MITSUBISHI GALANT 1989 Service Repair Manual

339-l 12ACTIVE-ELECTRONIC CONTROL SUSPENSION - :i%rher
DISASSEMBLY AND REASSEMBLYM33MLbA
Disassembly stepsl +
I. Joint** 2. O-ring3. Actuator bracket
mounting nut
4. Actuator bracket
+e I)+ 5. Piston rod tightening nut
6. Washer
7. Upper bushing
(A)I)+ 8. Bracket assembly 9. Spring pad
10, Upper bushing (B)11. Collar
l a 12. Coil spring 13. Shock absorber
I\
cd 1
d~-xi Nm-2m
\
33-40 tt.lbs. w 3
45-55
’a-a?!3Nm -==‘33-40 If+Ihc -5
\
\8
\
‘\ -9 12AO329
MB991237
MB991 239
12LO253
SERVICE POINTS OF DISASSEMBLY hl33MVA8
5. REMOVAL OF PISTON ROD TIGHTENING NUT (1) Compress the
coil spring using the special tool.
Caution
Do not use an air tool to tighten the bolt of the
special tool.
(2) While holding the piston rod, remove the piston rod tightening nut.

Shock AbsorberACTIVE-ELECTRONIC CONTROL SUSPENSION - Assemblv33B-113
seat
12AOO49
, BracketTSB Revision
12AO310
1
O-ring
INSPECTIONM33MOAB
l Check the rubber parts for damage.
lCheck the coil springs for crack, damage or deterioration.
0Check the shock absorber for oil leakage malfunction and
abnormal sound.
SERVICE POINTS OF REASSEMBLY
M33MWAB
12. INSTALLATION OF COIL SPRING (1) Use the special tool (MB991237
and MB991239)
to
compress the coil spring and insert it in the shock
absorber.
(2) Align the edge of the coil spring to the position of the
shock absorber spring seat as shown.
8. INSTALLATION OF BRACKET ASSEMBLY/5.
PISTON
ROD TIGHTENING NUT
(I) With the position of the bracket assembly as shown in the figure, tighten the tightening nut to the specified
torque.
(2) Install the coil spring so that the lower edge fits into
the spring seat groove and the upper edge fits into the
spring pad groove, then remove the special tool
(MB991 237 and MB991 239).
2. INSTALLATION OF
O-RING/l. JOINT
Apply a coating of rubber grease to the O-ring, install it to the joint, and then install to the piston rod.

33B-114 ACTIVE-ELECTRONIC CONTROL SUSPENSION - ~:h%pension
REAR SUSPENSION ASSEMBLYM33GA-A
REMOVAL AND INSTALLATION
50-60 Nm
17-26 Nm 36-43 ftlbs.
12-19
ft.lbs. 2
,
9-14
‘Nm7-10 ftlbs.
Vehicles with A.B.S. 9-14 Nm
7-10 ft.lbs.
12A0366
Removal steps1. Parking brake cable
2. Brake tube and hose bracket
3. Rear disc brake
4. Brake disc
5. Hub cap
l + 6. Flange nut
7. Washer
8. Speed sensor
9. Rear axle assembly
10. Dust shield 200-260
Nm
12A0355
%I*Removal of Trunk Room Srde Tnm
Post-installation Operationl installation of Trunk Room SideTrim. (Refer to GROUP 52-Trims.)l Check the Brake Disc Runout, andAdjust.(Refer to GROUP
35-ServiceAdjustment. Procedures.)l Check the Rear Disc Brakes Drag-ging Torque, and Adjust.(Refer to GROUP
35-ServiceAdjustment Procedures.)achecking Parking Brake LeverStroke.(Refer to GROUP
36-ServiceAdjustment Procedures.)@Check the Rolling Diaphragm forDouble-folding.(Refer to P.33B-89.)
TSB Revision

