1991 MITSUBISHI MONTERO tire pressure

(chunking),
exposing cord .......... A ............ Require replacement.
Tread missing pieces
(chunking), not
exposing cord .......... 1 ............ Suggest replacement.
Tread separations A ............ Require replacement.
Tube in tubeless tire 3 .... (4) Suggest removal of tube.
Weather-checking ........ .. ......... No service required or
suggested.
Worn to tread wear
indicators ............. B ............ Require replacement.
( 1) - Determine and correct cause of irregular tire wear.
( 2) - If radials and bias or bias-belted ply tires are on the
same vehicle, the radials must be on the rear axle,
except for high-pressure temporary spares.
( 3) - Excessive is defined as enough to contribute to
performance problems. Match mounting may correct
run-out. If not, require replacement of appropriate
part. Refer to manufacturer's specifications.
( 4) - Most manufacturers do not recommend tubes in tubeless
tires. Inspect tire and wheel assembly to determine
the reason for a tube in tubeless tire. Recommendation
for repair or replacement should be based upon condition
of tires and/or wheel listed in these guidelines.









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VALVE STEMS
VALVE STEM INSPECTION








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Condition Code Procedure
Bent .................... 1 ........... Suggest replacement.
Broken .................. A ........... Require replacement.
Cut, but not leaking .... 1 ........... Suggest replacement.
Deteriorated
(cracking, dry rot) .... 1 ........... Suggest replacement.
Leaking ................. A . Require repair or replacement.
Missing ................. C ........... Require replacement.
Threads damaged ......... A . Require repair or replacement.
Threads stripped ........ A ........... Require replacement.
Valve cap missing ....... C .... Require replacement of cap.
Weather-checking ........ 1 ........... Suggest replacement.
Won't take air .......... A . Require repair or replacement.









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WHEEL ATTACHMENT HARDWARE
For conditions noted below, also check conditions of wheel
stud holes.
CAUTION: Proper lug nut torque is essential. Follow recommended
torque specifications and tightening sequence. DO NOT
lubricate threads unless specified by the vehicle
manufacturer.
WHEEL ATTACHMENT HARDWARE INSPECTION









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Condition Code Procedure
Bent .................... A ............ Require replacement.
Broken .................. A ........ ( 1) Require replacement.

Loose ................... B ... Require repair or replacement
of affected component.
Lug nut installed
backward ............... B .. Require repair or replacement.
Lug nut mating type
incorrect .............. B ..... Require replacement of nut.
Lug nut mating surface
dished ................. A ..... Require replacement of nut.
Lug nut rounded ......... A . (2) Require replacement of nut.
Lug nut seized .......... A . ( 2) Require replacement of nut.
Stud incorrect .......... B .... Require replacement of stud.
Threads damaged ......... A ... Require repair or replacement
of component with damaged
threads.
Threads stripped ........ A .......... Require replacement of
component with stripped
threads.
( 1) - Some manufacturers require replacement of all studs on
that wheel if two or more studs or nuts on the same
wheel are broken or missing.
( 2) - Only required if removing wheel.









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WHEELS (RIMS)
WARNING: Mounting a regular tire on a high-pressure compact spare
wheel is not permitted. Attempting to mount a tire of one
diameter on a wheel of a different diameter or flange
type may result in serious injury or death. If the wheel
identification stamp is not legible, or cannot be found,
do not use the wheel until the size and type have been
properly identified. Wheels of different diameter,
offset, or width cannot be mixed on the same axle. Bead
seat tapers cannot be interchanged.
WHEEL (RIM) INSPECTION









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Condition Code Procedure
Bead leaking, caused
by wheel ............... A ........... ( 1) Require repair or
replacement.
Bent hub mounting
surface ................ A ............ Require replacement.
Bent rim, causing
vibration .............. 2 ........ ( 1) Suggest replacement.
Broken .................. A ............ Require replacement.
Cast wheel porous,
causing a leak ......... A .. Require repair or replacement.
Clip-on balance weight is
incorrect type
for rim flange ......... 2 ............ Suggest replacement.
Corrosion, affecting
structural integrity ... A ............ Require replacement.
Corrosion build-up on
wheel mounting
surface ................ A ................. Require repair.
Cracked ................. A ............ Require replacement.
Directional/asymmetrical
wheels mounted
incorrectly ............ B ....... Require remounting and/or
repositioning.

