Mitsubishi Montero (2002-2004). Manual — part 1026
ON-VEHICLE SERVICE
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BASIC BRAKE SYSTEM
35A-129
CAUTION
Do not apply excessive grease. Excessive grease may
cause brake performance to become poor.
5. For rear disc bake, apply brake grease SAE J310, NLGI
number 1 to the following positions before installing the pad.
• Pad assembly and shim A contact surface
• Inner shim A and shim B contact surface
6. Install the pad and caliper assembly, and check the brake
drag force.
• FRONT: Refer to
.
.
DISC BRAKE ROTOR CHECK
M1351002900215
CAUTION
Disc brakes must be kept within the allowable
service values in order to maintain normal brake
operation.
Before turning the brake disc, the following condi-
tions should be checked:
AC000886
SHIM A
SHIM B
PAD ASSEMBLY
<REAR>
AD
INSPECTION ITEM
REMARK
Scratches, rust, saturated lining
materials and wear
• If the vehicle is not driven for a long period of time, sections of the
discs that are not in contact with the pads will become rusty, causing
noise and shuddering.
• If grooves and scratches resulting from excessive disc wear are not
removed prior to installing a new pad assembly, there will be
inadequate contact between the disc and the lining (pad) until the
pads conform to the disc.
Run-out
Excessive run-out of the discs will increase the pedal depression
resistance due to piston kickback.
Change in thickness (parallelism) If the thickness of the disc changes, this will cause pedal pulsation,
shuddering and surging.
Warping (flatness) or distortion
Overheating and improper handling while servicing will cause warping
or distortion.
ON-VEHICLE SERVICE
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BASIC BRAKE SYSTEM
35A-130
BRAKE DISC THICKNESS CHECK
M1351002400254
1. Remove dirt and rust from the brake disc surface.
2. Using a micrometer, measure disc thickness at eight
positions, approximately 45 degrees apart and 10 mm (0.4
inch) in from the outer edge of the disc.
FRONT BRAKE DISC
Standard value: 26.0 mm (1.02 inch)
Minimum limit: 24.4 mm (0.96 inch)
REAR BRAKE DISC
Standard value: 22.0 mm (0.87 inch)
Minimum limit: 20.4 mm (0.80 inch)
NOTE: Thickness variation (at least 8 positions) should not
be more than 0.015 mm (0.0006 inch).
CAUTION
• After a new brake disc is installed, always grind the
brake disc with a on-car type brake lathe. If this step is
not carried out, the brake disc run-out will exceed the
specified value, resulting in judder.
• When the on-car type lathe is used, first install a M12
flat washer on the stud bolt in the brake disc side
according to the figure, and then install the adapter. If
the adapter is installed without a M12 flat washer, the
brake disc rotor may be deformed, resulting in inaccu-
rate grinding.
• Grind the brake disc with all wheel nuts diagonally and
equally tightened to the specified torque 100 N
⋅m (74 ft-
lb). When all numbers of wheel nuts are not used, or the
tightening torque is excessive or not equal, the brake
disc rotor or drum may be deformed, resulting in
judder.
3. If the disc thickness is less than the limits, replace it with a
new one. If thickness variation exceeds the specification,
turn rotor with an on-car type brake lathe ("Accuturn-8750"
or equivalent).
If the calculated final thickness after turning the rotor is less
than the standard value, replace the disc.
BRAKE DISC RUN-OUT CHECK AND
CORRECTION
M1351009400404
1. Remove the caliper support; then raise the caliper assembly
upward and secure it with a wire.
2. Inspect the disc surface for grooves, cracks and rust. Clean
the disc thoroughly and remove all rust.
3. Fix the disc with a hub nut temporarily.
ACX00668
AC005154 AB
M12 PLANE
WASHER
M12 PLANE
WASHER
ON-VEHICLE SERVICE
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BASIC BRAKE SYSTEM
35A-131
4. Place a dial gauge approximately 5 mm (0.2 inch) from the
outer circumference of the brake disc, and measure the run-
out of the disc.
Limit: 0.06 mm (0.002 inch)
5. If the run-out of the brake disc is limit value or more, correct
it as follows:
(1) Place a mating mark on both the wheel stud and disc with
chalk where the run-out is greatest.
(2) Remove the brake disc. Then place a dial gauge as
shown in the illustration, and then move the hub in the
axial direction and measure the play.
Limit: 0 mm (0 inch)
(3) If the play exceeds the limit, disassemble the hub and
knuckle assembly to check each part.
(4) If the play does not exceed the limit, install the brake disc
at a different phase, and then check the run-out of the
brake disc again.
CAUTION
• After a new brake disc is installed, always grind the
brake disc with a on-car type brake lathe. If this step is
not carried out, the brake disc run-out will exceed the
specified value, resulting in judder.
• When the on-car type lathe is used, first install a M12
flat washer on the stud bolt in the brake disc side
according to the figure, and then install the adapter. If
the adapter is installed without a M12 flat washer, the
brake disc rotor may be deformed, resulting in inaccu-
rate grinding.
• Grind the brake disc with all wheel nuts diagonally and
equally tightened to the specified torque 100 N
⋅m (74 ft-
lb). When all numbers of wheel nuts are not used, or the
tightening torque is excessive or not equal, the brake
disc rotor or drum may be deformed, resulting in
judder.
6. If the run-out cannot be corrected by changing the phase of
the brake disc, replace the brake disc or turn rotor with an
on-car type brake lathe ("Accuturn-8750" or equivalent).
ACX00669
ACX00670
AC005154 AB
M12 PLANE
WASHER
M12 PLANE
WASHER
BRAKE PEDAL
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BASIC BRAKE SYSTEM
35A-132
BRAKE PEDAL
REMOVAL AND INSTALLATION
M1351003400257
INSTALLATION SERVICE POINT
.
>>A<< BRAKE PEDAL AND PEDAL SUPPORT MEMBER
ASSEMBLY INSTALLATION
Tighten the brake booster mounting nut ("A" in the illustration)
first, then tighten the brake pedal mounting bolt ("B" in the illus-
tration).
NOTE: Because the mounting hole of the pedal mounting bolt
("B" in the illustration) is a slotted hole, if the pedal mounting
bolt ("B" in the illustration) is mounted first, positioning
becomes impossible.
Post-installation Operation
• Brake Pedal Adjustment (Refer to
ACX01838 AB
14 ± 3 N·m
124 ± 26 in-lb
12 ± 2 N·m
107 ± 17 in-lb
1
2
N
N
3
4
5
6
7
8
9
10
11
12
REMOVAL STEPS
•
INSTRUMENT PANEL LOWER
PANEL (REFER TO GROUP 52A,
INSTRUMENT PANEL
1.
RETURN SPRING
2.
COTTER PIN
3.
SHIFT LOCK CABLE
CONNECTION
4.
HARNESS CONNECTOR
5.
STOPLIGHT SWITCH
6.
ADJUSTER
7.
PEDAL STOPPER
8.
SNAP PIN
9.
CLEVIS PIN
10.
PEDAL PAD
11.
BRAKE BOOSTER MOUNTING
NUT
>>A<<
12.
BRAKE PEDAL AND PEDAL
SUPPORT MEMBER ASSEMBLY
REMOVAL STEPS (Continued)
ACX01839 AB
A
A
B
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