1991 MITSUBISHI MONTERO breaks

FR O NT S A FE TY B ELT B UCKLE R ELE A SE B UTTO N C AN B REA K
1991 M it s u bis h i M onte ro
NHTSA RECALL BULLETIN
Model(s): 1986 Mitsubishi Cordia
1986 Mitsubishi Galant
1986 Mitsubishi Mirage
1986 Mitsubishi Montero
1986 Mitsubishi Pickup
1986 Mitsubishi Starion
1987 Mitsubishi Cordia
1987 Mitsubishi Galant
1987 Mitsubishi Mirage
1987 Mitsubishi Montero
1987 Mitsubishi Pickup
1987 Mitsubishi Van/Wagon
1988 Mitsubishi Cordia
1988 Mitsubishi Galant
1988 Mitsubishi Mirage
1988 Mitsubishi Montero
1988 Mitsubishi Pickup
1988 Mitsubishi Van/Wagon
1989 Mitsubishi Galant
1989 Mitsubishi Mirage
1989 Mitsubishi Montero
1989 Mitsubishi Pickup
1989 Mitsubishi Sigma
1989 Mitsubishi Van/Wagon
1990 Mitsubishi Eclipse
1990 Mitsubishi Mirage
1990 Mitsubishi Montero
1990 Mitsubishi Pickup
1990 Mitsubishi Sigma
1990 Mitsubishi Van/Wagon
1991 Mitsubishi 3000GT
1991 Mitsubishi Eclipse
1991 Mitsubishi Mirage
1991 Mitsubishi Montero
1991 Mitsubishi Pickup
Campaign No: 95V103004
Number of Affected Vehicles: 658000
Beginning Date of Manufacture: 1985 APR
Ending Date of Manufacture: 1991 JUL
VEHICLE DESCRIPTION:
Passenger vehicles and light duty trucks and vans equipped with safety
belts made by Takata Corporation.
SYSTEM:
Seat belts; belt buckles.
FAULT:
Fastener, Thread failure.
DESCRIPTION OF DEFECT:
The front safety belt buckle release buttons can break. These red
plastic release buttons are marked "PRESS." If a button breaks,
pieces can fall into the buckle assembly causing the buckle to operate

improperly.
CONSEQUENCE OF DEFECT:
The safety belts would not provide adequate protection to an occupant
in a vehicle crash.
CORRECTIVE ACTION:
Owners should promptly check the condition and operation of both front
safety belt buckles and carefully inspect the red release button for
any breaks or cracks. They should ensure that both buckles are
operating properly by inserting each latch plate into its buckle,
tugging on the belt to make sure the latch is securely locked, and
then pressing the release button. The latch plate should pop out of
the buckle when the button is pressed. If either release button shows
a sign of breaking or cracking or if either buckle fails to operate
properly, owners should promptly contact their authorized dealer to
schedule an appointment to have the buckle replaced or repaired, free
of charge. The manufacturer is developing a remedy designed to prevent
failure of the buttons that are not currently broken.
NOTE:
If your vehicle is presented to an authorized dealer on an agreed upon
service date and the remedy is not provided free of charge within a
reasonable time, please contact Mitsubishi at 1-800-222-0037. Also
contact the National Highway Traffic Safety Administration's Auto
Safety Hotline at 1-800-424-9393.
ADDITIONAL INFORMATION:
The National Highway Traffic Safety Administration operates Monday
through Friday from 8:00 AM to 4:00 PM, Eastern Time. For more
information call (800) 424-9393 or (202) 366-0123. For the hearing
impaired, call (800) 424-9153.

ignition switch
Open circuit between Repair circuit
ignition switch and
starter solenoid









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Engine Runs Fuel lines leaking or Tighten fitting,
Rough clogged remove restriction
Initial timing incorrect Reset ignition timing
see ENGINE PERFORMANCE
Centrifugal advance Repair distributor
malfunction advance
Defective spark plugs or Replace plugs or plug
wiring wiring









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Component Failure Spark arc-over on cap, Replace cap, rotor or
rotor or coil or coil
Defective pick-up coil Replace pick-up coil
Defective ignition coil Replace ignition coil
Defective vacuum unit Replace vacuum unit
Defective control module Replace control module









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BASIC ELECTRONIC IGNITION TROUBLE SHOOTING
CHARTS - USING OSCILLOSCOPE PATTERNS









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CONDITION POSSIBLE CAUSE CORRECTION








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Firing Voltage Retarded ignition timing Reset ignition
Lines are the Same, timing, see ENGINE
but Abnormally High PERFORMANCE section
Fuel mixture too lean Readjust carburetor,
see ENGINE PERFORMANCE
High resistance in coil Replace coil wire
wire
Corrosion in coil tower Clean and/or replace
terminal coil
Corrosion in distributor Clean and/or replace
coil terminal distributor cap









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Firing Voltage Fuel mixture too rich Readjust carburetor,
Lines are the Same see ENGINE PERFORMANCE
but Abnormally Low
Breaks in coil wire causing Replace coil wire
arcing
Cracked coil tower causing Replace coil
arcing
Low coil output Replace coil
Low engine compression Determine cause and

repair








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One or More, But Carburetor idle mixture Readjust carburetor,
Not All Firing not balanced see ENGINE PERFORMANCE
Voltage Lines are
Higher Than Others EGR valve stuck open Clean and/or replace
valve
High resistance in spark Replace spark plug
plug wires wires
Cracked or broken spark Replace spark plugs
plug insulator
Intake vacuum leak Repair leak
Defective spark plugs Replace spark plugs
Corroded spark plug Replace spark plugs
terminals









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One or More, But Curb idle mixture not Readjust carburetor,
Not All Firing balanced see ENGINE PERFORMANCE
Voltage Lines Are
Lower Than Others Breaks in plug wires Replace plug wires
causing arcing
Cracked coil tower causing Replace coil
arcing
Low compression Determine cause and
repair
Defective spark plugs Replace spark plugs
Corroded spark plugs Replace spark plugs









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Cylinders Not Cracked distributor cap Replace distributor
Firing terminals cap
Shorted spark plug wire Determine cause and
repair
Mechanical problem in Determine cause and
engine repair
Defective spark plugs Replace spark plugs
Spark plugs fouled Replace spark plugs









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BASIC DRIVEABILITY PROBLEMS TROUBLE SHOOTING TABLE








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CONDITION POSSIBLE CAUSE CORRECTION








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Hard Starting Binding carburetor linkage Eliminate binding
Binding choke linkage Eliminate binding
Binding choke piston Eliminate binding
Restricted choke vacuum Check vacuum lines
for blockage