23. 2-4WD SHIFT RAIL AND H-L SHIFT RAIL23E-23-1..............................
23E-0-1
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Mar. 2000Mitsubishi Motors Corporation
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23E-0-2
NOTES
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Mar. 2000Mitsubishi Motors Corporation
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V5A51 -
General Information
23E-0-3
GENERAL INFORMATION
This transmission is the newly developed 5-speed automatic transmission that merges advanced electronic
technology and mechanical technology.
(1) A hydraulic balance mechanism is incorporated for the transmission clutch, allowing speed changes
at ultra-high speeds to be handled.
(2) The weight has been reduced by using precision sheet metal pressing of the clutch retainer, etc.,
and using aluminum die cast for the oil pump housing, etc.
SECTIONAL VIEW <TRANSMISSION>
12345678910111213
19
18
14
17
15
16
1. Torque converter clutch
2. Torque converter
3. Oil pump
4. Overdrive clutch
5. Reverse clutch
6. Overdrive planetary carrier
7. Second brake
8. Output planetary carrier
9. Low/reverse brake
10. One-way clutch
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Mar. 2000Mitsubishi Motors Corporation
11. Center support
12. Underdrive clutch
13. Output shaft support
14. Parking gear
15. Output shaft
16. One-way clutch
17. Direct clutch
18. Valve body
19. Input shaft
AddedPWEE8920-I
23E-0-4
V5A51 -
SECTIONAL VIEW <TRANSFER>
12345678910
General Information
12
1. Transfer input gear
2. H-L clutch
3. Low speed gear
4. 2-4WD clutch sleeve
5. Drive sprocket
6. Chain
11
7. Viscous coupling
8. Center differential planetary carrier
9. Transfer drive shaft
10. Rear output shaft
11. Front output shaft
12. Counter shaft gear
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Mar. 2000Mitsubishi Motors Corporation
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V5A51 -
HYDRAULIC CONTROL SYSTEM
General Information
23E-0-5
25
24
21
12345
28
6
7
9
10
8
29
30
11
22
16
12
13
14
1718
19
23
15
20
31
32
26
27
1. Reverse clutch
2. Low/reverse brake
3. Second brake
4. Underdrive clutch
5. Overdrive clutch
6. Torque converter clutch
7. Fail-safe valve A
8. Fail-safe valve B
9. Torque converter clutch control valve
10. Switching valve
11. Cooler
12. Low-reverse brake pressure control
valve
13. Second brake pressure control valve
14. Underdrive clutch pressure control
valve
15. Overdrive clutch pressure control
valve
16. Torque converter clutch control solenoid valve
17. Low-reverse brake solenoid valve
18. Second brake solenoid valve
19. Underdrive clutch solenoid valve
20. Overdrive clutch solenoid valve
21. Torque converter pressure control
valve
22. Regulator valve
23. Manual valve
24. Oil filter
25. Oil pan
26. Oil pump
27. Oil strainer
28. Reduction brake
29. Direct clutch
30. Fail-safe valve C
31. Reduction brake pressure control
valve
32. Reduction brake solenoid valve
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Mar. 2000Mitsubishi Motors Corporation
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V5A51 -
Specifications
1. SPECIFICATIONS
TRANSMISSION MODEL TABLE - MODEL 2001
Transmission modelsVehicle modelEngine model
EURV5A51-7-ACAV65W, V75W6G74
V5A51-7-SDAV68W, V78W4M41
EXPV5A51-7-CCA1V75W6G74
V5A51-7-CCA2V65W, V75W6G74
V5A51-7-SDA1V78W4M41
23E-1-1
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Mar. 2000Mitsubishi Motors Corporation
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23E-1-2
V5A51 -
Specifications
GENERAL SPECIFICATIONS
ItemV5A51
Torque converterType3-element, with torque converter clutch
TransmissionType5-speed, fully automatic
Gear ratio1st3.789
2nd2.057
3rd1.421
4th1.000
5th0.731
Reverse3.865
TransferType2-speed constant mesh
Gear ratioHigh1.000
Low
1.900