BRAKE SYSTEM TROUBLE SHOOTING CHART








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CONDITION POSSIBLE CAUSE CORRECTION








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Brakes Pull Left
or Right Incorrect tire pressure Inflate tires to proper
pressure
Front end out of alignment See WHEEL ALIGNMENT
Mismatched tires Check tires sizes
Restricted brake lines
or hoses Check hose routing
Loose or malfunctioning
caliper See DISC BRAKES or
BRAKE SYSTEM
Bent shoe or oily linings See DRUM BRAKES or
BRAKE SYSTEM
Malfunctioning rear brakes See DRUM, DISC BRAKES
or BRAKE SYSTEM
Loose suspension parts See SUSPENSION









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Noises Without
Brakes Applied Front linings worn out Replace linings
Dust or oil on drums See DRUM, DISC BRAKES
or rotors or BRAKE SYSTEM









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Noises With
Brakes Applied Insulator on outboard See DISC BRAKES or
shoe damaged BRAKE SYSTEM
Incorrect pads or linings Replace pads or linings









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Brake Rough, Chatters
or Pulsates Excessive lateral runout Check rotor runout
Parallelism not to
specifications Reface or replace rotor
Wheel bearings not adjusted See SUSPENSION
Rear drums out-of-round Reface or replace drums
Disc pad reversed, steel
against rotor Remove and reinstall
pad









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Excessive Pedal
Effort Malfunctioning power unit See POWER BRAKES or
BRAKE SYSTEM
Partial system failure Check fluid and pipes
Worn disc pad or lining Replace pad or lining
Caliper piston stuck or

Dry or binding clutch Lubricate and align
pedal hub components
Floor mat interference Lay mat flat in proper
with pedal area
Dry or binding ball/fork Lubricate and align
pivots components
Faulty clutch cable Replace clutch cable









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Noisy Clutch Faulty interlock switch Replace interlock
Pedal switch
Self-adjuster ratchet Lubricate or replace
noise self-adjuster
Speed control interlock Lubricate or replace
switch interlock switch









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Clutch Pedal Binding clutch cable See CLUTCH article
Sticks Down
Springs weak in pressure Replace pressure plate
plate
Binding in clutch linkage Lubricate and free
linkage









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Noisy Dry release bearing Lubricate or replace
release bearing
Dry or worn pilot bearing Lubricate or replace
bearing
Worn input shaft bearing Replace bearing









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Transmission Weak springs in pressure Replace pressure plate
Click plate
Release fork loose on ball Replace release fork
stud and/or ball stud
Oil on clutch disc damper Replace clutch disc
Broken spring in slave Replace slave cylinder
cylinder









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DRIVE AXLE - NOISE DIAGNOSIS
Unrelated Noises
Some driveline trouble symptoms are also common to the
engine, transmission, wheel bearings, tires, and other parts of the
vehicle. Ensure cause of trouble actually is in the drive axle before
adjusting, repairing, or replacing any of its parts.
Non-Drive Axle Noises
A few conditions can sound just like drive axle noise and
have to be considered in pre-diagnosis. The 4 most common noises are
exhaust, tires, CV/universal joints and wheel trim rings.

knuckles steering linkage
Rack and pinion mounting Tighten all mounting
loose bolts
Rack and pinion out of See adjustment in
adjustment STEERING article
Tie rod end loose Tighten and check
steering linkage
Excessive Pitman shaft-to- Repair as necessary
ball nut lash









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Poor Lack of lubricant in ball Lubricate and service
Returnability joint or linkage systems
Binding in linkage or ball See STEERING LINKAGE
joints and SUSPENSION article
Improper front end alignment See WHEEL ALIGNMENT
article
Improper tire pressure Inflate to proper
pressure
Tie rod binding Inflate to proper
pressure
Shaft seal rubbing shaft See STEERING COLUMN
article









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Excessive Improper tire pressure Inflate to proper
Vertical Motion pressure
Tires, wheels or rotors Balance tires then
out of balance check wheels and
rotors
Worn or faulty shock Check and replace if
absorbers necessary
Loose tie rod ends or Tighten or replace if
steering necessary
Loose or worn wheel See SUSPENSION article
bearings









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Steering Pulls Improper tire pressure Inflate to proper
to One Side pressure
Front tires are different Rotate or replace if
sizes necessary
Wheel bearings not See FRONT SUSPENSION
article
adjusted properly
Bent or broken suspension See FRONT SUSPENSION
components article
Improper wheel alignment See WHEEL ALIGNMENT
article

