1900 MITSUBISHI DIAMANTE brake light

DRIVETRAiN 7-15
MATING MARKS
/
89577Q5E Fig. 52 Apply mating marks on the flange
yoke and differential companion flange
5. Once all bearings are removed, remove the
journal.
To install:
6. Apply multi-purpose grease to the shafts,
grease sumps, dust seal lips and needle roller bear-
ings of the replacement U-joint Do not apply exces-
sive grease Otherwse, faulty fitting of bearing caps
and errors in selection of snaprings may result.
7. Press fit the journal bearings to the yoke using
a C-clamp as follows:
a. Install a solid base onto the bottom of the
C-clamp.
b. Insert both bearings into the yoke. Hold
and press fit them by tightening the C-clamp.
c. Install snaprings of the same thickness
onto both sides of each yoke.
d. Press the bearing and journal into one side, using a brass bar with diameter of 0.59 in.
(15mm).
8. Measure the clearance between the snapring
and the groove wall of the yoke with a feeler gauge. If
the clearance exceeds 0.0008-0.0024 in.
(0.02-O.O6mm), the snap rings should be replaced.
DRIVESHAFT BALANCING
Driveshaft balancing is a process best left for a
professional wrth the proper equipment. Makeshift
methods using hose clamps or similar devices can
work, but the process of correcting the imbalance in
this manner is very tough and extremely time con-
suming.
Many machine shops can balance driveshafts;
some parts stores and jobbers can also balance dri-
veshafts using outside contractors.
REMOVAL&INSTALLATION
1. Place matmg marks on the companron flange
and the Lobro joint assembly
2. Remove the Lobro joint installation bolts.
Separate the Lobro joint from the companion flange.
3. Place mating marks on the center yoke and
center propeller shaft, and the companion flange and
the rear propeller shaft.
4. Remove the self-locking nuts. Remove the
center yoke and companion flange. 5. Place mating marks on the center bearing as-
sembly front bracket and the center propeller shaft,
and the center bearing assembly rear bracket and the
rear propeller shaft. Remove the center bearing
bracket.
*The mounting rubber can not be removed
from the center bearing bracket.
6. Pull out the front and rear center bearings
with a commercially available puller
To install:
7. Apply multi-purpose grease to the center
bearing front and rear grease grooves and to the dust
seal lip Be sure to fit the bearing into the rubber
mount groove on the center bearing bracket.
*Face the bearing dust seal to the side of
the center bearing bracket mating mark.
8. Assemble the center bearing to the center
propeller shaft and rear propeller shaft. Face the side
onto which the center bearing bracket mating marks
IS placed and the dust seal is installed toward the
side of the center propeller shaft and rear propeller
shaft.
9 Apply a thin and even coat of the grease, en-
closed with the repair kit, to the rubber packing on
the companion flange. Align the mating marks on the
center propeller shaft and the companion flange, then
press fit the center bearing with self-locking nuts.
10 Install the Lobro joint assembly installation
bolts. Secure the companron flange and Lobro joint
assembly with the installation bolts Check for grease
leakage from the Lobro joint boot and companion
flange installabon parts.
The only model covered by this manual equipped
with a rear axle differential is the 1990-93 AWD
Galant.
REMOVAL &INSTALLATION
# See Figures 53 and 54
1. Disconnect the negative battery cable. Raise
the vehicle and support safely.
2. Remove the bolts that attach the rear halfshaft
to the comoanion flanae.
3. Use’a prybar topry the inner shaft out of the
I Fig. 53 Rear driveshaft mounting
89577g5
differential case. Don’t insert the prybar too far or the
seal could be damaged.
4 Remove the rear driveshaft from the vehicle.
5. If necessary, carefully pry the oil seal from the
rear differential using a flat tipped prying tool.
To install:
6. Install a new oil seal into the rear differential
housing using proper size driver.
7. Replace the circlip and install the rear drive-
shaft to the differential case. Make sure it snaps in
place.
8. Install the companion flange bolts and tighten
to 40-47 ft. Ibs. (55-65 Nm).
9. Check the fluid level in the rear differential.
69577958 Fig. 54 Remove the driveshaft from the dif-
ferential carrier with a prybar
REMOVAL &INSTALLATION
1. Disconnect the negative battery cable.
2. Raise and support the vehicle safely.
3 Remove the tire and wheel assembly from the
vehicle.
4 If equipped with ABS, remove the rear wheel
speed sensor.
*Be cautious to ensure that the tip of the
pole piece on the rear speed sensor does not
come in contact with other parts during re-
moval. Sensor damage could occur.
5. Remove the rear caliper and support assem-
bly out of the way. Remove the brake disc.
6. Remove the driveshaft and companion flange
installation bolts, nuts and washers. Move the end of
shaft slightly to access the self-locking nut.
7. Using axle holding tool MBSbll-01 or
equivalent, secure the rear axle shaft in position, then
remove the self-locking nut.
8. Using puller and adapter MBSbll-01 and
MB9b41-01 or equivalents, remove the rear axle
shaft from the trailing arm
9. If equipped with ABS, remove the rear rotor
from the axle assembly using collar and press. The
rotor is a press fit.
10 Remove the outer bearing and dust cover
concurrently from the axle shaft using a press.

.
