler plug.
(2) Check that the gear oil level is up to the bottom end
of the filler plug hole.
(3) If the gear oil level is lower than the bottom end of the
filler plug hole, add the specified gear oil up to the bottom
end of the filler plug hole.
Specified gear oil:
MITSUBISHI GENUINE DIA QUEEN SUPER AYC
FLUID
(4) Fit the filler plug and tighten it to the specified torque.
3. GEAR OIL CHANGE
3-1 DIFFERENTIAL
(1) Remove the drain plug to discharge the gear oil.
(2) Fit the drain plug and tighten it to the specified torque.
Tightening torque: 49 Nm {5.0 kgf
m}
(3) Remove the filler plug and add the specified gear oil
up to the bottom end of the filler plug hole.
Specified gear oil:
MITSUBISHI GENUINE DIA QUEEN SUPER
HYPOID GEAR OIL (GL-5)
Quantity used: 0.41 ± 0.02 dm
3 {0.41 ± 0.02 }
NOTE
10
C or more: #90, less than 10
C: #80
(4) Fit the filler plug and tighten it to the specified torque.
Filler plug
49 Nm {5.0 kgf
m}
Gear oil
Filler plug
49 Nm
{5.0 kgf
m}
Gear oil
Drain plug

REAR AXLE – On-vehicle Service 27-29
3-2 TORQUE TRANSFER MECHANISM
(1) Remove the drain plug to discharge the gear oil.
(2) Fit the drain plug and tighten it to the specified torque.
(3) Remove the filler plug and add the specified gear oil
up to the bottom end of the filler plug hole.
Specified gear oil:
MITSUBISHI GENUINE DIA QUEEN SUPER AYC
FLUID
Quantity used: 0.70
0
0.05dm3{0.700
0.05}
(4) Fit the filler plug and tighten it to the specified torque.
4. FLUID LEVEL CHECK
(1) Remove the maintenance lid located in the luggage
compartment.
(2) If the vehicle has been run, leave it for 5 min. or more
in an ordinary temperature (10
C to 30
C) to allow the
accumulator internal pressure to drop.
NOTE
If the ambient temperature is less than 10
C or less,
allow more time to leave the vehicle to stand idle.
(3) Check that the fluid level in the oil reservoir is in the
range between MAX and MIN.
(4) If the fluid level is lower than MIN, add the specified
fluid.
Specified fluid: MITSUBISHI DIA QUEEN ATF-SPII
(5) Reinstall the maintenance lid.
5. BLEEDING
(1) Lift up the vehicle.
(2) Remove the cap of the left bleeder screw on the torque
transfer differential and connect a vinyl hose.
(3) Gradually turn the steering wheel clockwise from the
straight-ahead position. At this time, loosen the left bleeder
screw and check that fluid is discharged with air.
(4) After air has been completely discharged, tighten the
bleeder screw.
Caution
While the system is being bled of air, add fluid as
necessary to ensure that it is left in the oil reservoir
during the entire procedure.
(5) Repeat steps (3) and (4) two to three times until no air
bubbles are recognized in the fluid that comes out. Then,
tighten the bleeder screw to the specified torque.
Tightening torque: 9 Nm {0.9 kgf
m}
(6) Perform steps (2) through (5) for the right bleeder screw.
Note, however, that the steering wheel should be turned
counterclockwise.
Filler plug
49 Nm {5.0 kgf
m}
Gear oil
Drain plug
49 Nm
{5.0 kgf
m}
Bleeder
screws Vinyl hose

REAR AXLE – On-vehicle Service 27-30
(7) After the system has been completely bled of air, check
for the fluid level.
Caution
If the system is not completely bled of air, the hydraulic
unit could generate noise, degrading pump durability.
6. DIFFERENTIAL CARRIER OIL SEAL
REPLACEMENT
6-1 DIFFERENTIAL
(1) Remove the drive shaft. (Refer to p. 27-36.)
(2) Remove the oil seal from the differential carrier.
(3) Using the special tool, drive a new oil seal all the way
into position.
(4) Coat the oil seal lips and the drive shaft surface in contact
with the oil seal with multi-purpose grease.
(5) Replace the drive shaft circlip with a new one and mount
the drive shaft to the differential carrier. (Refer to P.27-36.)
(6) Check for correct wheel alignment. (Refer to GROUP
34 – On-vehicle Service.)
6-2 TORQUE TRANSFER MECHANISM
(1) Remove the drive shaft. (Refer to p. 27-36.)
(2) Remove the oil seal from the differential carrier.
(3) Using the special tool, drive a new oil seal all the way
into position.
(4) Coat the oil seal lips and the drive shaft surface in contact
with the oil seal with the specified grease.
Specified grease: Vaseline
(5) Replace the drive shaft circlip with a new one and mount
the drive shaft to the differential carrier. (Refer to P.27-36.)
(6) Check for correct wheel alignment. (Refer to GROUP
34 – On-vehicle Service.)MB990938
MB991115
MD998829
MD998812
MD998813