ACTIVE-ELECTRONIC CONTROL SUSPENSION - ~~%f;pension 33B-115
Removal
8-10 Nm
loo-120 Nm*72-87 ftlbs.’
steps
l * 11.Air tube12.Joint13.O-ring14.Bush15.Actuator connector
40-50 Nm
29-36
fi*‘v’g
SO-100
Nm*
58-72 ft.lbs.*
I
18
12AO337
16.Actuator17.Rear heiaht sensor rod mounting bolt (1989 models)
::**+*
17-l.Rear height sensor rod mounting nut
(From 1990 models)18.Lateral rod mounting bolt (body side)
19.Shock absorber upper mounting nuts20.Trailling arm mounting bolts21. Rear suspension assembly
NOTE *: Points marked with an asterisk shoud first be tightened
provisionally, then tightened fully when the vehicle is
empty.
1989 models
-From 1990 models
17-26 Nm12-19 ftlbs. 17
12AoG37
SERVICE POINTS OF REMOVAL
M33GBBE
18. REMOVAL OF LATERAL ROD MOUNTING BOLT (BODY SIDE)
(1) Remove the lateral rod from the body.
(2) Secure and hold the lateral rod to the axle beam with wire, etc.
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33B-116 ACTIVE-ELECTRONIC CONTROL SUSPENSION - z%rension
‘3.
Apply rubber grease
1Paint
Install at the shockabsorber side.
12A0327
19. REMOVAL OF SHOCK ABSORBER UPPER MOUNTING
NUTS/PO. TRAILING ARM MOUNTING
BOLTS/Zl.
REAR SUSPENSION ASSEMBLY
(1) Jack up the torsion axle and arm assembly in order to raise it slightly.
Caution 1. Always insert a wooden block between the jack receptacle and the axle beam and place the jack
at the centre of the axle beam.
2. Make sure that the jack does not contact the lateral rod.
(2) Remove the shock absorber mounting bolts and the trailing arm mounting bolts.
(3) Lower the jack slowly, and then remove the rear
suspension assembly.
INSPECTION
M33GCBC
l Check the trailing arm and axle beam for deformation or
damage.
l Check the torsion bar for damage.
l Check the lateral rod for damage or deformation.
l Check the bushings for cracking, deterioration, or unusual
wear.
BUSHING REPLACEMENT
TRAILING ARM BUSHING
Refer to
P.33B-121.
LATERAL ROD BUSHINGRefer to
P.33B-118.
SERVICE POINTS OF INSTALLATIONM33GDSC
11. CONNECTION OF AIR TUBE
(1) After applying a coating of rubber grease to the O-ring, install the O-ring, bush and joint at the shock absorber
assembly side.
Caution
1. The O-ring may be damaged if it is installed at the air tube side when the connection is made.
2. The bush must be installed so that the projec- tion part is facing in the direction indicated in
the illustration.
(2) First insert the air tube until resistance is felt, and then push in the tube until the painted place on the air tube.
Caution
Air leakage may occur if the air tube
connectYon is
not complete and secure.
1 TSB RevisionI

ACTIVE-ELECTRONIC CONTROL SUSPENSION - ii%%;%% god 336417
12AOO88
LATERAL ROD
REMOVAL AND INS
TALLATION
i
80-100
Nm*
‘3J@a-

-
58-72 ft.lbs.*
6. INSTALLATION OF THE FLANGE NUT
After tightening the flange nut, align with the indentationin the spindle, and crimp.
MBJUA-A
6’ rrom IJJU mooers1989 models
9-14Nms 7v7-10 ft.lbs.12A0602
Removal steps
*I)111.Rear height sensor rod mounting bolt (1989 models)
Rear height sensor rod mounting nut (From 1990 models)
l
+ 2.Rear height sensor bracket mounting
bolt
3.Rear height sensor bracket B4.Rear heigh sensor bracket A
::Spacer Lateral rod mounting bolt (body side)
++ 7. Lateral rod mounting bolt (axle beamNOTEside)+: Points marked with an asterisk should first be tightenedLateral rod
provisionally, then tightened fully when the vehicle is9.Lateral rod bushingempw.
TSB Revisio
n
I

33B-118
ACTIVE-ELECTRONIC CONTROL SUSPENSION - Lateral Rod
1989 modelsSERVICE POINTS OF REMOVAL M22UB6A
1. REMOVAL OF REAR HEIGHT SENSOR ROD
NOTE
If anything other than the rear height sensor rod mounting
bolt are removed, the height sensor installation dimension
must be readjusted so remove other parts only when
absolutely necessary.
\
12A0600
From 1990 models
-f
--_
(-_ \
41
L-r12A0601
MB990947-01-4 12R0142
Lateral rod
mounting bolt
IIIAxle beam
12Ao322
Move the height sensor bracket so that the displa
y
dimensions assume the standard values, then secure the bracket in place with the height sensor bracket mounting
bolts.
Standard value (L):
315&l mm (12.4k.04 in.)
Bolt centre
;’Bracket left edge surface,
TSB Revision INSPECTION M22UCAA
l Check lateral rod for damage and deformation.
l Check each bushing for cracks, deterioration and wear.
LATERAL ROD BUSHING REPLACEMENT
WUEAA
(1) Drive out the lateral rod bushing using the special tools.
(2) Press in the bushing using the special tools so that the amount of projection is equal at the left and right.
SERVICE POINTS OF INSTALLATION M22UDAA
7. INSTALLATION OF LATERAL ROD MOUNTING BOLT (AXLE BEAM SIDE)
Install the lateral rod mounting bolt from the direction
shown in the illustration.
2. ADJUSTMENT OF REAR HEIGHT SENSOR BRACKET MOUNTING BOLT

