1989 MITSUBISHI GALANT Service Repair Manual

PROPELLER SHAFT - Specifications/Special Tools/T;oubleshooting25-3
LUBRICANTSMz5ch
Items
Sleeve yoke surface Specified lubricant
Quantity
Hypoid gear oil API classification
GL-4 or As required
higher, SAE 75W-85W
Lobro joint
assembly
Outer and inner races
ball grooves
Rubber packing Repair kit grease
As required
Lobro joint assembly
inner part Repair kit grease
45-55
gt 1.59- 1.94 02)
D.O.J.
2ziib’y
Outer and inner races
ball grooves
Rubber packing Repair kit grease
As required
D.O.J. assembly
inner part Repair kit grease
105-115 g(3.7-4.0 02)
SPECIAL TOOLS
( Tool
NumberName
I Use
MB991 193 PlugPrevention of entry of foreign objects into
the transaxle and transfer
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TROUBLESHOOTING
Symptom
Noise at start Probable cause
Worn journal bearing
Worn sleeve yoke spline Remedy
Replace
Loose propeller shaft installation Retighten
Noise and vibration Unbalanced propeller shaft Replace
at high speed Improper snap ring selection Adjust the clearance
Worn journal bearing Replace

25-4PROPELLER SHAFT - Propeller Shaft
PROPELLER SHAFT
REMOVAL AND INSTALLATION
Removal steps
1. Self locking nut
** 2. Insulator***a 3. Spacerl *4.
Propeller shaft
r
:&I
lOGO
Gear oil: Hypoid gear oil
API classification GL-4 or higher,
SAE 75W-85W
SERVICE POINTS OF REMOVALMEGBAH
3. REMOVAL OF SPACER
The number of spacers used on each vehicle differs. Checkthe number of spacers used and write it down for reference
during reassembly.
4. REMOVAL OF PROPELLER SHAFT
Make mating marks on the differential companion flange
and flange yoke.
Lijbro joint bootL6bro joint assembly
or D.O.J. boot or D.O.J. assembly
I
Caution
1. Remove the propeller shaft in a straight and level
manner so as to ensure that the boot is not damaged
through pinching.
NOTE
Damage to the boot can be avoided, and the work will be
easier, if a piece of cloth or similar material is inserted in the
boot.
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PROPELLER SHAFT - Propeller Shaft25-5
,.\
@Jjiig\ .!’
Lower
UpperSpacer
1060012 2.
3.
4.
Do not lower rear end of the vehicle as the oil will flow
out of the transfer.
Be cautious to avoid damage to the oil seal lip of the
transfer.
Use the special tool provided as a cover to prevent the
entry of foreign objects into the transfer.
INSPECTIONM2SGCAH
l Check the sleeve yoke, center yoke and flange yoke for wear, damage or cracks.
l Check the propeller shaft yokes for wear, damage or
cracks.
lCheck the propeller shaft for bends, twisting or damage.
l Measure the propeller shaft runout
with a dial indicator.
Limit:
Front propeller shaft
0.6 mm (.024 in.) or less
Center propeller shaft0.6 mm (.024 in.) or less
Rear propeller shaft0.6 mm (.024 in.) or less
NOTE
Set the V-blocks as much as possible to the end of the
shaft. Measure deflection at the center of the shaft.
l Check the universal joints for smooth operation in all directions.
l Check
the’center bearing for smooth movement.
l Check the center bearing mounting rubber for damage or
deterioration.
SERVICE POINTS OF INSTALLATIONM25GDAN
3. INSTALLATION OF SPACER/P. INSULATOR
install spacers and insulators as indicated in the illustration.
Caution
When installing the center bearing, assemble the same
spacers as removed from it (or new spacers of equal
thickness).
1 TSB Revision

25-6PROPELLER SHAFT - Propeller Shaft
PROPELLER SHAFT
DISASSEMBLY AND REASSEMBLY160-220
Nm
8W /912116-159 ft.lbs.,
-
-I=------ 30-40
NmZG?~ ft.lbs.
/------d3
rQ”‘ ;+’
4s
.
G
*I4 :
_cw20
13-----lig
Disassembly steps
4I)
l *I, Snap ring+* I)+ 2. Journal bearing,a 3. Journal
4. Flange yoke5. Sleeve yoke
6. Front propeller shaft
l e +47. Lobro joint assembly or D.O.J.
assembly installation bolt+e ~~ 8. Self locking nut
l **+ 9. Center yoke
+* l + 10. Companion flangel + 11. Rubber packing~~ ~~ 12. Center bearing assembly
13. Rear propeller shaft
l 4 14. Snap ring~~ ~~ 15. Lobro joint assembly or D.O.J.
assembly l * 16. Rubber packing+e ++ 17. Boot band
l + 18. LGbro ioint boot or D.O.J. boot 20. Center propeller shaft
--. 160-220
Nm 116-159

