Mitsubishi Lancer Evolution 7. Manual — part 260
MANUAL TRANSMISSION OVERHAUL -
General Description
22B-5
SECTIONAL VIEW
<W5M51 - 2 - X5B, X5B4>
MANUAL TRANSMISSION OVERHAUL -
Specifications/Service Specifications
22B-6
SPECIFICATIONS
TRANSMISSION MODEL TABLE
Transmission
model
Gear ratio
Speedometer
gear ratio
Final
reduction
ratio
Front LSD
Vehicle model
Engine model
W5M51-2-X5B
A
28/36
4.529
CT9A
4G63-I/C•T/C
W5M51-2-X5B1
B
28/36
4.529
Not provided
CT9A
4G63-I/C•T/C
W5M51-2-X5B2
C
28/36
4.529
Provided
CT9A
4G63-I/C•T/C
W5M51-2-X5B3
B
28/36
4.529
Not provided
CT9A
4G63-I/C•T/C
W5M51-2-X5B4
C
28/36
4.529
Provided
CT9A
4G63-I/C•T/C
GEAR RATIO TABLE
A
B
C
1st
2.928
2.785
←
2nd
1.950
←
←
3rd
1.407
←
1.444
4th
1.031
←
1.096
5th
0.720
←
0.825
Reverse
3.416
←
←
Transfer gear ratio
0.3018
←
←
SERVICE SPECIFICATIONS
Items
Standard value mm
Limit value mm
Input shaft end play
0.05 loose to 0.17 loose
-
Input shaft front bearing end play
0.01 tight to 0.12 loose
-
Input shaft rear bearing end play
0.01 tight to 0.12 loose
-
Input shaft 5th speed gear end play
0.01 tight to 0.09 loose
-
Output shaft preload
0.13 tight to 0.18 tight
-
Output shaft bearing end play
0.01 tight to 0.09 loose
-
Output shaft 3rd speed gear end play
0.01 tight to 0.09 loose
-
Center differential case preload
0.05 tight to 0.11 tight
-
Center differential case pinion backlash
0.025 - 0.150
-
Clearance between synchronizer ring rear surface and gears
-
0.5
Provided
MANUAL TRANSMISSION OVERHAUL -
Sealants
22B-7
SEALANTS
TRANSMISSION
Items
Specified sealants
Clutch housing and transmission case contact surface
MITSUBISHI genuine sealant Part
No MD997740 or equivalent
Control housing and transmission case contact surface
No.MD997740 or equivalent
Under cover and transmission case contact surface
Air breather
3M SUPER WEATHERSTRIP No.8001 or
equivalent
Center differential drive gear bolt
3M STUD Locking No.4170 or equivalent
FORM-IN-PLACE GASKET (FIPG)
FIPG is used for several members of this transmission. With this gasket, caution is required to the application
amount, application procedure and state of the application surface so that the performance is sufficiently
attained.
If sufficient gasket is not applied, leaks could occur, and if too much is applied, the gasket could protrude
and plug or restrict the oil flow passage. Thus, to prevent leaks from the joined sections, it is absolutely
necessary to evenly apply the correct amount.
DISASSEMBLY
The parts assembled with FIPG can be easily disassembled without special means. However, in some
cases, the sealant on the contact surfaces must be broken by lightly tapping with a wood hammer or
similar tool.
Washing the gasket surface
Completely remove all matters adhered on the contact surfaces with a gasket scraper. Confirm that the
FIPG application surface is smooth. There must be no grease or foreign matter on the contact surfaces.
Always remove the old FIPG that has entered the mounting holes and screw holes.
APPLICATION PROCEDURES
Apply an even coat of FIPG within the predetermined radius (1.5 ± 0.3 mm). Completely cover the areas
around the mounting holds. The FIPG can be wiped off if it has not hardened. Install at the set position
while the FIPG is still wet (within 10 minutes). When installing, make sure that the FIPG does not get
on areas other than the required areas. After installing, do not subject the application areas to oil or
water or start operation until the FIPG has sufficiently hardened (approx. one hour).
The FIPG application procedures differ according to the member, so follow the procedures given in this
manual and apply the FIPG.
MANUAL TRANSMISSION OVERHAUL -
Lubricants
22B-8
LUBRICANTS
TRANSMISSION
Items
Specified lubricants
Drive shaft oil seal lip section
MITSUBISHI genuine “DIA-QUEEN” multi
gear oil <75W/85W> or equivalent
Input shaft oil seal lip section
gear oil <75W/85W> or equivalent
Control shaft oil seal lip section
Select lever shoe
MITSUBISHI genuine grease Part
No.0101011 or equivalent
TRANSFER
Items
Specified lubricants
Drive shaft oil seal lip section
MITSUBISHI genuine “DIA-QUEEN
SUPER” hypoid gear oil (GL 5) or
Front differential oil seal lip section
SUPER” hypoid gear oil (GL-5) or
equivalent
Each O-ring
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