7-16 DRIVETRAIN
11. Using puller, remove the oil seal and inner 18. While holding the rear axle shaft in positron
bearing from the trailing arm. using holding fixture tool MB9g67-01 or equivalent,
12. Inspect the companion flange and axle shaft tighten a new self-locking nut to 159 ft. Ibs. (220 Nm).
for wear or damage. Inspect the dust cover for defor- 19. Install the drive shaft nuts, washers and bolts.
mation or damage. Inspect the bearings for burning Tighten to 40-47 ft. Ibs. (55-65 Nm).
or declaration. Replace components as required 20. Install the rear brake disc, caliper assembly
To install: and parking brake.
13. Using the proper driver, press fit the inner
bearing onto the trailing arm. Press fit the oil seal
onto the trailing arm with the depression in the oil
seal facing upward, and until it contacts the shoulder
on the inner arm. 21. Install the tire and wheel assembly and lower
the vehrcle. Check the parking brake stroke and ad-
just as required.
22. Before moving the vehicle, pump the brakes
until a firm pedal is achieved.
*When tapping the oil seal in, use a plastic
hammer to lightly tap the top and circumfer-
ence of the seal installation tool, press fitting
gradually and evenly.
14. Press fit the dust covers onto the axle until it
contacts the axle shaft shoulder. Install the innermost
cover so the deDression is facino
UDWard.
REMOVAL &INSTALLATION
1. Raise the vehicle and support safely.
2. Matchmark the driveshaft and comoanion . ,
*When tapping the oil seal in, use a plastic
hammer to lightly tap the top and circumfer-
ence of the seal installation tool, press fitting
gradually and evenly. flange and remove the shaft. Don’t let it hang from the
transaxle. Tie It up to the underbody.
3. Hold the companion flange stationary and re-
move the large self-locking nut in the center of the
comoanion flanoe.
15. Apply multi-purpose grease around the entire 4: Using a Gller, remove the flange. Pry the old
circumference of the Inner side of the outer bearing seal out.
seal lip. Press fit the outer bearing to the axle shaft so
To install: that the bearrng seal lip surface is facing towards the 5. Apply a thin coat of multi-purpose grease to the
axle shaft flange. seal lip and the companion flange seal contacting sur-
16. Press fit the rear rotor to the axle shaft with face. Install the new seal with an appropriate driver.
the rear rotor groove surface towards the axle shaft 6. Install the companion flange. Install a new lock-
flange. nut and torque to 116-159 fl Ibs. (157-220 Nm). The
17. Install the rear axle shaft to the trailing arm rotation torque of the drive pinion should be about 4
temporarily. Install the companion flange to the rear inch Ibs. for new or reused, oiled bearings
axle shaft, then install a new self-locking nut. 7. Install the driveshaft.
REMOVAL &INSTALLATION
1. Raise the vehicle and support safely.
2. Drain the differential gear oil and remove the
center exhaust pipe.
3. Matchmark and remove the rear driveshaft.
4. Remove the rear halfshafts.
5. Remove the center exhaust pipe and muffler
assembly, as required.
6. Remove or disconnect the 4 wheel steering
oil pump.
7. The large mounting bolts that hold the differ-
ential carrier support plate to the underbody may use
self-locking nuts. Before removing them, support the
rear axle assembly in the middle with a transaxle
jack. Remove the nuts, then remove the support
plate(s) and the square dynamic damper from the rear
of the carrier.
8 Lower the differential carrier and remove from
the vehicle.
To install: 9. Raise the rear differential carrier into position
and install support member bolts. Install new lock-
nuts on all support bolts.
10. Install the 4 wheel steering oil pump.
11. Install new circlips on both rear driveshafts
and install.
12. Install the propeller shaft.
13. Install the center exhaust pipe and muffler.
14. Lower the vehicle.
15. With the vehicle level, fill the rear differential.
TORQUE SPECIFICATIONS Components English
Automatic Vansaxle-toengme mountrng bolts
Diamante models 54ft Ibs.
1990-92 Mrrage 3140ft Ibs.
199390 Mrrage 35ft Ibs.
1990-93 Galant 32-39 ft Ibs.
199400 Galant 35ft Ibs.
Axle hub nuts 145-188 ft tbs
Back-up lamp swatch 22-25 ft Ibs.
Clutch release fork fulcrum 25ft Ibs
Driveshaft-to-rear drfferentral flange bolts 22-25 fl lb?..
Driveshaft center bearrng support bracket mountrng nuts 22-25 fl. Ibs.
Halfshaft center bearing support bracket 33ft Ibs.
Manual transaxle-toengrne mountrng bolts
1990-92 Mtrage 3140 ft. Ibs.
1993-00 Mrrage 35 ft. Ibs.
1990-93 Galant 32-39 fl I bs.
199400 Galant 35ft Ibs.
Manual transaxle lower coupling bolt 22-25ft Ibs
Manual transaxle mount retaining nuts 32ft Ibs.
Manual transaxle mount through-bolt 51 R Ibs.
Park/neutral safety swatch retainrng bolts
1990-97 Mrrage and 1990-93 Galant 76 ft. Ibs
1994-00 Galant and 199600 Mirage afl Ibs
Dramante models
78 fl. Ibs
Pinion nut
116-159fl lb?..
Pressure plate-to-flywheel bolts
1994-98 Galant
14ft Ibs.
/
All other models 16ft Ibs.
Rear halfshaft-tocompanron flange bolts 4047ft Ibs.
Stub axle shaft hub nut 159n Ibs.
Throttle valve cable mounting nut 7-10 ft. Ibs.
