Mitsubishi Montero (1998+). Manual — part 59
WHEEL CYLINDERS
Removal & Installation
Raise and support vehicle. Remove rear brake drum and shoes.
See REAR BRAKE DRUM & SHOES. Remove wheel cylinder and seal assembly.
To install, reverse removal procedure. Bleed brakes. See
BLEEDING BRAKE SYSTEM.
MASTER CYLINDER
Removal
Drain brake fluid from master cylinder. Remove sensor
connector (if equipped). Disconnect brake lines from master cylinder,
and install plugs to prevent brake fluid spillage. Remove master
cylinder from booster and separate reservoirs from housing (if
necessary).
Installation
To install, reverse removal procedure. Before installation,
check and adjust clearance between back of master cylinder piston and
power brake push rod. See MASTER CYLINDER PUSH ROD under ADJUSTMENTS.
After installation, adjust pedal height. See BRAKE PEDAL HEIGHT & FREE
PLAY under ADJUSTMENTS. Bleed brake system.
POWER BRAKE BOOSTER
Removal
Remove brake master cylinder. See MASTER CYLINDER. Disconnect
vacuum hose from power brake booster. Disconnect clevis pin attaching
brake pedal to power brake booster push rod. From inside vehicle,
remove 4 nuts attaching power brake booster to firewall. Remove power
brake booster.
Installation
To install, reverse removal procedure. Install master
cylinder. Bleed brake system if necessary.
POWER BRAKE BOOSTER CHECK VALVE
NOTE: To test check valve before removal, see POWER BRAKE BOOSTER
under TESTING.
Removal & Installation
Remove vacuum hose with check valve from power brake booster.
Loosen hose clamp(s) and remove check valve from hose on Mirage and
Summit. On all models, coat end(s) of check valve with sealant before
installation. Install valve with arrow (identification mark) pointing
toward intake manifold. Install and secure hose clamp(s).
REAR AXLE BEARINGS & OIL SEAL
Removal (Montero & Montero Sport)
1) With disc or drum removed, disconnect brake line from
caliper or wheel cylinder. Disconnect parking brake cable end, and
remove cable attaching bolts. Remove brake backing plate, bearing case
and axle shaft as an assembly. If axle shaft binds, use slide hammer
and puller to remove.
2) Remove shims, "O" ring and snap ring. Retain shims for
installation. Secure axle shaft assembly in a vise, and remove one
retainer bolt from backing plate. Push bearing case completely to side
of dust cover. Place adhesive tape around edge of bearing case at
retainer bolt hole to prevent damage.
CAUTION: DO NOT damage bearing case or axle shaft when grinding or
chiseling retainer ring.
3) Secure axle shaft, and grind retainer ring until retainer
ring wall thickness is 0.04-0.06" (1.0-1.5 mm) on axle shaft side and
0.08" (2.0 mm) on bearing side (FIRST CUT). See Fig. 9.
4) Change angle of grind, and remove remaining 0.08" (2.0 mm)
of retainer ring wall on bearing side (SECOND CUT). Using a chisel,
cut retainer ring. Remove ring. DO NOT damage axle shaft.
5) Install Puller (MB990787-01) to remove bearing case from
axle shaft. Rotate nuts with equal force to remove wheel bearing.
Remove bearing outer race using a hammer and drift. Remove oil seal
from axle housing using a slide hammer and hook.
Fig. 12: Grinding Bearing Retainer Ring (Montero & Montero Sport)
Courtesy of Mitsubishi Motor Sales of America.
Installation
1) Apply Multipurpose Grease (SAE J310) to oil seal, oil seal
cavity and contact surfaces. Install oil seal using seal driver. Press
new oil seal into bearing case until it is flush with face of bearing
case. Install backing plate and bearing case.
2) Apply grease to external surfaces of bearing outer race.
Press bearing outer race into bearing case. Install rear brake
assembly and bearing case. Pack bearing case and axle threads with
grease. Install new retainer ring and snap ring.
