MITSUBISHI 3000GT 1991 Service Manual

I’REAR AXLE
<AWD> - Axle Shaft
AXLE SHAFT
REMOVAL AND INSTALLATION27-15M27HA- -
i
/
i55-65 Nm
QO - 47 ftlbs.
Iq y 6
50-60Nm
36-4?R.‘bs-
12 Nm9 ft.lbs.
/
190 Nm137 ft.lbs.<Turbo>
260 - 300 Nm188-217ftlbs.
Removal steps
l *1. Rear speed sensor<Vehicles with A.B.S.>a*2. Brake caliper assembly
3. Brake disc
4. Drive shaft mounting nut
+I) l *5. Self-locking nut
6. Washer
7. Companion flange
l *8. Axle shaft assembly+* l +9. Rear rotor
<Vehicles with A.B.S.>
+* l + 10. Outer bearinga* l a 11. Dust shieldl a 12. Dust shield13. Axle shaftl * ** 14. Oil seall * I)+ 15. Inner bearing
/llN0021
llA0325 IllA026~
SERVICE POINTS OF REMOVALM27HBAQ
1.REMOVAL OF REAR SPEED SENSOR <VEHICLES WITHA.B.S.>
Caution
Be cautious to ensure that the tip of the pole piece doesnot come in contact with other parts when removing
the speed sensor.2. REMOVAL OF BRAKE CALIPER ASSEMBLY
Remove the brake caliper assembly and suspend it with apiece of wire.
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27-16
REAR AXLE <AWD> - Axle Shaft
MB990241-01
MB990,938-01AY ho"sing
MB990$28-0111 A003865. REMOVAL OF SELF-LOCKING NUT
With the special tool, secure the axle shaft and remove the
companion flange self-locking nut.8. REMOVAL OF AXLE SHAFT ASSEMBLY
With the special tool, remove the axle shaft from the axle
housing.
9.REMOVAL OF REAR ROTOR <VEHICLES WITH A.B.S.>Remove the rear rotor from the axle shaft.
10. REMOVAL OF OUTER BEARING / 1.1. DUST SHIELDRemove the outer bearing and dust shield concurrently
from the axle shaft.
14. REMOVAL OF OIL SEAL
/ 15. INNER BEARING
With the special tool, remove the inner bearing and oil sealfrom the axle housing.
INSPECTIONhl27HcAGl Check the companion flange for wear or damage.
l Check the dust shield for deformation or damage.
l Check the wheel bearings for burning or discoloration.
l Check the wheel bearing for unsmooth rotation.
l Check the axle shaft for cracking, wear or damage.
l Check oil seal for cracking or damage.
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REAR AXLE <AWD> - Axle Shaft27-17
I-
Axle housing
MB990938-01
3fe
tiB990931-01
llA0039
MB990641
llN0015
r
- llAQ034llN000711 A0033
llN0008
SERVICE POINTS OF INSTALLATIONM27HOAS
15. INSTALLATION OF INNER BEARINGWith the special tool, press fit the inner bearing onto the
axle housing.
14. INSTALLATION OF OIL SEAL(1) With the special tool, press the oil seal onto the axle
housing with the depression in the oil seal facing
upward, and until it contacts the shoulder on the insideof the axle housing.
NOTE
When tapping the oil seal in, use a plastic hammer to
lightly tap the top and circumference of the special tool,
press fitting gradually and evenly.(2) Apply multipurpose grease to the oil seal lip.
12.
INSTALLATlOkl OF DUST SHIELD
Orienting the dust shield as shown in the illustration, andusing the special tool, press fit the dust shield until it
contacts the axle shaft shoulder.
NOTE
When tapping the oil seal in, use a plastic hammer to lightlytap the top and circumference of the special tool, press
fitting gradually and evenly.
I I. INSTALLATION OF DUST SHIELDWith the special tool, install the dust shield so that the
depression is facing upward.