Torque converter-todnveplate bolts 34-38 n. ibs
Transfer case-to-transaxle mounttng bolts
Manual transaxle
4043n Ibs.
Automatic transaxle
43-58 ft. Ibs. Metric
75 Nm
43-55 Nm
48 Nm
43-55 Nm
48 Nm
200-260 Nm
30-35 Nm
35 Nm
30-35 Nm
30-35 Nm
45 Nm
43-55 Nm
48 Nm
43-55 Nm
48 Nm
30-35 Nm
40 Nm
69 Nm
IO-12 Nm
11 Nm
IO-12 Nm
157-220 Nm
19 Nm
22 Nm
5565 Nm
220 Nm
lo-14 Nm
46-53 Nm
5560 Nm
60-80 Nm
93157co1

.
SUSPENSION AND STEERING 8-21
1 nents Q3158!@3 1990-92 Mirage rear suspension compo-
1992-96 Diamante w/out 4 wheel steering
rear suspension components
1 ponents %” 1997-00 Diamante rear suspension corn
REMOVAL & INSTALLATION
Diamante
1. Disconnect the negative battery cable.
2. Raise and properly support vehicle.
3. Remove both rear wheels. !
4. Support the lower control arm with a jack.
5. Matchmark the positioning of the upper
spring plate to the vehicle for reinstallation purposes.
6. If equipped with Active Electronic Control
Suspension (Active-ECS), perform the following:
a. Loosen the nut that secures the air line to
I
93158QM 1990-93 Galant rear suspension compo-
nents
1992-96 Diamante with 4 wheel steering
rear suspension components
the to the top of the strut and discard the O-ring.
b. Remove the bolts that secure the actuator
to the top of the strut and remove the compo-
nent Disconnect the wiring harness.
7. Remove the shock absorber lower mounting
bolt and remove the two nuts that secure the shock
upper plate to the vehicle.
8. Lower the support jack and remove the shock
from the vehicle.
To install:
9. Position the uooer sprina elate and install the
strut. Use the support’jack to as% with installation.
10. Tighten the upper strut mounting nuts to 33
ft. Ibs. (45 Nm).
11. Tighten the lower strut mounting bolt to 71 ft.
Ibs. (98 Nm).
12. If equipped with Active-ECS perform the fol-
lowing:
a. Using a new O-ring, tighten the nut that
secures the air line to the to the top of the strut
to 84 inch Ibs. (9 Nm).
b. Install the actuator to the top of the shock
absorber and secure with mounting bolts. Con-
nect the wiring harness.
13. Remove the support jack, install wheels and
lower vehicle.
14. Connect the negative battery cable.
1990-93 Galant
FWD MODELS
*The strut assembly Is a load bearing com-
ponent, therefore the vehicle chassis and axle weight must be supported separately,
requiring the use of two separate lifting de-
vices.
1. Disconnect the negative battery cable.
2. Raise and support vehicle chassis.
3. Raise and support torsion axle and arm as-
sembly slightly. Make sure the jack does not contact
the lateral rod.
*Always use a wooden block between the
jack receptacle and the axle beam. Place the
jack at the center of the axle beam.
4. Remove the trunk interior trim to gain access
to the top mounting nuts.
5. If equipped with Active-ECS, perform the fol-
lowing steps:
a. Label and disconnect the air tubes from the
shock absorber.
*Immediately plug or cap the lines with
tape or similar product to prevent the entry of
dirt into the system. Do NOT bend or crimp
the air tubes. Plug or cover the air ports on
the joint and actuator.
b. Remove the O-ring and bushing.
c. Remove the actuator assembly.
6. Remove the top cap and upper shock mount-
ing nuts.
7. Remove the strut lower mounting bolt and re-
move the assembly from the vehicle.
To install:
8. Position the strut assembly so that the lower
mounting bolt can be installed and lightly tightened.
9. Use the jack to raise or lower the axle assem-
bly so that the top strut plate studs aligns through the
body. Raise the jack to hold the strut assembly in po-
sition
10. Install the top plate nuts on the studs. Tighten
the upper shock mounting nuts to 29 It. Ibs. (40 Nm).
11. With the car on the ground, tighten the lower
mounting bolt to 72 ft. Ibs. (100 Nm).
12. If equipped with Active-ECS, assemble the
actuator components in the following order:
a. Install the adapter to the mounting bracket.
b. Using new O-rings, connect the air line to
the actuator, Tighten the locknuts to 6 ft Ibs. (9
Nm).
c. Swab the air connectors with a solution of
soapy water. Start the engine, cycle the suspen-
sion controls and observe the joints for any sign
of air leaks.
13. Install top cap and interior trim.
AWD MODELS
1. Disconnect the negative battery cable.
2. Raise and support vehicle chassis.
3. Raise and support trailing arm assembly
slightly.
4. Remove the trunk interior trim to gain access
to the top mounting nuts.
5. Remove the top cap and upper shock mount-
ing nuts.
6. Remove the brake tube bracket bolt.
7. Remove the shock lower mounting bolt and
remove the assembly from the vehicle.
To install:
8. Position the strut assembly so that the lower
mounting bolt can be installed and lightly tightened.