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Mar. 2000Mitsubishi Motors Corporation
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V5A51 -
Specifications
SERVICE SPECIFICATIONS
TRANSMISSION
ItemStandard value
Direct planetary carrier mm0.25 - 0.55
Underdrive clutch end play mm1.6 - 1.8
Input shaft end play mm0.25 - 0.81
Direct clutch end play mm1.0 - 1.2
Overdrive clutch end play mm2.0 - 2.2
Overdrive clutch return spring retainer end play mm0 - 0.09
Second brake end play mm1.49 - 1.95
Center support end play mm0 - 0.16
Brake reaction plate end play mm0 - 0.16
Reverse clutch end play mm1.5 - 1.7
23E-1-3
Low/reverse brake end play mm1.65 - 2.11
TRANSFER
ItemStandard valueLimit
Input gear bearing end play mm0 - 0.06-
Countershaft gear end play mm0 - 0.15-
Countershaft gear bearing end play mm0 - 0.08-
2-4WD clutch hub end play mm0 - 0.08-
H-L clutch hub end play mm0 - 0.08-
Rear output shaft preload mm0.12 - 0.24-
Rear output shaft end play mm0 - 0.12-
Rear output shaft bearing end play mm0 - 0.08-
Rear output shaft annulus gear end play mm0 - 0.08-
Differential lock hub end play mm0 - 0.08-
Clearance between outer synchronizer ring and drive sprocket mm-0.3
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Mar. 2000Mitsubishi Motors Corporation
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23E-1-4
V5A51 -
VALVE BODY SPRING IDENTIFICATION
Specifications
ItemWire
diameter
mm
Orifice check ball spring0.54.515.415
Torque converter clutch control valve spring0.75.928.119
Damping valve spring1.07.735.817
Torque converter pressure control valve spring1.611.229.49.5
Fail-safe valve A spring0.78.921.99.5
Pressure control valve spring0.77.637.725
Line relief valve spring1.07.017.310
Regulator valve spring1.313.344.610.5
Outside
diameter
mm
Free
height
mm
Number of
loops
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Mar. 2000Mitsubishi Motors Corporation
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V5A51 -
Specifications
TORQUE SPECIFICATIONS
TRANSMISSION
ItemTorque Nm
Output shaft support mounting bolt23 ± 3
Upper valve body mounting bolt11 ± 1
Park/neutral position switch mounting bolt11 ± 1
Anchor plug98 ± 15
Oil pan mounting bolt11 ± 1
Oil filter mounting bolt6 ± 1
Oil pump mounting bolt23 ± 3
Cable end bracket mounting bolt48 ± 6
Converter housing to transmission case tightening bolt48 ± 6
Output shaft speed sensor mounting bolt11 ± 1
23E-1-5
Reduction brake piston nut19 ± 3
Separating plate mounting bolt6 ± 1
Solenoid support mounting bolt6 ± 1
Transfer to transfer case adapter tightening bolt35 ± 6
Transmission case to transfer case adapter tightening bolt48 ± 6
Input shaft speed sensor mounting bolt11 ± 1
V alve body mounting bolt11 ± 1
Detent spring mounting bolt6 ± 1
Manual control lever mounting nut22 ± 3
Lower valve body mounting bolt11 ± 1
Lower valve body cover mounting bolt11 ± 1
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Mar. 2000Mitsubishi Motors Corporation
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23E-1-6
V5A51 -
Specifications
TRANSFER
ItemTorque Nm
Dynamic damper35 ± 6
Transfer case cover tightening bolt19 ± 2
Input gear bearing retainer mounting bolt20 ± 2
Transfer case to chain cover tightening bolt35 ± 6
Rear bearing retainer mounting bolt20 ± 2
Transfer case plate to transfer case tightening bolt and nut35 ± 6
Rear cover to chain cover tightening bolt35 ± 6
Shift actuator mounting bolt11 ± 1
4LLC switch35 ± 6
2WD switch35 ± 6
Center differential lock switch35 ± 6
4H switch35 ± 6
2WD-4WD switch35 ± 6
Vehicle speed sensor mounting bolt11 ± 1
Front outoput sensor mounting bolt11 ± 1
Rear output sensor mounting bolt11 ± 1
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Mar. 2000Mitsubishi Motors Corporation
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V5A51 -
Specifications
23E-1-7
