1997 MITSUBISHI TRITON manual transmission
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GENERAL ± How to Use This Manual00-2
HOW TO USE THIS MANUAL00100010210
SCOPE OF MAINTENANCE, REPAIR
AND SERVICING EXPLANATIONS
This manual provides explanations, etc. concerning
procedures for the inspection, maintenance, repair
and servicing of the subject model. Note, however,
that for engine and transmission-related component
parts, this manual covers only on-vehicle
inspections, adjustments, and the removal and
installation procedures for major components.
For detailed information concerning the inspection,
checking, adjustment, disassembly and reassembly
of the engine, transmission and major components
after they have been removed from the vehicle,
please refer to separate manuals covering the
engine and the transmission.
ON-VEHICLE SERVICE
ªOn-vehicle Serviceº is procedures for performing
inspections and adjustments of particularly
important locations with regard to the construction
and for maintenance and servicing, but other
inspection (for looseness, play, cracking, damage,
etc.) must also be performed.
INSPECTION
Under this title are presented inspection and
checking procedures to be performed by using
special tools and measuring instruments and by
feeling, but, for actual maintenance and servicing
procedures, visual inspections should always be
performed as well.
DEFINITION OF TERMS
STANDARD VALUE
Indicates the value used as the standard for judging
the quality of a part or assembly on inspection
or the value to which the part or assembly is
corrected and adjusted. It is given by tolerance.
LIMIT
Shows the standard for judging the quality of a
part or assembly on inspection and means the
maximum or minimum value within which the part
or assembly must be kept functionally or in strength.
It is a value established outside the range of
standard value.
REFERENCE VALUE
Indicates the adjustment value prior to starting the
work (presented in order to facilitate assembly and
adjustment procedures, and so they can be
completed in a shorter time).
CAUTION
Indicates the presentation of information particularly
vital to the worker during the performance of
maintenance and servicing procedures in order to
avoid the possibility of injury to the worker, or
damage to component parts, or a reduction of
component or vehicle function or performance, etc.
INDICATION OF TIGHTENING TORQUE
The tightening torque shown in this manual is a
basic value with a tolerance of +10% except the
following cases when the upper and lower limits
of tightening torque are given.
(1) The tolerance of the basic value is within +10%.
(2) Special bolts or the like are in use.
(3) Special tightening methods are used.
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GENERAL ± How to Use This Manual00-3
MODEL INDICATIONS
The following abbreviations are used in this manual for classification of model types.
M/T: Indicates the manual transmission, or models equipped with the manual transmission.
A/T: Indicates the automatic transmission, or models equipped with the automatic transmission.
SOHC: Indicates an engine with the single overhead camshaft, or a model equipped with such
an engine.
MPI: Indicates the multi-point injection, or engines equipped with the multi-point injection.
DIESEL: Indicates a diesel engine, or models equipped with such an engine.
2WD: Indicates the rear wheel-drive vehicles.
4WD: Indicates the 4 wheel-drive vehicles.
Page 353 of 1310
MANUAL TRANSMISSION ± General Information22-2
GENERAL INFORMATION22100010113
ItemsVehicles with 4G63 engineVehicles with 4D56 engine
Transmission modelR5M21-5R5M21-5
Type5-speed, floor-shift5-speed, floor-shift
Gear ratio1st4.3304.330
2nd2.3552.355
3rd1.5091.509
4th1.0001.000
5th0.8270.827
Reverse4.1424.142
Speedometer gear ratio (driven/drive)29/826/8
ItemsVehicles with 4G64 engineVehicles with 4D56 engine
Transmission modelV5M21-9V5MT1-4
Type5-speed, floor-shift5-speed, floor-shift
Gear ratio1st3.9673.918
2nd2.1362.261
3rd1.3601.395
4th1.0001.000
5th0.8560.829
Reverse3.5783.925
Transfer type2-speed2-speed
Gear ratioHigh1.0001.000
Low1.9251.925
Speedometer gear ratio (driven/drive)27/825/8
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MANUAL TRANSMISSION ± 4WD Indicator-ECU22-16
Terminal No.Inspection itemInspection condition
1: Ignition switchInspection condition
2: Transfer lever positionTerminal voltage
1Free wheel engage
switch
ON2HSystem voltage
switch
4H*10 V
24WD detection
switch
ON2HSystem voltage
switch
4H, 4L0 V
3Ignition switch (IG1)OFF±0 V
ON±System voltage
5Free wheel differen-
tial indicator lamp
ON2HSystem voltage
tial indicator lam
4H*10 V
6HI/LOW detection
switchONShifting from 4H to 4L
or vice versaSystem voltage
2H, 4H, 4L0 V
7Free wheel clutch
changeover solenoid
ON4H, 4L0 V
changeover solenoid
valve2H*2System voltage
104WD Indicator lampON2H0 V
4H, 4LSystem voltage
NOTE
*1: When vehicle has been moved once.