9. Use a jack to raise or lower the trailing arm,
so that the top strut plate studs aligns through the

8-24 SUSPENSION AND STEERING
9315t$M 93158p26 Fig. 68 Remove the through-bolt connecting Fig. 70 Disconnect the ball joint stud from
the knuckle assembly to the lower control the steering knuckle
1 arm
Fig. 71 Remove the mounting bolt connect-
Fig, 89 Remove the mounting bolt connect- /
1 ing the toe lower control arm to the SW
Dolt. 9; Connect the knuckle to the lower control arm 9. With the full weigh
ground, tighten the control
and lightly tighten the through-bolt.
10. Connect the stabilizer bar link to the control
arm and tighten the nut to 28 ft. Ibs. (39 Nm).
11. Install the wheels and lower the vehicle to the
floor.
12. Once the full weight of the vehicle is on the
suspension, tighten the lower arm mounting bolt nuts
to 71 ft. Ibs. (98 Nm).
13. Check rear wheel alignment and adjust if nec-
essary.
TOE LOWER CONTROL ARhl
ti See Figures 70 and 71
The lower ball joint is integral with the lower toe
control arm. They are removed and replaced as an
assembly.
1. Raise and support the vehicle safely.
2. Remove the appropriate wheel assembly.
3. Matchmark the control arm adjusting bolt to
aid in reassembly.
4. Using joint separator MB991113, disconnect
the ball joint stud from the steering knuckle.
5. Remove the mounting bolts connecting the
lower control arm to the suspension crossmember. %--56 ft. ibs. (
10. Check
essay. rem an0 aajusr
II nec-
orl vehicle Remove
ldiustina bolt to aid
soen- Diamante
1, Raise and properly supp
appropriate whl
eel assembly.
2. Matchn
narkthe camber a , _
in reassembly.
3. On vehicles equipped with Active Su r
sion, disconnect the ECS height sensor rod from
lower arm.
4. Support trailing arm assembly and remove
the self-locking nut connecting the lower arm to the
trailing arm.
5. Disconnect the lower arm at the rear sub-
frame. Remove the arm assembly.
To install:
6. Connect the control arm to the rear cross-
member. Alion matchmarks and liahtlv tiohten.
7. Connect the control arm tothe trailing arm
and tighten the self-locking nut to 54-P e rho I I IL IY.J.
(75-89 Nm). 8. Connect the ECS height sensor rod to the
lower arm, if equipped.
9. Install wheel and lower vehicle.
IO. With the full weight of the vehicle on the
ground, tighten the control arm to rear crossmember
bolt to 54-61 ft. Ibs. (75-89 Nm).
11,
Check rear wheel alignment and adjust if nec-
essary
1996-93 Galant
1, Raise and safely support the vehicle securely
on jackstands.
2. Remove the wheel and tire assembly.
3. Remove the brake drum or rotor.
4. Remove the hub and bearing assembly.
5.
Support the rear axle using a jack or other
suitable device.
6. Remove the lower shock absorber-to-trailing
arm connection.
7. Remove the trailing arm-to-axle connection.
REMOVAL & INSTALLATION
(80-100 Nm).
12.
Remove the axle suooort device.
on jackstands.
2. Remove the wheel and tire assembly.
3. Remove the brake drum or rotor.
4. Remove the hub and bearing assembly.
5.
Support the rear axle using a jack or other
suitable device.
6. Remove the lower control arm-to-trailing arm
connection.
7. Remove the upper link-to-trailing arm con-
nection.
8. Remove the trailing arm-to-body mounting
through-bolt and remove the trailing arm.
To install:
9.
Install the trailing arm and install the trailing
arm-to-body mounting through-bolt. Tighten the bolt
to 72-87 ft. Ibs. (100-120 Nm).
10. Install the upper link-to-trailing arm connec-
tion. Tighten the bolt to 65 ft. Ibs. (90 Nm).
11. Install the lower control arm-to-trailing arm
connection. Tighten the bolt to 65 ft. Ibs. (90 Nm).
12. Remove the axle support device.
13. Install 1 he hub and bearing assembly.
14 Install 1
. _ .he brake drum or rotor.
15.
Install the wheel and tire assembly.
16. Lower the vehicle.

SUSPENSION AND STEERING 8-25
1994-00 Galant and 1997-00 Diamante
4. Remove the retainer bolts and the stabilizer
..- 8, Loosely in”,“,, +I?,, r+&,il;7nr kn- h.~r.l,,d” -..
1. Raise and safely support the vehicle securely he bushing.
the vehicle.
on jackstands.
7er hnr with FI wmnph Remnun (1 Alinn th
2. Remove the wheel and tire assembly.
3. Support the rear axle using a jack or other
suitable device.
4. Remove the trailing arm-to-knuckle connec-
tion,
5. Remove the trailing arm-to-body mounting
n~~““yll-““!~ (1II” fWll”“C LllG llcllllll$j a,,,,. To install:
6. Install the trailing arm and install the trailing
arm-to-body mounting through-bolt. Tighten the bolt
to 99-114 ft. Ibs. (137-157 Nm).
7. Install the trailing arm-to-knuckle connection. Dar brackets. Hemove t
5. Hold the stabilL_. __. . . _ . .._..“... ..I . .._._
the self-locking nut.
6. Once the stabilizer bar nut is removed, re-
move the joint cups and stabilizer rubber bushing.
7. Hold the stabilizer link with a wrench and re-
move the self-locking nuts. Remove the stabilizer
link.
8. Lower the jack supporting the rear axle
in a slight gap between the rear sus-
? body of the vehicle.
! the stabilizer bar.