SNAP RING, THRUST RACE, SPACER AND PRESSURE PLATE FOR ADJUSTMENT
TRANSMISSION
Thrust race (for adjustment of direct planetary carrier end play)
Thickness mmIdentification symbolPart number
1.6
1.8
2.0
2.2
2.3
None
None
None
None
None
MR276705
MR276706
MR276707
MR276708
MR276709
Snap ring (for adjustment of underdrive clutch and overdrive clutch end play)
Thickness mmIdentification symbolPart number
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
Brown
None
Blue
Brown
None
Blue
Brown
None
Blue
Brown
None
Blue
Brown
None
Blue
Oil panMITSUBISHI genuine sealant part No. MR166584 or
equivalent
Transfer case adapter (transmission side)MITSUBISHI genuine sealant part No. MR166584 or
equivalent
TRANSFER
ItemSpecified sealant
Bearing retainer mounting boltMITSUBISHI genuine sealant part No. MD997740 or
equivalent
Chain coverMITSUBISHI genuine sealant part No. MD997740 or
equivalent
Transfer case coverMITSUBISHI genuine sealant part No. MD997740 or
equivalent
Rear coverMITSUBISHI genuine sealant part No. MD997740 or
equivalent
Sealing cap3MTMAAD part No. 8672 or equivalent
Transfer case plateMITSUBISHI genuine sealant part No. MD997740 or
equivalent
Mar. 2000Mitsubishi Motors CorporationAddedPWEE8920-I
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Mar. 2000Mitsubishi Motors Corporation
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V5A51 -
Specifications
23E-1-13
FORM-IN-PLACE GASKET (FIPG)
The transmission has several areas where the form-in-place gasket (FIPG) is in use. To ensure that
the gasket fully serves its purpose, it is necessary to observe some precautions when applying the gasket.
Bead size, continuity and location are of paramount importance. Too thin a bead could cause leaks.
Too thick a bead, on the other hand, could be squeezed out of location, causing blocking or narrowing
of the fluid feed line. To eliminate the possibility of leaks from a joint, therefore, it is absolutely necessary
to apply the gasket evenly without a break, while observing the correct bead size.
Since the FIPG used in the transmission hardens as it reacts with the moisture in the atmospheric air,
it is normally used in the metallic flange areas.
Disassembly
The parts assembled with the FIPG can be easily disassembled without use of a special method. In
some cases, however, the sealant between the joined surfaces may have broken by lightly striking with
a mallet or similar tool. A flat and thin gasket scraper may be lightly hammered in between the joined
surfaces. In this case, however, care must be taken to prevent damage to the joined surfaces.
Surface preparation
Thoroughly remove all substances deposited on the gasket application surfaces, using a gasket scraper
or wire brush. Check to ensure that the surfaces to which the FIPG is to be applied is flat. Make sure
that there are no oils, greases and foreign substances deposited on the application surfaces. Do not
forget to remove the old FIPG remaining in the bolt holes.
Form-in-place gasket application
When assembling parts with the FIPG, you must observe some precautions, but the procedures is very
simple as in the case of a conventional precut gasket.
Applied FIPG bead should be of the specified size and without breaks. Also be sure to encircle the
bolt hole circumference with a completely continuous bead. The FIPG can be wiped away unless it is
hardened. While the FIPG is still moist (in less than 15 minutes), mount the parts in position. When
the parts are mounted, make sure that the gasket is applied to the required area only. In addition, do
not apply any oil or water to the sealing locations or start the engine until a sufficient amount of time
(about one hour) has passed after installation is completed.
The FIPG application procedure may vary on different areas. Observe the procedure described in the
text when applying the FIPG.
