1998 MITSUBISHI MONTERO fluid

hardware.
Attaching hardware threads
damaged ................ A ... Require repair or replacement
of hardware.
Attaching hardware threads
stripped (threads
missing) ............... A ... Require repair or replacement
of hardware.
Code set (if
applicable) ............ A .......... (1) Further inspection
required.
Connector broken ........ A .. Require repair or replacement.
Connector melted ........ A ........... ( 2) Require repair or
replacement.
Connector missing ....... A ................. Require repair.
Contaminated ............ A .. Require repair or replacement.
Inoperative ............. B .. Require repair or replacement.
( 3) Further inspection required.
Leaking ................. A .. Require repair or replacement.
Missing ................. C ............ Require replacement.
Terminal broken ......... A .. Require repair or replacement.
Terminal burned, affecting
performance ............ A ........... ( 2) Require repair or
replacement.
Terminal burned, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal corroded,
affecting performance .. A .. Require repair or replacement.
Terminal corroded, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal loose, affecting
performance ............ B .. Require repair or replacement.
Terminal loose, not
affecting performance .. 1 .. Suggest repair or replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
Wire lead conductors
exposed ................ B .. Require repair or replacement.
Wire lead corroded ...... A .. Require repair or replacement.
Wire lead open .......... A .. Require repair or replacement.
Wire lead shorted ....... A .. Require repair or replacement.
( 1) - Refer to manufacturer's diagnostic trouble code procedure
and require repair or replacement of affected component(s).
( 2) - Determine cause and correct prior to repair or replacement
of part.
( 3) - Inoperative includes intermittent operation or out of OEM
specification. Some components may be serviceable. Check
for accepted cleaning procedure.









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FLUID
See BRAKE FLUID.
FLUID LEVEL SENSOR SWITCHES
See SWITCHES.
FOUR WHEEL DRIVE SWITCHES
See SWITCHES.

FRICTION MATERIAL
NOTE: Original Equipment Manufacturer (OEM) specifications
designate replacement at different thicknesses.
CAUTION: It is required that friction material be matched in axle
sets for consistent braking characteristics.
FRICTION MATERIAL INSPECTION









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Condition Code Procedure
Contaminated, for example,
fluid that leaked from
caliper, wheel cylinder,
or axle seal ........... A ........ ( 1) Require replacement.
Cracked through ......... B Require replacement.
Flaking or chunking ..... B Require replacement.
Glazed (shiny) .......... .. ........ No service suggested or
required.
Grooves or ridges ....... .. .... ( 2) No service suggested or
required.
Permanently attached
hardware bent .......... A ............ Require replacement.
Permanently attached
hardware broken ........ A ............ Require replacement.
Permanently attached
hardware loose ......... A ............ Require replacement.
Permanently attached
hardware missing ....... C ............ Require replacement.
Permanently attached
hardware seized ........ A .. Require repair or replacement.
Rivets loose ............ B ............ Require replacement.
Separating from backing . B ............ Require replacement.
Shoe table or web bent .. B ............ Require replacement.
Shoe table or web
cracked ................ A ............ Require replacement.
Shoe table or web worn,
affecting performance .. A ............ Require replacement.
Surface cracking ........ .. ........ No service suggested or
required. Further inspection
may be necessary to determine
cause.
Tapered wear ............ B ........ ( 3) Suggest replacement.
Thickness of one pad is
greater than opposite pad
in the same caliper
(uneven wear) .......... .. .... ( 4) Replacement of friction
material not suggested or
required. Further inspection
required. See CALIPERS
and CALIPER HARDWARE.
Wear indicator device
(electronic) contacts
rotor .................. B ...... ( 5) Require replacement of
appropriate parts.
Wear indicator device
(mechanical) bent ....... .. .......... ( 6) Further inspection
required.
Wear indicator device
(mechanical) broken .... .. ......... ( 6) Further inspection
required.