IL_ L__ I__ _)----- .-- .-J JAI.... slightly. Mainta
pension and thf
9. Remow
10. Inspect LIIB uar 101 uamage, wear ana aereno-
ration and replace as required.
-Fe c--a-...
1 IIIJMII UK 3La”III‘w “ill “lduKm “II
“. , ,,LY,, ,,ie side locating markings on the stabi-
lizer bar, so that the marking on the bar extends ap-
proximately 0.39 inches (1Omm) from the outer edge
of the mounting bracket, on both sides.
10. With the stabilizer bar properly aligned,
tighten the mounting bracket bolts to 28 ft. Ibs. (39
Nm).
11. Connect the stabilizer links to the damper fork
andihe stabilizer bar. Tighten the locking nuts to 28
ft. Ibs. (38 Nm).
12. Lower the vehicle and connect the negative
8.. Ia
mery came.
Tighten the bolt to 85-99 ft. Ibs. (118-137 Nm).
nemove me axle suppon
9. Install the wheel and tire
10. Lower the vehicle. aewce.
assembly.
I 0 Insran: 11, Install the stabilizer bar into the vehicle. Raise
the rear axle and suspension into place.
12. Install the stabilizer link into the stabilizer ba
Ir
ADJUSTMENT anfi indc4ll 33 ft. Ibs. (45 Nm).
13. Install the ioint __-_ _.._ __
1. Raise and safely support the vehicle securely the link. Ins’
..I.,
Mlhiln hnlrii, tall a rkW self~locking n
lll~llG llUlulng the stabi” ” ’ ’ ’
wrench, tighten the self,
of the stabilizer link is v
ihe hub and bearing assembly.
5. Support the rear axle using a jack or other
suitable device.
6. Remove the lower shock absorber-to-trailing
arm connection. ocking nut. Tighten the nut to
ClrnC 2nd ?$bilizer rubber to
ut onto the link.
nzer nnK oall studs with a
-locking nut so the protrusion
within 0.354-0.433 in.
I stabilizer bar bushings,
>+nn thn hnk In -I A u (9-llmm).
14. Install the cente
brackets and bolts. Tiqt Mirage
*Never disassemble the rear hub bearing.
The wheel bearing is serviced by replace-
ment of the hub.
1. Raise and safely support the vehicle.
2. Remove the rear wheel.
3. Remove the caliper and brake disc of brake 1992-96 biamante
on IacKsranos.
2. Remove the wheel and tire assembly
3, Remove thn hralm rntnr 4. Remove1
7. Remove the stabilizer bar link-to-trailing arm
connection.
8. Remove the tie rod end-to-trailing arm con-
nection.
9. Remove the lower control arm-to-trailing arm
connection.
10. Remove the trailing arm-to-body mounting
through-bolt and remove the trailing arm. Nm).
15. Install the parking
sensor installation bolt.
, , I oraxe cat * ale ar
member bracket and tighten
i Nm). Tighten the crossmem-
A to 94 ft. Ibs. (130 Nm). 16. Install the cross
the bolt to 61 ft. Ibs. (8!
ber bracket mounting nl
17. Install the rubbe
locking nuts onto the cro:
the nuts to 80-94 fl. Ibs. (
18. Lower the vehicle. id rear speed drum.
4. Remove the dust cab and tighten the flange ll”, *lb+ to 130 ft. Ibs. (180 Nm).
5. Using a dial indicator, measure wheel bear-
!r insulators and new seif-
ismemoer ’ brackets. Tighten
[110-130 Nm). ing end-play. The maximum limit for end-play is
o.oc-- ‘^ -- rzu mcnes (u.usmm).
arol
tanc
sisk 6. Using a spring scale and a rope wrapped
md the bolts, measure the rotary sliding resis-
e of the bearing/hub. The maximum limit for re-
mce is 4 Ibs. (19 N).
7. If any of the readings exceed the specifica-
To install:
11. Install the trailing arm and install the trailina Diamante and 1994-98 Gal&i
t tions, replacement of the hub is required.
8. Install the dust cap.
9. Install the brake disc and caliper, or brake
negative battery ( sble.
;“I,-.
I support the vbhlblG.
stabilizer links by removing
Alizer bar mounting brackets
from the vehicle.
lonents for wear or damage,
ded. drum.
10. Install the rear wheel assembly and lower the
vehicle to the floor.
*
1990-93 Galant
*Vehicles equipped with rear disc brakes
use a sealed hub and bearing assembly,
which requires no adjustment. Drum brake
models are
adjusted using the following pro- arm-to-body mounting through-bolt. Tighten the bolt
to 101-116 ft. Ibs. (140-160 Nm). ) See Figure 72
12. Install the trailing arm-to-lower control arm
1. Disconnect the I
connection. Tighten the bolt to 101-116 ft. Ibs.
(140-160 Nm). 2. Raise and safely
13. Install the tie rod end-to-trailing arm connec- 3. Disconnect the I
tion. Tighten the nut to 21 ft. Ibs. (29 Nm). the self-locking nuts.
14. Install the stabilizer bar link-to-trailing arm 4. Remove the stat
connection. Tighten the nut to 29 ft. Ibs. (40 Nm). and bushings.
15. Install the lower shock absorber-to-trailing
5. Remove the bar
arm connection. Tighten the bolt to 65 ft. Ibs. (90 6. Inspect all comr
. and replace parts as nee
Nrn).