LUBRICANTS
TRANSFER
ItemSpecified lubricant
Lip of transfer case oil sealMITSUBISHI genuine grease part No. 0101011 or
equivalent
Lip of transfer case plate oil seal
Lip of rear cover oil seal
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Mar. 2000Mitsubishi Motors Corporation
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V5A51 -
Special Tools
2. SPECIAL TOOLS
TRANSMISSION
ToolNumberNameUse
MB990929Installer adapterInstallation of transfer case adapter oil seal
MB990938HandleUse with installer adapter
MD998727Oil pan removerRemoval of oil pan
23E-2-1
MD998333Oil pump removerRemoval of oil pump
MB991693Reduction brake
stopper
MB991633Reduction brake
wrench set
MB991603Bearing installer
stopper
Adjustment reduction brake piston
Adjustment reduction brake piston
Measurement of direct planetary carrier and
center support end plays
MD998304Oil seal installerMeasurement of direct planetary carrier end
play
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Mar. 2000Mitsubishi Motors Corporation
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23E-2-2
ToolUseNameNumber
V5A51 -
Special Tools
MB991632Clearance dummy
plate
MD998913Dial gauge exten-
sion
MD998412GuideInstallation of oil pump
MD998316Dial gauge supportMeasurement of input shaft end play
Measurement of brake reaction plate, second
brake and low/reverse brake end plays
Measurement of brake reaction plate, second
brake and low/reverse brake end plays
MD999590Spring compressorRemoval and installation of reverse and
overdrive clutch spring retainer snap ring
MD998924Spring compressor
retainer
MB991629Spring compressorMeasurement of overdrive clutch and under-
MB991789Spring compressorAdjustment reverse clutch end play
Use with spring compressor
drive clutch end plays
MB991630Spring compressorRemoval and installation of center support
snap ring and direct clutch snap ring
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Mar. 2000Mitsubishi Motors Corporation
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ToolUseNameNumber
MD998907Spring compressorRemoval and installation of underdrive clutch
V5A51 -
Special Tools
spring retainer snap ring
23E-2-3
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Mar. 2000Mitsubishi Motors Corporation
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23E-2-4
V5A51 -
Special Tools
TRANSFER
ToolNumberNameUse
MB990932Installer adapterInstallation of oil seal
MB990938HandleUse with installer adapter
MB990936Installer adapterInstallation of oil seal
MD998801Bearing removerRemoval and installation of bearing
MD998812Installer capUse with installer and installer adapter
MD998826Installer adapter
(52)
MD998818Installer adapter
(38)
Installation of transfer input gear bearing
Installation of countershaft gear bearing, front
output shaft bearing
MD998917Bearing removerRemoval and installation of bearing
MD998814Installer-200Use with installer cap and installer adapter
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Mar. 2000Mitsubishi Motors Corporation
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ToolUseNameNumber
V5A51 -
Special Tools
23E-2-5
MD998824Installer adapter
(50)
MD998813Installer-100Use with installer cap and installer adapter
MD998830Installer adapter
(66)
MD998192Bearing pullerInstallation of transfer drive shaft bearing
Installation of rear output shaft bearing
Installation of transfer drive shaft bearing
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Mar. 2000Mitsubishi Motors Corporation
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V5A51 -
Transmission and Transfer
3. TRANSMISSION AND TRANSFER
DISASSEMBLY AND ASSEMBLY
35±6Nm
4
23E-3-1
3
6
Disassembly steps
1. Transfer
2. Cable end bracket
3. Harness bracket
4. Harness bracket
"AA 5. Transfer case adapter
6. Transmission
5
48±6Nm
1
2
48±6Nm
35±6Nm
ASSEMBLY SERVICE POINT
"AA
After squeezing out and applying sealant on the transfer case
3mm
diameter
adapter at the section indicated in the illustration, install onto
the transmission case.
Specified sealant:
Caution
D
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Mar. 2000Mitsubishi Motors Corporation
TRANSFER CASE ADAPTER INSTALLATION
MITSUBISHI genuine sealant part No. MR166584 or
equivalent
Evenly squeeze out and apply the sealant so that
it is not excessive and does not ooze out.