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HYDRO-BOOSTERS
NOTE: Hydro-boosters and hydro-electric boosters are combined.
HYDRO-BOOSTER INSPECTION









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Condition Code Procedure
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Connector broken ........ A .. Require repair or replacement.
Connector (Weatherpack
type) leaking .......... A .. Require repair or replacement.
Connector melted ........ A ........ ( 1) Require replacement.
Connector missing ....... C ............ Require replacement.
Does not apply assist, or
inadequate assist ...... A .. Require repair or replacement.
Leaking ................. B .. Require repair or replacement.
Leaks fluid at fitting .. B ........... Require tightening or
replacement.
Leaks fluid at unit ..... B .. Require repair or replacement.
Leaks fluid from pressure
hose(s) ................ B . Require replacement of hose(s).
Leaks fluid into passenger
compartment ............ B .. Require repair or replacement.
Threads damaged ......... A .. Require repair or replacement.
Terminal burned, affecting
performance ............ A ........... ( 1) Require repair or
replacement.
Terminal burned, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal corroded,
affecting performance .. A .. Require repair or replacement.
Terminal corroded, not
affecting performance .. 2 .. Suggest repair or replacement.
Terminal loose, affecting
performance ............ B .. Require repair or replacement.
Terminal loose, not
affecting performance .. 1 .. Suggest repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
( 1) - Determine cause and correct prior to replacement of part.









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HYDRO-ELECTRIC BOOSTERS (POWERMASTER)
See HYDRO-BOOSTERS .
IGNITION DISABLE SWITCHES
See SWITCHES.

LATERAL ACCELERATION SWITCHES
See ACCELEROMETERS .
LEDS
See BULBS AND LEDS .
LENSES
LENSE INSPECTION








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Condition Code Procedure
Application incorrect ... A ............ Require replacement.
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Broken, affecting
performance ............ A ............ Require replacement.
Broken, not affecting
performance ............ .. ........ No service suggested or
required.
Cracked ................. A ............ Require replacement.
Discolored .............. A ............ Require replacement.
Leaking ................. A .. Require repair or replacement.
Melted, affecting
performance ............ A ............ Require replacement.
Melted, not affecting
performance ............ 2 ............ Suggest replacement.
Missing ................. C ............ Require replacement.









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MASTER CYLINDERS
MASTER CYLINDER INSPECTION








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Condition Code Procedure
Brake fluid leaking from
rear of master cylinder
bore ................... B .. Require repair or replacement.
Brake pedal drops
intermittently ......... A ........... ( 1) Require repair or
replacement.
Fluid level low ......... .. ......... ( 2) Further inspection
required.
Internal valve failure .. A .. Require repair or replacement.
Master cylinder leaking
brake fluid internally . A .. Require repair or replacement.
Piston does not return .. A .. Require repair or replacement.
Ports plugged ........... A .. Require repair or replacement.
Rubber master cylinder
cover gasket distorted
and gummy .............. A .. ( 3) Require replacement of the
gasket.

(1) - This condition may be normal on some vehicles equipped with
anti-lock brakes.
( 2) - Refer to OEM procedures for adjusting low fluid level.
Inspect for brake hydraulic system leaks and friction
material wear.
( 3) - This condition may indicate contaminated brake fluid.
See BRAKE FLUID .









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MODULATORS
See HYDRAULIC MODULATORS .
MOTORS
See ELECTRICAL PUMPS AND MOTORS .
PARKING BRAKE SWITCHES
See SWITCHES.
PARKING BRAKE SYSTEMS
NOTE: The parking brake is an integral part of the brake
system. It is important that the parking brake function
properly when brake service is performed.
PARKING BRAKE SYSTEM INSPECTION









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Condition Code Procedure
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Cable improperly
adjusted ............... B ....... Require cable adjustment.
Cable or individual
wires in the cable
are broken ............. A .... Require replacement of cable
assembly.
Cable sticking .......... A ...... Require cable lubrication.
Cable stuck inside conduit
and cannot be lubricated
so that parking brake
functions properly ..... A .... Require replacement of cable
assembly.
Inoperative ( 1) ......... A .......... Require replacement of
inoperative parts.
Parking brake
parts bent ............. B ... Require repair or replacement
of bent parts.
Parking brake
parts broken ........... A ... Require replacement of broken
parts.
Parking brake parts

specifications.
Wire lead open .......... A .. Require repair or replacement.
Wire lead shorted ....... A .. Require repair or replacement.
(1) - If a sensor is not adjustable, further inspection is
required to identify and correct cause.
( 2) - Determine cause and correct prior to repair or
replacement of part.
( 3) - Determine source of contamination, such as metal
particles or water. Require repair or replacement.
( 4) - Inoperative includes intermittent operation or out of OEM
specification. Some components may be serviceable; check
for accepted cleaning procedure.









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STEEL BRAKE LINES
STEEL BRAKE LINE INSPECTION








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Condition Code Procedure
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Corroded, affecting
structural integrity ... A ............ Require replacement.
Fitting incorrect (for
example, compression
fitting) ............... B ............ Require replacement.
Flare type incorrect .... B .. Require repair or replacement.
Leaking ................. A .. Require repair or replacement.
Line material incorrect
(copper, etc.) ......... B ............ Require replacement.
Restricted .............. A ............ Require replacement.
Routed incorrectly ...... B ..... Require routing correction.
Rust-pitted ............. 1 ............ Suggest replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped
(threads missing) ...... A ............ Require replacement.