3) Using a feeler gauge, measure clearance between snap ring
and new retainer ring. Clearance should be less than 0.0065" (0.165
mm). If clearance exceeds specification, install a new selective snap
ring to bring clearance to specification. See SNAP RING THICKNESS
SPECIFICATION table.
SNAP RING THICKNESS SPECIFICATION
Thickness: In. (mm) Color
0.060 (1.52) . . . . . . . . . . . . ... Red
0.067 (1.70) . . . . . . . . . . . . Purple
0.073 (1.85) . . . . . . . . . . . . .. Blue
0.079 (2.01) . . . . . . . . . . . . Yellow
0.085 (2.16) . . . . . . . . . . . ... Neutral
4) Check condition of oil seal and replace as necessary.
Install axle shaft assembly into axle housing. Tighten bearing
retainer bolts to 65 ft. lbs (15 N.m.). To complete installation,
reverse removal procedure.
REAR AXLE HUB BEARINGS
NOTE: Rear hub bearings are not serviceable on FWD models.
Removal & Installation (FWD Models)
1) Raise and support vehicle. Remove wheels. Remove wheel
speed sensor (if equipped). On models with drum brakes, remove brake
drum and shoes. See REAR BRAKE DRUM & SHOES.
2) On models with disc brakes, remove caliper and rotor. On
all models, remove hub bolts or spindle nut and hub assembly. To
install, reverse removal procedure. Tighten hub bolts or spindle nut
to specification. See HUB TIGHTENING TORQUE table. Rotate brake drum
or disc to ensure free movement.
NOTE: Rear hub bearings are not serviceable on Eclipse AWD models.
Removal & Installation (Eclipse AWD)
1) Raise and support vehicle. Remove wheels. Remove wheel
speed sensor (if equipped). On models with drum brakes, remove brake
drum and shoes. See REAR BRAKE DRUM & SHOES.
2) On models with disc brakes, remove caliper and rotor. On
all models, remove axle nut. Remove 4 hub bolts and hub assembly. To
install, reverse removal procedure. Tighten hub bolts to
specification. See HUB TIGHTENING TORQUE table. Rotate brake drum or
disc to ensure free movement.
HUB TIGHTENING TORQUE
Application Ft. Lbs. (N.m)
Hub Mounting Bolts . . . . . . . . ... 54-65 (74-85)
Spindle Nut
Mirage . . . . . . . . . . . . . 127 (172)
3000GT FWD . . . . . . . . . . . . 170 (230)
Removal & Installation (3000GT AWD Models)
1) Raise and support vehicle. Remove wheels. Remove wheel
speed sensor (if equipped). Remove caliper and rotor.
2) Remove 4 bolts and separate rear drive axle from hub
companion flange. Using Yoke Holder (MB990767), hold rear axle hub and
remove axle nut at companion flange.
3) Using slide hammer and Hub Adapter (MB991354), remove axle
shaft from knuckle. Place axle in hydraulic press. Using an
appropriate bearing splitter, remove ABS rotor (if equipped) and outer
axle bearing.
4) Remove inner bearing and seal from axle. Using Bearing
Installer Handle (MB990938) and Adapter (MB990931), install bearing
and axle seal.
5) Using Installer (MB990799), install dust shield onto axle
shaft. Using hydraulic press, install outer axle bearing onto axle
shaft so seal lip is facing towards axle shaft. Press on wheel speed
sensor rotor (if equipped) with groove on speed sensor rotor is facing
towards axle shaft flange.
6) Install axle shaft assembly into knuckle and tighten axle
nut to 188-217 ft. lbs. (260-300 N.m.). To complete installation,
reverse removal procedure. Tighten bolts to specification.
OVERHAUL
NOTE: For exploded views of calipers, see Figs. 13 through 17. For
exploded view of master cylinder, see Fig. 18.
Fig. 13: Exploded View Of Single Piston Caliper Assembly (Except
Montero Sport)
Courtesy of Mitsubishi Motor Sales of America.
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