ft.lbs. LIbro
joint or D.O.J. kii Universal joint
kit
1917
18161511
1010015
Liibro joint or D.O.J. boot kit1
3
+bf ”
1718 16 11 14
lOAOO161OAOOll
NOTE*:For the Ldbro joint use one grease; for the D.O.J. usetwo greases.
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PROPELLER SHAFT - Propeller Shaft25-7
Grease points
IlOY607 1
Dust sealRubber mount
c&---?/L- Y$!!@Q@@ @q
@Q
/------./
/------’
r-
/------
L&m&r
bl1 i
Inner race ioxoow
’A Inner race ‘“m
vyLc:I racew‘-I3
llAO357107.0037
Grease: Repair kii grease
Grease: ‘Repair kit grease Wbro
joint assembly:45-55 g
(1.59-1.94
oz.]D.O.J. assembly: 105-115
g (3.7-4.0
OZ.]
1 TSB Revision

25-8PROPELLER SHAFT - Propeller Shaft
Journal
YIOCO!
L6bro joint
Ll
SERVICE POINTS OF DISASSEMBLYMZ5GFAKa
1. REMOVAL OF SNAP RING(1) Make mating marks on the yoke and universal joint that is to be disassembled.
(2) 13;e~s~ the snap rings from the yoke with snap ring
2. REMOVAL OF JOURNAL BEARING Force out the journal bearings from the yoke with a general
service tool by the following procedures. @ install the collar to the special tool proper.
@ Press the journal bearing by using the special tool to
force out the journal bearing on the opposite side.
@ Pull out the journal bearing from the yoke.
NOTE
If the journal bearing is hard to remove, strike the yoke
with a plastic hammer.
@Press the journal shaft by using the special tool to force
out the remaining bearings. @ Pull out the journal.
7. REMOVAL OF
LOBRO JOINT ASSEMBLY OR D.O.J.
ASSEMBLY INSTALLATION BOLTS
(I) Place mating marks on the companion flange and Lobro joint assembly or D.O.J. assembly.
(2) Remove the Lijbro
joint or D.O.J. installation bolts and
separate the Lobro joint or D.O.J. from the companion
flange.
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8. REMOVAL OF SELF LOCKING NUT/S. CENTER YOKE/
10. COMPANION FLANGE/lZ.
CENTER BEARING
ASSEMBLY
(1) After placing mating marks on the center yoke and
center propeller shaft, and companion flange and rear
propeller shaft, remove the self locking nuts, then
remove the center yoke and companion flange.
NOTE
Be careful not to damage or deform the dust seals on
center propeller shaft assembly and rear propeller shaft.

PROPELLER SHAFT - Propeller Shaft25-9
I Puller(commercially avaiiabl
Mating marks
(2) After placing mating marks on the center bearing assembly (front) bracket and center propeller shaft, and
the center bearing assembly (rear) bracket and rear propeller shaft, remove the center bearing bracket.
Caution
The mounting rubber cannot be removed from the
center bearing bracket.
(3) Pull out the front and rear center bearings with a
commercially available puller.
15. REMOVAL OF
LOBRO JOINT ASSEMBLY
(1) Remove the Lobro joint boot from the Lobro joint assembly.
(2) Remove the Lobro joint assembly as follows: @ Put mating marks on the outer race, cage and inner
race with a scriber.
@ Remove the outer race and balls.
Caution
Note the positions of balls so that they can be
reinstalled in their original positions. @ Remove the inner race with cage from the center
propeller shaft by using a commercially available
puller.
NOTE
When changing the grease on the Lobro joint
assembly, wipe off the grease and clean the outer
and inner races, cage and balls.
1 TSB RevisionI

25-10PROPELLER SHAFT - Propeller Shaft
Lijbro joint
/assembl
y
10u0010
Inner race
10AOOlS
Lejbro joint boot
Outerrace
/innerrace
(3) If the outer race cannot be removed, remove the
complete Lobro joint assembly from the center prop- eller shaft by using a commercially available puller.
15. REMOVAL OF D.O.J. ASSEMBLY
(1) Remove the D.O.J. boot from the D.O.J. assembly.
(2) Remove the snap ring and then remove the D.O.J. assembly from the center propeller shaft.
(3) When disassembling the D.O.J. assembly to clean, etc., first make mating marks with a scriber on the outer
race, cage and inner race, then remove the circlip
and
disassemble the D.O.J. assembly.
17. REMOVAL OF BOOT BAND
Caution
Be careful not to damage the Liibro joint boot or D.O.J.
boot when the boot band is loosened.
INSPECTION Mi5GCAF
l Check the propeller shaft splines for wear or damage.
l Check the ball grooves in inner and outer races for uneven
wear, damage or rust.
l Check ball surface for rust, wear or other damage.
l Check the cage for rust or damage.
II TSB RevisionI