16. Remove the axle support device.
17. Install the hub and bkaring assembly,
18. Install the brake rotor.
19. Install the wheel and tire assembly.
20. Lower the vehicle.
REMOVALANDINSTALLATION
1990-93 Gaiant
1. Raise and support the vehicle safely.
2. Place a jack under the rear axle and suspen- To install:
7 InstA the dnhili cedure. ._._ . . .._ -.--.. lzer bar into the vehicle.
1. Raise the vehicle and support it safely.
2. Remove the wheel and tire assemblies.
3. If equipped with rear disc brakes, remove the
caliper assembly.
4. Remove the grease cap and the hub nut.
5. Tighten the wheel bearing nut to 20 ft. Ibs. (27
Nm) while rotatir ” ”
6. Back off th
load and then tighten it to 7 ft. Ibs. (10 Nm).
7. Install the nut lock and a new cotter pin.
8. If brake caliper was removed, reinstall.
9. Install the wheel and lower the vehicle.
Diamante and lQQ44 Galant 10 tne mum/hub.
ie adjusting nut to remove the pre-
Sian assembly.
3. Remove the self-locking nuts and crossmem-
ber bracket.
93158P61 Fig. 72 Remove the self-locking nuts from Measure the wheel bearing end-play using a dial
the stabilizer bar link indicator. The end-play should be 0.002 inches
a (0.05mm) or less with the wheel bearing locknut

SUSPENSION AND STEERING 8-27
7923PGC7 Fig. 74 Use a press to remove the speed sensor rotor from the hub-Galant
dhk4w with drum,brqb
7923PGCE Fig. 75 Exploded view of the rear hub/bearing assembly and related components=Galant
3. Remove the appropriate wheel assembly. *The hub assembly is not serviceable and 4. If equipped with ABS, remove the vehicle should not be disassembled. speed sensor.
5. Remove the caliper and brake pads, Support
the caliper out of the way using wire.
6. Remove the brake rotor from the hub assem-
hl

10. If replacing the hub, use special socket
MB991248 and a press to remove the wheel sensor
rotor from the hub.
To install: WY. 7. Remove the parking brake shoes as follows:
a. Remove the upper shoe to anchor springs.
b. Remove the lower shoe to shoe spring.
c. Remove the brake shoe hold-down springs.
d. Disconnect the parking brake cable from
the actuating lever.
8. From the back of the knuckle, remove the
four bolts securing the hub to the knuckle.
9. Remove the hub and bearing assembly from
the knuckle. Il. Press the wheel sensor rotor onto the hub.
12. Install the hub to the knuckle and tighten the
mounting bolts to 54-65 ft. tbs. (74-88 Nm).
13. Install the parking brake shoes,
14. Position the rotor on the hub. Install a couple
of lug nuts and lightly tighten to hold rotor on hub.
15. Install the caliper holder and place brake pads
in holder. Slide caliper over brake pads and install
guide pins. Once caliper is secured, lug nuts can be
removed. 16. If equipped with ABS, install the vehicle
speed sensor.
17. Install the wheel assembly and lower the ve-
hicle.
Diamante
*The hub assembly is not repairable; if de-
fective, replacement is the only option. If the
hub is removed for any reason it must be re-
placed.
1. Raise and support vehicle safely.
2. Remove the both of the rear wheels.
3. Remove the caliper and the brake disc. Sup-
port the caliper with wire to prevent stress to the /
brake hose.
4. If equipped with ABS, remove the bolt hold-
ing the speed sensor to the trailing arm and remove
the sensor.
*The speed sensor has a pole piece project-
ing from it. This exposed tip must be pro-
tected from impact or scratches. Do not al-
low the pole piece to contact the toothed
wheel during removal or installation.
5. Remove the grease cap, self-locking nut and
tongued washer.
*Do not use an air gun to remove the hub
locknut.
6. Remove the rear hub assembly from the spin-
dle.
7. Remove the bolts that secure the ABS sensor
ring to the hub and remove the ring from the hub.
To install: 8. Secure the sensor ring to the hub assembly
and tighten the mounting bolts.
9. Install the hub assembly, tongued washer
and a new self-locking nut. Tighten the nut to 166 ft.
Ibs. (230 Nm), align with the indentation in the spin-
dle, and crimp.
IO. Using a rope around the hub bolts and a
spring balance, measure the resistance necessary to
rotate the hub. If the resistance exceeds 7 ft. Ibs. (IO
Nm), loosen and retighten the locknut. If the resis-
tance still exceeds the specification, the hub must be
replaced.
11. Using a dial indicator, measure the hub end-
play. The endplay should be 0.002 inches (0.05mm)
or less.
12. Install the brake rotor and caliper assembly.
13. Install the speed sensor to the knuckle.
*Route the speed sensor cable correctly.
Improper installation may cause cable dam-
age and system failure. Use the white stripe
on the outer insulation to keep the sensor
harness properly positioned.
14. Use a brass or other non-magnetic feeler
gauge to check the air gap between the tip of the pole
piece and the toothed wheel. Correct gap is
0.008-0.028 in (0.2-0.7mm). Tighten the sensor
bracket nut with the sensor located so the gap is the
same at several points on the toothed wheel. If the
gap is incorrect, it is likely that the toothed wheel is
worn or improperly installed.
15. Bleed the brake system and install the rear
wheels.