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STOPLIGHT SWITCHES
See BRAKE STOPLIGHT SWITCHES .
SWITCHES
NOTE: Copied from Electrical UIGs & added "float saturated" from
old fluid level sensor switches.
STEEL BRAKE LINE INSPECTION









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Condition Code Procedure
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.

Lug nut flats rounded ... A ..... Require replacement of nut.
Lug nut installed
backward ............... B ................. Require repair.
Lug nut mating surface
dished ................. A ..... Require replacement of nut.
Lug nut mating type
incorrect .............. B ..... Require replacement of nut.
Lug nut seized .......... A ...... Require replacement of nut
and/or stud.
Stud incorrect .......... B .... Require replacement of stud.
Threads damaged ......... A ... Require repair or replacement
of component with damaged
threads.
Threads stripped (threads
missing) ............... A .......... Require replacement of
component with stripped
threads.
(1) - Some manufacturers require replacement of all studs on
any wheel if two or more studs or nuts on the same wheel
are broken or missing.









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WHEEL BEARINGS, RACES AND SEALS
NOTE: Grease seal replacement is required if seal is removed.
You are not required to replace these components in axle
sets. Determine the need to replace based upon the
individual component conditions that follow.
WHEEL BEARINGS, RACES AND SEALS INSPECTION









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Condition Code Procedure
Axle seal on drive axle
leaking ................ A . Require replacement of seal and
inspection of axle, bearing,
housing, and vent tube.
Bearing end-play exceeds
specifications ......... B .. Require adjustment of bearing,
if possible. If proper
adjustment cannot be obtained,
require replacement of bearing
assembly.
Bearing rollers, balls or
races are worn, pitted, or
feel rough when rotated as
an assembly ............ B .. Require replacement of bearing
assembly.
Seal leaking ............ A ...... ( 1) Require replacement of
seal and inspection of bearings.
Spindle worn ............ B .. Require replacement of spindle
and bearings.
( 1) - Require inspection of mating and sealing surface and
repair or replace as necessary. Check vent. A plugged
vent may force fluid past the seal.









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WHEEL CYLINDERS
You are not required to replace or rebuild wheel cylinders in
axle sets. However, when rebuilding or replacing a wheel cylinder due

BRAKE SYSTEM
1998 Mitsubishi Montero
1997-98 BRAKES
Mitsubishi - Disc & Drum
Diamante, Eclipse, Galant, Mirage, Montero, Montero Sport,
3000GT
INTRODUCTION
This article contains information on repair and service of
basic hydraulic brake system. If vehicle is equipped with anti-lock
brakes, also see appropriate ANTI-LOCK article.
DESCRIPTION
Brake system consists of a master cylinder, vacuum power
brake booster, proportioning valve and self-adjusting assembly.
Montero has a Load-Sensing Proportioning Valve (LSPV). All models are
equipped with front disc brakes and either rear disc or drum brakes.
Parking brake assembly activates rear brakes.
BLEEDING BRAKE SYSTEM
BLEEDING PROCEDURES
Bleed brakes whenever hydraulic lines are opened or pedal
feels spongy. Bleed system in appropriate sequence. See
BRAKE LINE BLEEDING SEQUENCE table. Use only DOT 3 or DOT 4 approved
fluid and DO NOT mix fluid types.
BRAKE LINE BLEEDING SEQUENCE









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Application Sequence
Diamante, Eclipse, Galant,
Mirage & 3000GT .................................... RR, LF, LR, RF
Montero ....................................... RR, LR, LSPV, RF, LF
Montero Sport ....................................... RR, LR, RF, LF









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ADJUSTMENTS
BRAKE PEDAL HEIGHT, FREE PLAY & CLEARANCE
1) To measure brake pedal height, pull up carpet under brake
pedal. Measure distance between floor board and middle of brake pedal
pad surface with brake pedal released. See BRAKE PEDAL HEIGHT
SPECIFICATIONS table.
2) To adjust pedal height, separate connector from stoplight
switch, and loosen switch lock nut. Back-off switch so it does not
contact brake pedal arm. Loosen master cylinder push rod lock nut.
Adjust brake pedal height by rotating master cylinder push rod until
brake pedal height is within specification.
BRAKE PEDAL HEIGHT SPECIFICATIONS









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Application Pedal Height: In. (mm)\