1991 MITSUBISHI 3000GT ESP

MANUAL TRANSAXLE - Input Shaft AssemblY22-33
SpriprotKey2010018
MD998348-01
SPEED -GEARS
lCheck the bevel gear and clutch gear teeth for damage and
wear.l Check the synchronizer cone for rough surface, damage
and wear.
lCheck the gear bore and front and rear ends for damage
and wear.
SERVICE POINTS OF REASSEMBLY
13. INSTALLATION OF SYNCHRONIZER SPRING
Assemble the synchronizer spring so that its projection maybe engaged in the groove of the synchronizer key.
Take care to prevent the projections of the front and rearspring from sitting in the groove of the same key.
12. INSTALLATION OF 3RD-4TH SPEED SYNCHRONIZER
ASSEMBLY
(I) Install the synchronizer assembly so that the part that
has the small round indentation is in the oil groove atthe hub end.
NOTE
If the installation is in the opposite way, press-in mightnot be possible. This is because the edge of the hub
inner diameter spline at the part that has the small
round indentation is made to facilitate pressing in.
(2) Press the
3rd-4th speed synchronizer assembly onto
the input shaft using the special tool as illustrated.
CautionWhen installing the synchronizer assembly, make
sure that three synchronizer keys are seated cor-
rectly in respective grooves of the synchronizer
ring.(3) Check the 3rd speed gear rotates smoothly.
10. INSTALLATION OF BEARING SLEEVEUse the special tool as illustrated.
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22-40
MANUAL TRANSAXLE - Intermediate Gear Assembly
MD998350-01
/
1 st-2ndspeedsynchronizer
assembly
MD998348-012100022
MD998350-01
1st speed
gear
20106
(2) Install the Ist-2nd speed synchronizer assembly over
the intermediate gear using the special tool.
Caution1. When installing the synchronizer assembly,
L/:make sure that three synchronizer keys are
seated correctly in respective grooves of the
synchronizer ring.2. After installation of the synchronizer assembly,
check that the 3rd speed gear rotates smoothly.3. INSTALLATION OF BEARING SLEEVE
Install the 1st speed gear and bearing sleeve together overthe intermediate gear using the special tool.
2. INSTALLATION OF TAPER ROLLER BEARING
Install the taper roller bearing over the intermediate usingthe special tool.
Caution
When installing the bearing, push the inner race only.1. INSTALLATION OF SNAP RING
Select and install a snap ring that will result in an
intermediate gear bearing end play that is the standard
value.Standard value: 0.01
- 0.14 mm (.0004 - .006 in.)
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23-1
AUTOMATIC
TRANSAXLE
CONTENTSMZJAA- _
ANNULUS GEAR AND TRANSFER DRIVE GEARTransmission Fluid Level Inspection................................46SET................................................................................................
102Transmission Fluid Replacement........................................
46
DIFFERENTIAL........................................................................104SPECIAL TOOLS........................................................................
16
:......................................... 12IEND CLUTCH ASSEMBLY....................................................99SPECIFICATIONS..........................
FRONT CLUTCH ASSEMBLY................................................95
GENERAL INFORMATlON....................................................2
KICKDOWN SERVO................................................................
107
LOW-REVERSE BRAKE............................................................
107
OIL PUMP....................................................................................93
PLANETARY GEAR................................................................
100
REAR CLUTCH ASSEMBLY....................................................97
SELECTOR LEVER ASSEMBLY............................................58
SERVICE ADJUSTMENT PROCEDURES............................46
Accelerator Switch
Inspection and Adjustment................
50Drive Shaft Oil Seals Replacement....................................
52Inhibitor Switch and Control Cable Adjustment................
52Key Interlock Mechanism Check........................................50KickdownServo Adjustment................................................
47Line Pressure Adjustment....................................................
48Reducing Pressure Adjustment........................................
49Selector Lever Operation Check........................................