NOTE
When tapping the oil seal in, use a plastic hammer to lightlytap the top and circumference of the special tool, press
fitting gradually and evenly.
IO. INSTALLATION OF OUTER BEARING
(1) Apply multipurpose grease around the entire circumfer-ence of the inner side of the outer bearing seal lip.
(2) Press fit the outer bearing to the axle shaft so that the
bearing seal lip surface is facing towards the axle shaft
flange.
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27-18REAR AXLE <AWD>- Axle Shaft / Drive Shaft
57-9. INSTALLATION OF REAR ROTOR <VEHICLES WITHA.B.S.>
Press fit the rear rotor to the axle shaft with the rear rotorgroove surface toward the axle shaft flange.
5. INSTALLATION OF SELF-LOCKING NUT
With the special tool, secure the axle shaft and tighten thecompanion flange self-locking nut.
DRIVE SHAFT
REMOVAL AND INSTALLATIONM27JA-
-55-65 Nm
Removal steps4I)
l 4 2. Driveshaft3.
Circlipl *4. Oil sealllNO020
SERVICE POINT OF REMOVAL2. REMOVAL OF DRIVE SHAFT
Using a tire lever, etc. remove the
differential carrier.TSB Revision
drive shaftfrom the
M27JBAE

REAR AXLE <AWD> - Drive Shaft27-19
i
INSPECTIONM27JHAB
lCheck the drive shaft boots for damage or deterioration.l
Check the ball joints for excessive play or check operation.l Check the drive shaft spline for wear or damage.
MB991380llFOO1;
Two-part serration
llAO280
SERVICE POINTS OF INSTALLATIONM27JCAG4. INSTALLATION OF OIL SEAL
(1) If the oil seal is to be replaced because of damage, driveit in by using the special tool.
(2) Apply the specified grease to the oil seal lip.
2. INSTALLATION OF DRIVE SHAFT
CautionI.
Be cautious to ensure that the differential carrier oilseal is not damaged by the drive shaft spline.
2. The right drive shaft for models equipped with the
LSD having a VCU has a two-part serration. Be verycareful to install each one on the correct side.
NOTE
The left and right drive shafts can also be distinguished
from each other by the identification color of boot band
(B.J. side).Drive shaft
LHRH
Boot band (B.J. side)identification colorIWhite
Blue
I
CautionBe sure to thoroughly remove any oil or grease, etc.
from the threaded part of the bolt and nut used for
installation to the companion flange, because any oil,
grease, etc. on these parts might cause later looseningeven though tightening is at the specified torque.
1 TSB Revision1

27-20REAR AXLE <AWD> - Drive Shaft
DISASSEMBLY AND REASSEMBLY
T.J. bootrepair kit
11AO
B.J. boot repair kitllNOO2
B.J. repair kit
11 NO024
T.J.repair kitM27JD-
-
llNOO22Disassembly steps
w1. T.J. boot band (large).e+2. T.J. boot band (small)3. T.J. casea*4. Snap ring** w 5. Spider assembly~II, ** 6. T.J. boot
l +7. B.J. boot band (large)I)* 8. B.J. boot band (small)a’, l *9. B.J. boota*10. B.J. assembly.11. CirclipTSB Revision

REAR AXLE <AWD> - Drive Shaft27-21Lubrication Points
llA0084
11E560
Grease: Repair kit grease
Quantity to use: 135 g (4.76 oz.)
Caution
Apply all of the grease from the repair kit to the joint and boot, a half to each
as a rule.
Special grease is used for the joint. Do not mix old grease with new or mix
different types.
Grease: Repair kit grease
Quantity to use: 125 g (4.41 oz.)
Caution
_ .Apply all of the grease from the
repair kit to the joint and boot, a halfto each as a rule.
Special grease is used for the joint.