Torsion Axle andACTIVE-ELECTRONIC CONTROL SUSPENSION - Arm Assemblv33B-119
TORSION AXLE AND ARM ASSEMBLYMSPA-A
F
{EMOVAL
AND INSTALLATION
17-26 Nm
._. _.T-10 ftlbs.
12AO355
Vehicles with A.B.S.
9-14 Nm
7-10 ftlbs.
I
12AO356
1
Removal steps
1. Parking brake cable
2. Brake hose and tube bracket
3. Rear disc brake
4. Rear brake disc
5. Hub capea 6. Flange nut
7. Washer
8. Speed sensor
9. Rear axle assembl
y
IO. Dust shield
1 TSB Revision
Post-installation Operationl Check the Brake Disc Runout, and
Adiust.I(Refer to GROUP 35-ServiceAdjustment Procedures.)
NIheck
the Rear Disc Brakes Drag-
ging Torque, and Adjust.(Refer to GROUP 35-ServiceAdjustment Procedures.)l Checking for Parking Brake Lever
Stroke.
(Refer to GROUP 35-ServiceAdjustment Procedures.)

33B-120 ACTIVE-ELECTRONIC CONTROL SUSPENSION - Z%iZky8”d
11. Rear height sensor rodmounting bolt or nut
~~ 12. Lateral rod mounting bolt
13. Shock absorber mounting bolts 17-26 Nm
a*12-19 ftlbs.*I)14. Trailing arm mounting bolts
4*15. Torsion axle and arm assembl

y
(1989 models)
(From 1990 models)
loo-120 Nm*
72-87 ft.lbs.*A‘g0loo-120 Nm*
72-87 ft.lbs.*
VOTE*:Points marked with an asterisk should first be tightenedprovrslonally. then tightened fully when the vehicle isempty.
SERVICE POINTS OF REMOVALM33PaAF
13. REMOVAL OF SHOCK ABSORBER MOUNTING BOLTW14.
TRAILING ARM MOUNTING BOLTW15.
TORSION AXLE AND ARM ASSEMBLY
(1) Jack up the torsion axle and arm assembly in order to raise it slightly.
Caution
1.Always insert a wooden block between the jack receptacle and the axle beam and place the jack
at the centre of the axle beam.
2. Make sure that the jack does not contact the lateral rod.
(2) Remove the shock absorber mounting bolts and the trailing arm mounting bolts.
(3) Lower the jack slowly, and then remove the torsionaxle and arm assembly.
INSPECTION
M22PcAE
l Check the trailing arm and axle beam for deformation or
damage.
l Check the torsion bar for damage.
TSB Revision

Torsion Axle andACTIVE-ELECTRONIC CONTROL SUSPENSION - Arm Assembly33B-121
hive outMB991 159ABase
cRacy , )*surface, n Arfor ’
Nut Bearing‘- I
I
u 12LO246‘ressure insertionMB991 159
Base
\ArboraceI
Be’aring
12L0247
CROSS SECT. A-A
Chamfered side
12AO403
Lateral rodmounting bolt
IIIAxle beam
12AOO88 TRAILIN%
ARM BUSHING REPLACEMENT
WPEM
(1) Drive out and press in the arm bushing using the special
tool.
Caution Mount the bearing of the special tool so that the race
surface faces toward the nut.
(2) Press in the bushing from the chamfered side onto the trailing arm so that the hole is in position as shown.
(3) Press in the bushing so that the amount of projection is uniform throughout.
SERVICE POINTS OF INSTALLATION
M33PDAB
12. INSTALLATION OF LATERAL ROD MOUNTING BOLT Install the lateral rod mounting bolt from the direction
shown in the illustration.
6. INSTALLATION OF THE FLANGE NUT After tightening the flange nut, align with the indentationin the spindle, and crimp.
TSB Revision