1991 MITSUBISHI MONTERO clutch

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CONDITION POSSIBLE CAUSE CORRECTION








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Chattering or Incorrect clutch adjustment Adjust clutch
Grabbing
Oil, grease or glaze on Disassemble and clean
facings or replace
Loose "U" joint flange See DRIVE AXLES
article
Worn input shaft spline Replace input shaft
Binding pressure plate Replace pressure plate
Binding release lever See CLUTCH article
Binding clutch disc hub Replace clutch disc
Unequal pressure plate Replace worn/misaligned
contact components
Loose/bent clutch disc Replace clutch disc
Incorrect transmission Realign transmission
alignment
Worn pressure plate, disc Replace damaged
or flywheel components
Broken or weak pressure Replace pressure
springs plate
Sticking clutch pedal Lubricate clutch pedal
& linkage
Incorrect clutch disc Replace clutch disc
facing
Engine loose in chassis Tighten all mounting
bolts









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Failure to Oil or grease on clutch Clean or replace clutch
Release facings clutch disc
Incorrect release lever or See CLUTCH article
pedal adjustment
Worn or broken clutch Replace clutch disc
facings
Bent clutch disc or Replace damaged
pressure plate components
Clutch disc hub binding on Clean or replace clutch
input shaft disc and/or input shaft
Binding pilot bearing Replace pilot bearing
Sticking release bearing Replace release bearing
sleeve and/or sleeve
Binding clutch cable See CLUTCH article

Defective clutch master Replace master cylinder
Defective clutch slave Replace slave cylinder
Air in hydraulic system Bleed hydraulic system









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Rattling Weak or broken release Replace spring and
lever spring check alignment
Damaged pressure plate Replace pressure plate
Broken clutch return spring Replace return spring
Worn splines on clutch disc Replace clutch disc
or input shaft and/or input shaft
Worn clutch release bearing Replace release bearing
Dry or worn pilot bearing Lubricate or replace
pilot bearing
Unequal release lever Align or replace
contact release lever
Incorrect pedal free play Adjust free play
Warped or damaged clutch Replace damaged
disc components









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Slipping Pressure springs worn or Release pressure plate
Oily, greasy or worn Clean or replace clutch
facings disc
Incorrect clutch alignment Realign clutch assembly
Warped clutch disc or Replace damaged
pressure plate components
Binding release levers or Lubricate and/or
clutch pedal replace release
components









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Squeaking Worn or damaged release Replace release bearing
Dry or worn pilot or Lubricate or replace
release bearing assembly
Pilot bearing turning in Replace pilot bearing
crankshaft and/or crankshaft
Worn input shaft bearing Replace bearing and
seal
Incorrect transmission Realign transmission
alignment
Dry release fork between Lubricate release fork
pivot and pivot









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Heavy and/or Sticking release bearing Replace release bearing
Stiff Pedal sleeve and/or sleeve

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.

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Knocking or Clunking
Differential Side Gear
Clearance Check Clearance
Worn Pinion Shaft Replace Pinion Shaft
Axle Shaft End Play Check End Play
Missing Gear Teeth Check Differential/
Replace Gear
Wrong Axle Backlash Check Backlash
Misaligned Driveline Realign Driveline









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Clinking During Engagement
Side Gear Clearance Check Clearance
Ring and Pinion Backlash Check Backlash
Worn/Loose Pinion Shaft Replace Shaft/Bearing
Bad "U" Joint Replace "U" Joint
Sticking Slip Yoke Lube Slip Yoke
Broken Rear Axle Mount Replace Mount
Loose Drive Shaft Flange Check Flange









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Click/Chatter On Turns
Differential Side Gear
Clearance Check Clearance
Wrong Turn On Plates (1) Replace Clutch Plates
Wrong Differential
Lubricant ( 1) Change Lubricant









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Knock Or Click Flat Spot on Rear
Wheel Bearing Replace Wheel Bearing









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Low Vibration At All Speeds
Faulty Wheel Bearing Replace Wheel Bearing
Faulty "U" Joint Replace "U" Joint
Faulty Drive Shaft Balance Drive Shaft
Faulty Companion Flange Replace Flange
Faulty Slip Yoke Flange Replace Flange
( 1) - Limited slip differential only.









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FWD AXLE SHAFTS & CV JOINTS 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