clutch MITSUBISHI 3000GT 1991 Workshop Manual
[x] Cancel search | Manufacturer: MITSUBISHI, Model Year: 1991, Model line: 3000GT, Model: MITSUBISHI 3000GT 1991Pages: 1146, PDF Size: 76.68 MB
Page 406 of 1146

22-26MANUAL TRANSAXLE .
Amountl-2 mm
27. INSTALLATION OF OIL GUIDEInstall the oil guide to the transaxle case as illustrated.
26. INSTALLATION OF TRANSAXLE CASE(1) Place the selected spacers on the intermediate gear
and differential’s bearing outer race. Also insert the
selected spacer between the output shaft bearing outer
race and the transaxle case.
(2) Set so that the threaded hole of the reverse idler gearshaft’s head is facing in the direction indicated in the
illustration.
NOTE
If there is a great deviation in the direction in which the
threaded hole is facing, it will be impossible to align thethreaded hole and the hole in the case after the
transaxle case is installed.
(3) Apply specified sealant to the clutch housing side of the
transaxle case.
Specified’ sealant: MITSUBISHI genuinePart No. MD997740 or equiva-
lentLJ
Caution
Squeeze out sealant from the tube uniformly with-
out excess or discontinuity.(4) Install the transaxle case onto the clutch housing.
(5) Insert a Phillips screwdriver
[8 mm (.32 in.) shaft
diameter] into the bolt hole in the case, as shown in thefigure, and use it to align the threaded hole of the
reverse idler gear shaft with the bolt hole in the
transaxle case.
(6) Install the reverse idler gear shaft bolt and tighten thebolt by fingers.
(7) Tighten the all transaxle tightening bolts to specified
torque.(8) Tighten the reverse idler gear shaft bolt to specified
torque.16.15. INSTALLATION OF LOCK NUTS
(1) Install the special tool to the splined end of input shaft.(2) Screw a bolt
[lo mm (.40 in.)] into the hole on the
periphery of clutch housing and attach a spinner handleto the special tool.
TSB Revision
Page 412 of 1146

22-32MANUAL TRANSAXLE
20105'
Damage, breakage
Damage, wearTFMOll!
Synchnizer ringGLar
TFMOll201044
/
NEEDLE BEARINGl Combine the needle bearing with the shaft or bearing
sleeve and gear and check that it rotates smoothly without
abnormal noise or play.l Check the needle bearing cage for deformation
SYNCHRONIZER RINGl Check the clutch gear teeth for damage and breakage.
l Check paper lining on cone I.D. for damage, wear, and
flaking.l Force the synchronizer ring toward the clutch gear and
check clearance “A”. Replace if it is out of specification.
Limit: 0.5 mm
(.02 in.)
SYNCHRONIZER SLEEVE AND HUBl
Combine the synchronizer sleeve and hub and check thatthey slide smoothly.
l
Check that the sleeve is free from damage at its inside front
and rear ends.
lCheck for wear of the hub end surfaces (in contact with
each speed gear).
CautionWhen replacing, replace the synchronizer hub and
sleeve as a set.
SYNCHRONIZER KEY AND SPRINGl
Check for wear of the synchronizer key center protrusion.
lCheck the spring for deterioration, deformation and break-
age.
TSB Revision
Page 413 of 1146

MANUAL TRANSAXLE
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.
rTSB Revision
Page 418 of 1146

22-38
MANUAL TRANSAXLE
Damage and breakage
TFMOllE
Syndhronizer ringGAarTFMOll:201045
SYNCHRONIZER RINGl Check the clutch gear teeth for damage and breakage.
l Check paper lining on cone I.D. for damage, wear, and
flaking.l Force the synchronizer ring toward the clutch gear and
check clearance “A”. Replace if it is out of specification.
Limit: 0.5 mm
(.02 in.)
SYNCHRONIZER SLEEVE AND HUB
lCombine the synchronizer sleeve and hub and check thatthey slide smoothly.
lCheck that the sleeve is free from damage at its inside front
and rear ends.
lCheck for wear of the hub end surfaces (in contact with
each speed gear).
CautionWhen replacing, replace the synchronizer hub and
sleeve as a set.
SYNCHRONIZER KEY AND SPRINGl
Check for wear of the synchronizer key center protrusion.
lCheck the spring for weakness, deformation and breakage.
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.
TSB Revision
1
Page 426 of 1146

22-46MANUAL TRANSAXLE
CLUTCH HOUSING ASSEMBLYM22MPAM
DISASSEMBLY AND REASSEMELY
iJ15-22Nm
II- 15 ft.lbs.
/
1443q 15-
m16----@20-27Nm
15- 19ft.lbs.
2100019
Disassembly steps
1.Bolt
2. Select lever assembly
3. Select lever shoe
4. Interlock plate bolt
5.Gasket
4~ l a6. Lock pin+* I)* 7. Spring pin8. Neutral return spring
9.Stopper body10.Control finger11.Interlock plate12. Neutral return spring assembly13.Control shaft14. Control shaft boot
l * 15. Oil seal
l *16.Needle
bearingI)+ 17. Needle bearing
; 98: F:;tch housing
20.Return
spring21. Stopper plate
22. Spring pin
1 TSB Revision1
Page 427 of 1146