BRAKE OPERATING SYSTEM 9-2
BASIC OPERATING PRINCIPLES 9-2
DISC BRAKES 9-2
DRUM BRAKES 9-2
POWERBOOSTERS 9-2
BRAKE LIGHT SWITCH 9-3
REMOVAL&INSTALLATION 9-3
MASTER CYLINDER 9-3
REMOVAL&INSTALLATION 9-3
' BRAKE PEDAL ADJUSTMENTS 9-4
POWER BRAKEBOOSTER 9-5
REMOVAL &INSTALLATION 9-5
PROPORTIONING VALVE 9-6
REMOVAL &INSTALLATION 9-6
BRAKEHOSESAND LINES 9-6
REMOVAL&INSTALLATION 9-6
BLEEDING BRAKESYSTEM 9-7
DISC BRAKES 9-8
BRAKE PADS 9-8
REMOVAL &INSTALLATION 9-8
INSPECTION 9-11
BRAKE CALIPER 9-11
REMOVAL & INSTALLATION 9-11
OVERHAUL 9-12
BRAKE DISC (ROTOR) 9-13
REMOVAL &INSTALLATION 9-13
INSPECTION 9-14
DRUM BRAKES 9-15
BRAKEDRUMS 9-16
REMOVAL &INSTALLATION 9-16
INSPECilON 9-16
BRAKESHOES 9-16
INSPECTION 9-16
REMOVAL&INSTALLATION 9-17
ADJUSTMENTS 9-18
WHEELCYLINDERS 9-19
REMOVAL &INSTALLATION 9-19
. OVERHAUL 9-19
PARKING BRAKE 9-20
CABLE(S) 9-20
REMOVAL&INSTALLATION 9-20
ADJUSTMENT 9-22
BRAKESHOES 9-23
REMOVAL &INSTALLATION 9-23
ADJUSTMENT 9-24
ANTI-LOCKBRAKE SYSTEM 9-24
GENERAL INFORMATION 9-24
PRECAUTIONS 9-24
DIAGNOSIS AND TESTING 9-24
HYDRAULIC CONTROL UNIT 9-25
REMOVAL&INSTALLATION 9-25
ANTI-LOCK CONTROL UNIT 9-27
REMOVAL&INSTALLATION 9-27
SPEED SENSORS 9-28
REMOVAL &INSTALLATION 9-28
b G-SENSOR 9-29
REMOVAL &INSTALLATION 9-29
' TONE (EXCITER) RING 9-29
REMOVAL&INSTALLATION 9-29
BLEEDINGTHEABSSYSTEM 9-30 COMPONENTLOCATIONS
DRUM BRAKECOMPONENTS 9-15
SPECIFICATIONS CHARTS
ABS DIAGNOSTICTROUBLE CODES 9-25
BRAKE SPECIFICATIONS 9-31

9-2 BRAKES
Hydraulic systems are used to actuate the brakes
of all modern automobiles. The system transports the
power required to force the frictional surfaces of the
braking system together from the pedal to the indi-
vidual brake units at each wheel. A hydraulic system
is used for two reasons.
First, fluid under pressure can be carried to all
parts of an automobile by small pipes and flexible
hoses without taking up a significant amount of room
or posing routing problems.
Second, a great mechanical advantage can be
given to the brake pedal end of the system, and the
foot pressure required to actuate the brakes can be
reduced by making the surface area of the master
cylinder pistons smaller than that of any of the pis-
tons in the wheel cylinders or calipers.
The master cylinder consists of a fluid reservoir
along with a double cylinder and piston assembly.
Double type master cylinders are designed to sepa-
rate the front and rear braking systems hydraulically
in case of a leak. The master cylinder converts me-
chanical motion from the pedal into hydraulic pres-
sure within the lines. This pressure is translated back
into mechanical motion at the wheels by either the
wheel cylinder (drum brakes) or the caliper (disc
brakes).
Steel lines carry the brake fluid to a point on the
vehicle’s frame near each of the vehicle’s wheels. The
fluid is then carried to the calipers and wheel cylin-
ders by flexible tubes in order to allow for suspen-
sion and steering movements.
In drum brake systems, each wheel cylinder con-
tains two pistons, one at either end, which push out-
ward in opposite directions and force the brake shoe
into contact with the drum.
In disc brake systems, the cylinders are part of the
calipers. At least one cylinder in each caliper is used
to force the brake pads against the disc.
All pistons employ some type of seal, usually
made of rubber, to minimize fluid leakage. A rubber
dust boot seals the outer end of the cylinder against
dust and dirt. The boot fits around the outer end of
the piston on disc brake calipers, and around the
brake actuating rod on wheel cylinders.
The hydraulic system operates as follows: When at
rest, the entire system, from the piston(s) in the mas-
ter cylinder to those in the wheel cylinders or
calipers, is full of brake fluid. Upon application of the
brake pedal, fluid trapped in front of the master cylin-
der piston(s) is forced through the lines to the wheel
cylinders. Here, it forces the pistons outward, in the
case of drum brakes, and inward toward the disc, in
the case of disc brakes. The motion of the pistons is
opposed by return springs mounted outside the
cylinders in drum brakes, and by spring seals, in disc
brakes.
Upon release of the brake pedal, a spring located
inside the master cylinder immediately returns the
master cylinder pistons to the normal position. The
pistons contain check valves and the master cylinder
I
has compensating ports drilled in it. These are un-
covered as the pistons reach their normal position.
The piston check valves allow fluid to flow toward the
wheel cylinders or calipers as the pistons withdraw.