50Shift Lock Mechanism Check............................................51Speedometer Cable Replacement....................................53
General Specifications........................................................12Lubricants............................................................................15Service Specifications........................................................12Spacer and Snap Ring........................................................13Valve Body Spring Identification Chart............................13
SPEEDOMETER DRIVEN GEAR ASSEMBLY....................106
TRANSAXLE ASSEMBLY........................................................62
TRANSAXLE CONTROL*........................................................54
TRANSAXLE OIL COOLER, HOSES, TUBES
....................66
TRANSFER SHAFT....................................................................92
TROUBLESHOOTING............................................................
19
A/T Safety-lock System Troubleshooting........................44Converter Stall Test............................................................
43
Diagnosis and Test
................................................................
22
Element in Use at Each Position of Selector Lever........31Inspection
of ControlSystem............................................
28Inspection of Electronic Control System Components....32Oil Pressure Tests................................................................
39ShiftPatterns....................................................................
31,42Troubleshooting Guide........................................................
20
VALVE BODY. . . .._._.................................................................... 108
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
(1)A Supplemental Restraint System (SRS), which uses a driver-side air bag, has been installed in the 3668GT.(2)The SRS includes the following components: impact sensors, SRS diagnosis unit: SRS warning light, air bagmodule, clock spring, interconnecting wiring. Other SRS-related components (that may have to beremoved/installed in connection with SRS service or maintenance) are indicated in the table of contents byan asterisk (*).
WARNING!(1)Improper service or maintenance of any component of the SRS, or any SRS-related component, can lead topersonal injury or death to service personnel (from inadvertent firing of the air bag) or to the driver (from
rendering the SRS inoperative).
(2) Service or maintenance of any SRS component or SRS-related component must be performed only at an
authorized MITSUBISHI dealer.
(3) MlTSUBISHI dealer personnel must thoroughly review this manual, and especially its GROUP 52B -Supplemental Restraint System (SRS), before beginning any service or maintenance of any component of the
ISRS or any SRS-related component.

23-42AUTOMATIC TRANSAXLE - Troubleshooting.
SHIFT PATTERNSP range
-i;a-n 60
.rs
8
-z" 405
-+-!
34(b)
2413(2,L)
IIII
100020003000400050006000Transferdrivegearspeedtrpm)
IIIIIIIIIIIIIIIIIIII
010203040
5060708090
100110
120130140150160170180
Vehiclespeed (km/h)TFA0570E range
IOC
80-z
6
F60'E4
$40
5E
20
0
I3 e-4 (DAI
200030004000
50006000Transferdrivegearspeed
(rpm)
IIIIIIIIIIII
IIIIIIII010203040
5060
708090100110120130140150160170
180
Vehiclespeed (km/h)
T FA0571
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23-52
AUTOMATIC TRANSAXLE - Service Adjustment Procedures
Manual
control leverINHIBITOR SWITCH AND CONTROL CABLE
ADJUSTMENTM23FJADI1. Place selector lever in “N” (Neutral) position.
2. Place manual control lever in “N” (Neutral) position.
d3.For adjustment, turn inhibitor switch body so that the end
(section A-A in illustration on left) of manual control lever is
aligned with the hole In inhibitor switch body flange.
4. Tighten the mounting bolts of the inhibitor switch body to
the specified torque. At this time, take care to prevent
dropping the switch body.
TFA0359Mounting bolt
Section A-AManual
control
ISwitch
body
09N0062Oil
skal
1
v0 o\l II 0 // 0*-
I I09K567
09K566Specified torque:
10 - 12 Nm (7 - 9 ftlbs.)
5.Loosen the nut shown in the figure, and lightly pull the end
of the transaxle control cable in the direction of arrow by
hand.6. Tighten the nut to the specified torque.
Specified torque: 13 Nm (9
ftlbs.)7. Check that the selector lever is in “N” position.