Do not mix old grease with new or
mix different types.llN0022
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27-22REAR AXLE <AWD> - ‘Drive Shaft
SERVICE POINTS OF DISASSEMBLYM27JEADI4. REMOVAL OF SNAP RING
/ 5. SPIDER ASSEMBLY
(1) Remove the snap ring from the drive shaft with the d i
snap ring pliers.
(2) Take out the spider assembly from the drive shaft.
(3) Clean the spider assembly.
Caution1. Do not disassemble the spider assembly.
2..If the T.J. of the drive shaft assembly is bent, the
joint may be damaged. Use care in handling the
drive shaft.3. The drive shaft joint use special grease. Do not
add another type of grease.
6. REMOVAL OF T.J. BOOT
/ 9. B.J. BOOT
(I) Wrap vinyl tape around the spline part on the T.J. side ofthe drive shaft so that the T.J. and B.J. boots are not
damaged when they are removed.
(2) Withdraw the T.J. and B.J. boots from the drive shaft.
10. REMOVAL OF GREASE FROM B.J.
Wipe out the grease from the B.J.
CautionDo not disassemble the B.J.h
llKOO7
INSPECTIONM27JFADl Check the drive shaft for damage, bending or corrosion.
l Check the drive shaft spline part 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 or corrosion.l Check the boots for deterioration, damage or cracking.
SERVICE POINTS OF REASSEMBLYM27JGAE9. INSTALLATION OF B.J. BOOT
/ 8. B.J. BOOT BAND
(SMALL) / 7. B.J. BOOT BAND (LARGE) / 6. T.J. BOOT
(1) Wrap vinyl tape around the drive shaft spline.
(2) Insert the drive shaft in B.J. boot, boot bands, T.J. bootin that sequence.
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REAR AXLE <AWD> - Drive Shaft27-23
llK008
1Lever
r,.
:I‘)B.J. boot band: 20 - 74 #BJ95
( T.J. boot band: 20 - 75 #BJ95llKl'=-llE560
HP0124
(3) Fill the inside of the B.J. and B.J. boot with the specified
grease.
Specified grease: Repair kit grease125 g (4.4102.)
Caution
The grease in the repair kit should be divided in halffor use, respectively, at the joint and inside the
boot.A special type of grease is used on the joint. Be
cautious to ensure that not other grease is allowedto come in contact with the joint.
(4) Secure the boot bands.
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 stampedon the lever. Install correct ones at correct
positions.5. INSTALLATION OF SPIDER ASSEMBLY
(1) Apply the specified grease furnished in the repair kit to
the spider assembly.Specified grease: Repair kit grease
(2) Install the spider assembly with the chamfered spline
end first.2. 1. INSTALLATION OF T.J. BOOT BANDS
Set the T.J. boot bands at the specified distance in order toadjust the amount of air inside the T.J. boot, and then
tighten the T.J. boot band securely.
Standard value: 85 + 3 mm (3.35 +
.I2 in.)
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27-24REAR AXLE <AWD>- Differential Carrier
DIFFERENTIAL CARRIER
REMOVAL AND INSTALLATION
M271A. -
Pre-removal and Post-installation Operationl Draining and Filling of Differential Gear Oil
(Refer to Group 00 - Maintenance Service.)l Removal and Installation of Main Muffler
(Refer to Group 15 - Exhaust Pipe and Muffler.)24Nm
17 ft.lbs.
90 Nm65 ft.lbs.4
/lIl8
c/
90 Nm65 ft.lbs.
63
i
i !f%
43 - 51ft.lbs.
90 Nm65 ftlbs.
,55-65Nm40 - 47 fklbs.
22 - 25 ft.lbs.
90 Nm65 ft.lbs.llFO034
Removal steps
a*1. Drive shaft
2. Circlipl * l a3. Propeller shaft connection
4. Differential support assembly
5. Differential support member assembly
6. Rear wheel oil pump installation bolt
l * l *7. Differential carrier
8. O-ring
1 TSB Revision