*2: Shift the lever from 4H to 2H, and then turn the ignition switch to OFF and then back to ON.
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AUTOMATIC TRANSMISSION ± Troubleshooting23-4
TROUBLESHOOTING23100760152
STANDARD FLOW OF DIAGNOSIS TROUBLESHOOTING
Automatic transmission malfunctions may be caused by the following conditions.
(1) Improper maintenance and adjustment
(2) Shift control system malfunction
(3) Mechanical malfunctions
(4) Hydraulic malfunctions
(5) Poor engine performance
Troubleshooting in the event of any such malfunctions should begin by checking fluid level, ATF condition,
manual linkage adjustment, throttle control cable adjustment and other conditions whose deviation from
standards can be readily known. Then, road test shall be performed to determine whether or not the
problem has been corrected or more diagnosis is necessary. If the problem still persists after these tests
and corrections, hydraulic tests should be performed for further troubleshooting.
Road test (guess what causes malfunc-
tion.)
Check how A/T works in each drive
range to find a defective system.
A/T control component inspection
Check the throttle cable, inhibitor switch,
overdrive switch, overdrive solenoid
valve, overdrive control relay, defective
switch, engine coolant temperature
switch and vehicle speed sensor.
Torque converter stall test (Inspection
of engine performance and mechanical
function)
Check the engine performance, torque
converter operation and clutch and
brake sliding performance.
Hydraulic pressure test (Inspection of
hydraulic control mechanism)
Measure the fluid line pressure and
check for malfunctions of the oil pump
or regulator valve and for oil leaks.
Oil leak inspection
Visually check gaskets and oil seals for
leaks.
Adjustment of basic inspection items
ROAD TEST 23100780158
Prior to performing road test, be sure to make basic checks including check and adjustment of fluid
level and condition and adjustment of the throttle cable. For road test, the transfer must be placed in
the 2H (2WD-high) position. In road test, various changes such as slips in transmission and shifting
conditions are checked and the transmission operation at each shift position must have been checked.
Page 1073 of 1310
14
LUBRICANTS
Items Specified lubricant Quantity
Manual steering gear oil Hypoid gear oil API
GL-4 or higher SAE 80210 cm3 (12.81 cu.in.)
Power steering fluid
L.H. drive vehicles
<2800D>11.1 dm3 (1.17 U.S.qts.,
0.98 lmp.qts.)
0.93 lmp.qts.)
R.H. drive vehicels Automatic transmission fluid
DEXRON or DEXRON II
<2800D>1.02 dm3 (1,08 U.S.qts.,
0.90 lmp.qts.)
0.85 lmp.qts.)
Power steering gear box
Bearing, O-ring and oil seal
Automatic transmission fluid
DEXRON or DEXRON IIAs required
Oil pump
Flow control valve and O-ring
Friction surface of rotor, vane, cam ring
and pump coverAutomatic transmission fluid
DEXRON or DEXRON IIAs required
SEALANTS AND ADHESIVES
Items Specified sealant and adhesive Remarks
Steering column cover assembly
installation hole
Dash panel cover installed surface
Manual steering gear box top cover
packing
Manual steering gear box cross-shaft
adjusting and lock nut3M ATD Part No. 861 or equivalent Semi-drying sealant
Manual steering gear box top cover bolt
Manual steering gear box adjusting shim
Tie-rod end dust cover installed surface
Inside of steering column lower pipe
bearing
Connection of steering column upper and
steering column lower (Nut side)3M Stud Locking Part No. 4170 or
equivalentSemi-drying sealant
Steering column upper bearing 3M ATD Part No. 8001 or equivalent Semi-drying sealant
37-4STEERING – Specifications
E37CD--
E37CE--