MANUAL TRANSAXLE
1
Oil sealSocketwrench
SERVICE POINTS OF DISASSEMBLY6. REMOVAL OF LOCK PIN
Drive out the lock pin from the control finger using the pin
punch.
CautionWhen removing the lock pin, turn the control lever to
such position that the lock pin will not contact the
clutch housing.7. REMOVAL OF SPRING PIN
Drive out the spring pin from the stopper body using the pin
punch.
Caution
When removing the spring pin, pull the control shaft inthe direction illustrated so that the spring pin will not
contact the clutch housing.
SERVICE POINTS OF REASSEMBLY
17.16. INSTALLATION OF NEEDLE BEARINGSInstall the needle bearing flush with the surface A of the
clutch housing.
15. INSTALLATION OF OIL SEALInstall the control shaft oil seal using a socket wrench.
7. INSTALLATION OF SPRING PIN
/ 6. LOCK PIN
(I) Install new spring pin and lock pin using the special tool.
CautionDo not reuse the spring pin and lock pin.
(2) Install the spring pin with its slit at right angle to the
control shaft center.
TSB Revision
Page 437 of 1146

MANUAL TRANSAXLE
22-57
45 Nmaa 33ftlbs..,.,
31 Nm
09FOO91.15
28
50-72Nm43 - 52 ft.lbs.
\
22 ftlbs.9.0Nm
4.0 ftlbs.
10. Connection for clutch tube bracket11. Connection for clutch release cylinder
12. Connection for transaxle mount
13. Plug
14. Transaxle mount bracket (Body side)I)* 15. Mounting stopper16. Transaxle mount bracket (Transaxle side)17. Transaxle assembly lower part
coupling bolt
4*18. Connection for tie rod endl *19. Connection for lower armball joint
20. Right member
21. Starter cover
22. Starter
Mb23. Drive shaft (Left side),Inner shaft assembly+* l * 24. Drive shaft (Right side)25. Connection for transaxle stay (Front bankside)26. Connection for transaxle stay(Rear bank side)27. Transaxle assembly lower part
coupling bolt
28. Transaxle assembly
TSB Revision
Page 438 of 1146

22-58
MANUAL TRANSAXLE
SERVICE POINTS OF REMOVALMPMBBB11. REMOVAL OF CLUTCH RELEASE CYLINDER
/ 12.
CONNECTION OF TRANSAXLE MOUNT
Refer to
PZ-15.‘L-J
18. DISCONNECTION OF TIE ROD END / 19. LOWER ARM
BALL JOINTRefer to
P.22-16.
23. REMOVAL OF DRIVE SHAFT (LEFT SIDE), INNER SHAFTASSEMBLY
/ 24. DRIVE SHAFT (RIGHT SIDE) / 27.
TRANSAXLE ASSEMBLY LOWER COUPLING BOLT / 28.
TRANSAXLE ASSEMBLYRefer to
P.22-16.
SERVICE POINTS OF INSTALLATIONM22MDAU24. INSTALLATION OF DRIVE SHAFT (RIGHT SIDE)
/ 15.
MOUNTING STOPPERRefer to
P.22-17.
03FOOE
Air intake hose B
05FOO23
Air hose A
Air hoseC/4. INSTALLATION OF VACUUM PIPE
If the vacuum pipe has a stepped part, connect the vacuum
hose to the pipe securely, up to the stepped part, as shownin the figure.
3. INSTALLATION OF AIR CLEANER COVER, AIR INTAKE
HOSE A
Align slots indicated by arrows in air intake hose A with LI
markings on air intake hoses B and C; then, insert hoses Band C all the way into air intake hose A.
Insert air intake hoses B and C all the way up to the roots on
the turbocharger end.2. INSTALLATION OF AIR HOSE A
Connect the air hoses ensuring that alignment marks arealigned with projections.
Insert air hoses B and C into pipe all the way to its step.
CautionBe careful not to allow any foreign matter to get into
the hoses, pipes, or the intercooler itself.
#L.&J
TSB Revision1
Page 443 of 1146

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.
Page 445 of 1146

AUTOMATIC TRANSAXLE - General Information23-3HYDRAULIC CONTROL SYSTEM
i
Low-reversehr3b.3\t3ear clutch “IYhFI\\\\\\1
,/I // L1 ji‘erhaustvalve7 ;// j/ .j/,
Damper cluGcontrol solenoidvalve
To lubncatlon(front) cTo lubncatlon ,-=(rear)
Torquel-2 shift
valvek&!&!&I h TransaxldI e 1 11
---- il.valve
I 1 Shik control I!:;?A+;ilEjJJBi,
IIsolenoid
valve “6”S3ivcontroI
I/
i %
\sl
valve
Ex[ 011 filter J
011 pan
m Line pressure
-Tyue converter and lubricationsure
-_ucing pressureOil pump suction pressure
a Modulated line pressure
I”‘rl Damper clutch pressure
mDamper clutch control solenoid
valve pressure
IPressure control solenoidvalve pressureTFA0070
TSB Revision