Brakes dragging See BRAKES article








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Instability Low or uneven tire Inflate to proper
pressure pressure
Loose or worn wheel See FRONT SUSPENSION
bearings article
Loose or worn idler arm See FRONT SUSPENSION
bushing article
Loose or worn strut See FRONT SUSPENSION
bushings article
Incorrect front wheel See WHEEL ALIGNMENT
alignment article
Steering gear not See MANUAL STEERING
centered GEARS article
Springs or shock Check and replace if
necessary
Improper cross shaft See MANUAL STEERING
GEARS article









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POWER STEERING TROUBLE SHOOTING
NOTE: This is GENERAL information. This article is not intended
to be specific to any unique situation or individual vehicle
configuration. The purpose of this Trouble Shooting
information is to provide a list of common causes to
problem symptoms. For model-specific Trouble Shooting,
refer to SUBJECT, DIAGNOSTIC, or TESTING articles available
in the section(s) you are accessing.
BASIC POWER STEERING TROUBLE SHOOTING CHART









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CONDITION POSSIBLE CAUSE CORRECTION








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Rattle or Pressure hoses touching Adjust to proper
Chucking Noise engine parts clearance
Loose Pitman shaft Adjust or replace if
necessary
Tie rods ends or Pitman Tighten and check system
arm loose
Rack and pinion mounts Tighten all mounting
loose bolts
Free play in worm and See POWER STEERING GEAR
article
Loose sector shaft or See POWER STEERING GEAR
thrust bearing adjustment
Free play in pot coupling See STEERING COLUMN
article

Air in system Bleed air from system
Undercoating on shocks Remove undercoating









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Car Leans or Loose stabilizer bar See SUSPENSION
Sways on Corners
Faulty shocks or mountings Replace shocks or
mountings
Broken or sagging springs See SUSPENSION









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Shock Absorbers Worn seals or reservoir See SUSPENSION
Leaking tube crimped









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Broken Springs Loose "U" bolts See SUSPENSION
Inoperative shock absorbers Replace shock absorbers









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WHEEL ALIGNMENT TROUBLE SHOOTING
NOTE: This is GENERAL information. This article is not intended
to be specific to any unique situation or individual vehicle
configuration. The purpose of this Trouble Shooting
information is to provide a list of common causes to
problem symptoms. For model-specific Trouble Shooting,
refer to SUBJECT, DIAGNOSTIC, or TESTING articles available
in the section(s) you are accessing.
BASIC WHEEL ALIGNMENT TROUBLE SHOOTING CHART









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CONDITION POSSIBLE CAUSE CORRECTION








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Premature Tire Improper tire inflation Check tire pressure
Wear
Front alignment out of See ALIGNMENT SPECS in
tolerance WHEEL ALIGNMENT section
Suspension components worn See SUSPENSION section
Steering system components See STEERING section
worn
Improper standing height See WHEEL ALIGNMENT
Uneven or sagging springs See SUSPENSION section
Bent wheel See WHEEL ALIGNMENT
Improper torsion bar See SUSPENSION section
adjustment
Loose or worn wheel See WHEEL BEARING ADJ.
bearings in SUSPENSION section
Worn or defective shock Replace shock absorbers
Tires out of balance Check tire balance









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Pulls to One Improper tire inflation Check tire pressure
Side
Brake dragging See BRAKE section

Mismatched tires See WHEEL ALIGNMENT
Broken or sagging spring See SUSPENSION section
Broken torsion bar See SUSPENSION section
Power steering valve not See STEERING section
centered
Front alignment out of See WHEEL ALIGNMENT
tolerance section
Defective wheel bearing See WHEEL BEARINGS in
SUSPENSION section
Uneven sway bar links See SUSPENSION section
Frame bent Check for frame damage
Steering system bushing See STEERING section
worn









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Hard Steering Idler arm bushing too tight See STEERING LINKAGE
in STEERING section
Ball joint tight or seized See SUSPENSION section
Steering linkage too tight See STEERING LINKAGE in
STEERING section
Power steering fluid low Add proper amount of
fluid
Power steering drive belt See STEERING section
loose
Power steering pump See STEERING section
defective
Steering gear out of See STEERING section
adjustment
Incorrect wheel alignment See WHEEL ALIGNMENT
Damaged steering gear See STEERING section
Damaged suspension See SUSPENSION section
Bent steering knuckle or See SUSPENSION section
supports









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Vehicle Strut rod or control arm See SUSPENSION section
"Wanders" bushing worn
Loose or worn wheel See WHEEL BEARINGS in
bearings SUSPENSION section
Improper tire inflation Check tire pressure
Stabilizer bar missing or See SUSPENSION section
defective