8. Check that it securely operates and functions on the
transaxle side in the range which corresponds to each
position of the selector lever.
d
DRIVE SHAFT OIL SEALS REPLACEMENTM23FLN3D(1) Disconnect the drive shaft from the transaxle.
(Refer to GROUP 26
- Drive Shaft.)
(2) Using-.a flat-tip (-) screwdriver, remove the oil seal.
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PROPELLER SHAFT - Propeller Shaft25-5
lOW504lOW505l Check the universal joints for smooth operation in all
directions.
l Check the center bearing for smooth movement.
lCheck the center bearing mounting rubber for damage or
deterioration.
Matlng marks10AOOl
j2
SERVICE POINTS OF INSTALLATION
3. INSTALLATION OF PROPELLER SHAFT
(I) Caution
M25GOAP
Be cautious to avoid damage to the oil seal lip of the
transfer.(2) Install the propeller shaft to the companion flange with
the mating marks properly aligned.
CautionTighten installation bolts after removing oil and
grease from threads to prevent them from loosen-ing due to lubrication.
2. INSTALLATION OF INSULATOR
Install spacers and insulators as indicated in the illustration.
Caution
When installing the center bearing, assemble the samespacers as removed from it (or new spacers of equal
thickness).
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FRONT AXLE - Drive Shaft26-15
ubrication Points
Grease: Multipurpose greaseDust seal inner14-2Og(.49-.71 oz.)Dust seal outer8 - 12 g (.28- .42 oz.)
llE560
Grease: Repair kit greaseGrease: Repair kit grease
160 g (5.64 oz.)
Caution
The grease in the repair kit should be
divided in half for use, respectively,
at the joint and inside the boot.
Special grease is used to lubricate the
joint. Do not mix old and new grease
ofdifferent types of grease.
Grease: Repair kit grease
145 g (5.11 oz.)135 g (4.76 oz.)
Caution
The grease in the repair kit should be
divided in half for use, respectively,
at the joint and inside the boot.
Special grease is used to lubricate the
joint. Do not mix old and new grease OIdifferent types of grease.TSB Revision

FRONT AXLE - Drive Shaft26-17
INSPECTIONM26QGDD
l Check the drive shaft for damage, bending or corrosion.
l Check the inner shaft for damage, bending or corrosion.
l Check the drive shaft splines for wear or damage.
l Check the inner shaft splines for wear or damage.
lCheck for entry of water and/or foreign material into B.J.
l Check the spider assembly for roller rotation, wear or
corrosion.
lCheck the groove inside T.J. case for wear of corrosion.
l Check the boots for deterioration, damage or cracking.
l Check the center bearing for seizure, discoloration or
roughness of rolling surface.
l Check the dust cover for damage or deterioration.
SERVICE POINTS OF REASSEMBLYM26QHDF
20. INSTALLATION OF B.J. BOOT
/ 17. T.J. BOOT
(1) Wrap vinyl tape around the splines on the drive shaft,
and then install the R.J. boots and T.J. boots, in that
order.
11 K03:
(2)Fill the inside of the B.J. and B.J. boot with the specified
grease.
Specified grease: Repair kit grease
145 g (5.11 oz.)
135 g (4.76 oz.)
Caution
1.The grease in the repair kit should be divided in
half for use, respectively, at the joint and insidethe boot.
2. Special grease is used to lubricate the joint. Do
not mix old and new grease or different types of
grease.(3) Secure the boot bands.
FWDAWD
B.J.bootband
T.J.
bootbandLarge20-22#BJ104
20-75#BJl OOL
Small20-I 5#BJ10420-72#BJlOO
Large20-131#BJlOO20-I 31 #BJlOO
Small20-72#BJlOO20-72#BJlOO
Caution1. The boot bands should be tightened with the
drive shaft at a 0” joint angle.
2. The B.J. boot band and T.J. boot band are
identified by the identification number stamped
on the lever. Take good care to install the correct
one.
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