Then, as the return springs force the brake pads or
shoes into the released position, the excess fluid
reservoir through the compensating ports. It is during the time the pedal is in the released position that any
fluid that has leaked out of the system will be re-
placed through the compensating ports.
Dual circuit master cylinders employ two pistons,
located one behind the other, in the same cylinder.
The primary piston is actuated directly by mechanical
linkage from the brake pedal through the power
booster. The secondary piston is actuated by fluid
trapped between the two pistons. If a leak develops in
front of the secondary piston, it moves forward until it
bottoms against the front of the master cylinder, and
the fluid trapped between the pistons will operate the
rear brakes. If the rear brakes develop a leak, the pri-
mary piston will move forward until direct contact
with the secondary piston takes place, and it will
force the secondary piston to actuate the front brakes.
In either case, the brake pedal moves farther when the
brakes are applied, and less braking power is avail-
able.
All dual circuit systems use a switch to warn the
driver when only half of the brake system is opera-
tional. This switch is usually located in a valve body
which is mounted on the firewall or the frame below
the master cylinder. A hydraulic piston receives pres-
sure from both circuits, each circuits pressure being
applied to one end of the piston. When the pressures
are in balance, the piston remains stationary. When
one circuit has a leak, however, the greater pressure
in that circuit during application of the brakes will
push the piston to one side, closing the switch and
activating the brake warning light.
In disc brake systems, this valve body also con-
tains a metering valve and, in some cases, a propor-
tioning valve. The metering valve keeps pressure
from traveling to the disc brakes on the front wheels
until the brake shoes on the rear wheels have con-
tacted the drums, ensuring that the front brakes will
never be used alone. The proportioning valve con-
trols the pressure to the rear brakes to lessen the
chance of rear wheel lock-up during very hard brak-
ing.
Warning lights may be tested by depressing the
brake pedal and holding it while opening one of the
wheel cylinder bleeder screws. If this does not cause
the light to go on, substitute a new lamp, make conti-
nuity checks, and, finally, replace the switch as nec-
essary.
The hydraulic system may
be checked for leaks by applying pressure to the pedal gradually and steadily.
If the pedal sinks very slowly to the floor, the system
has a leak. This is not to be confused with a springy
or spongy feel due to the compression of air within
the lines. If the system leaks, there will be a gradual
change in the position of the pedal with a constant
pressure.
Check for leaks along all lines and at wheel cylin-
ders. If no external leaks are apparent, the problem is
inside the master cylinder,
DISC BRAKES
Instead of the traditional expanding brakes that
press outward against a circular drum, disc brake
systems utilize a disc (rotor) with brake pads posi-
tioned on either side of it. An easily-seen analogy is
the hand brake arrangement on a bicycle. The pads
squeeze onto the rim of the bike wheel, slowing its
motion. Automobile disc brakes use the identical principle but apply the braking effort to a separate
disc instead of the wheel.
The disc (rotor) is a casting, usually equipped with
cooling fins between the two braking surfaces. This
enables air to circulate between the braking surfaces
making them less sensitive to heat buildup and more
resistant to fade. Dirt and water do not drastically af-
fect braking action since contaminants are thrown off
by the centrifugal action of the rotor or scraped off
the by the pads. Also, the equal clamping action of
the two brake pads tends to ensure uniform, straight
line stops. Disc brakes are inherently self-adjusting.
There are three general types of disc brake:
1. A fixed caliper.
2. A floating caliper.
3. A sliding caliper.
The fixed caliper design uses two pistons
mounted on either side of the rotor (in each side of
the caliper). The caliper is mounted rigidly and does
not move.
The sliding and floating designs are quite similar.
In fact, these two types are often lumped together. In
both designs, the pad on the inside of the rotor is
moved into contact with the rotor by hydraulic force.
The caliper, which is not held in a fixed position,
moves slightly, bringing the outside pad into contact
with the rotor. There are various methods of attaching
floating calipers. Some pivot at the bottom or top,
and some slide on mounting bolts. In any event, the
end result is the same.
DRUM BRAKES
Drum brakes employ two brake shoes mounted on
a stationary backing plate. These shoes are posi-
tioned inside a circular drum which rotates with the
wheel assembly. The shoes are held in place by
springs. This allows them to slide toward the drums
(when they are applied) while keeping the linings and
drums in alignment. The shoes are actuated by a
wheel cylinder which is mounted at the top of the
backing plate. When the brakes are applied, hydraulic
pressure forces the wheel cylinder’s actuating links
outward. Since these links bear directly against the
top of the brake shoes, the tops of the shoes are then
forced against the inner side of the drum. This action
forces the bottoms of the two shoes to contact the
brake drum by rotating the entire assembly slightly
(known as servo action). When pressure within the
wheel cylinder is relaxed, return springs pull the
shoes back away from the drum.
Most modern drum brakes are designed to self-
adjust themselves during application when the vehi-
cle is moving in reverse. This motion causes both
shoes to rotate very slightly with the drum, rocking
an adjusting lever, thereby causing rotation of the ad-
justing screw. Some drum brake systems are de-
signed to self-adjust during application whenever the
brakes are applied. This on-board adjustment system
reduces the need for maintenance adjustments and
keeps both the brake function and pedal feel satisfac-
tory.
POWER BOOSTERS
Virtually all modern vehicles use a vacuum as-
sisted power brake system to multiply the braking
force and reduce pedal effort. Since vacuum is always
available when the engine is operating, the system is