AddedPWEE8920-I
V5A51 -
Transfer Case Adapter
4. TRANSFER CASE ADAPTER
DISASSEMBLY AND ASSEMBLY
2
23E-4-1
7
8
3
Disassembly steps
1. Parking sprag shaft
"CA 2. Parking sprag spring
3. Parking sprag
"BA 4. Sealing cap
5. Parking roller support shaft
6. Parking roller support
"AA 7. Oil seal
8. Transfer case adapter
MB990938
MB990929
1
6
ASSEMBLY SERVICE POINTS
"AA
Use the special tools to install the oil seal.
OIL SEAL INSTALLATION
5
4
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23E-4-2
V5A51 -
Transfer Case Adapter
Sealing cap
1.5 mm
1.5 mm
"BA
SEALING CAP INSTALLATION
1.Press the sealing caps into the dimensions shown in
the illustration so that they are not slanted.
2.Apply sealant as shown in the illustration.
Specified sealant:
TM
"CA
3M
PARKING SPRAG SPRING INSTALLATION
AAD part No. 8672 or equivalent
Attach the end of the spring to the position shown in the
illustration.
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Mar. 2000Mitsubishi Motors Corporation
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V5A51 -
5. TRANSMISSION
DISASSEMBLY AND ASSEMBLY
Transmission
23E-5-1
11±1Nm
6
5
2
4
1
11±1Nm
3
13
15
11±1Nm
22±3Nm
14
11±1Nm
11
11±1Nm
9
8
6±1Nm
11±1Nm
1. Input shaft speed sensor
2. Output shaft speed sensor
3. Manual control lever
4. Park/neutral position switch
5. Snap ring
6. Parking gear
7. Oil pan
8. Oil filter
12
11±1Nm
10
6±1Nm
7
Apply automatic
transmission fluid to
all moving parts
before installation.
9. O-ring
10. Detent spring
11. Oil temperature sensor
12. Valve body
13. O-ring
14. Snap ring
15. Solenoid valve harness
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Mar. 2000Mitsubishi Motors Corporation
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23E-5-2
V5A51 -
33
Transmission
31
32
33
34
37
36
31
21
20
19
32
34
37
35
27
24
26
2325
22
19
19
30
29
28
19
Apply automatic
transmission fluid to
all moving parts
before installation.
44
38
39
43
40
41
42
16. Oil seal
17. Oil seal
18. Oil strainer
19. Seal ring
20. Accumulator piston
(for overdrive clutch)
21. Accumulator spring
22. Accumulator piston
(for second brake)
23. Inner spring
24. Outer spring
25. Accumulator piston
(for low/reverse brake)
26. Inner spring
27. Outer spring
28. Accumulator piston
(for underdrive clutch)
29. Inner spring
17
16
18
30. Outer spring
31. Snap ring
32. Accumulator cover
33. O-ring
34. Accumulator spring
35. Accumulator piston
(for reduction brake)
36. Accumulator piston
(for direct clutch)
37. Seal ring
38. Spring pin
39. Pin
40. Manual control shaft
41. O-ring
42. O-ring
43. Detent lever
44. Parking roller rod
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Mar. 2000Mitsubishi Motors Corporation
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48±6Nm
45
23±3Nm
V5A51 -
46
Transmission
47
23E-5-3
52
50
51
48
49
45. Converter housing
46. Oil pump
47. Oil pump gasket
48. Thrust race No.1
49. Thrust bearing No.2
50. Reverse and overdrive clutch
51. Thrust bearing No.3
53
57
56
55
54
Apply automatic
transmission fluid to
all moving parts
before installation.
52. Overdrive clutch hub
53. Thrust bearing No.4
54. Reverse sun gear
55. Snap ring
56. Second brake
57. Return spring
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Mar. 2000Mitsubishi Motors Corporation
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23E-5-4
V5A51 -
Transmission
58
60
65
59
66
61
62
64
63
68
69
Apply automatic
transmission fluid to
all moving parts
before installation.
67
58. Pressure plate
59. Brake plate
60. Brake disc
61. Low/reverse annulus gear
62. Thrust bearing No.7
63. Snap ring
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Mar. 2000Mitsubishi Motors Corporation
64. Reaction plate
65. Snap ring
66. Brake plate
67. Brake disc
68. Pressure plate
69. Wave spring
AddedPWEE8920-I
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