Mitsubishi Montero (1991+). Manual - part 300

 

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Mitsubishi Montero (1991+). Manual - part 300

 

 



Starter Drive      Starter motor loose on      Tighten starter

Will Not           mountings                   attach bolts

Disengage

                   Worn drive end bushing      See STARTER article

                   Damaged engine flywheel     Replace flywheel and

                   teeth                       starter pinion gear for

                                               damage

                   Drive yolk return spring    Replace return spring

                   broken or missing

                   Faulty ignition switch      Replace ignition switch

                   Insufficient clearance      Replace starter

                   between winding leads to    solenoid

                   solenoid terminal and main

                   contact in solenoid

                   Starter clutch not          Replace starter clutch

                   disengaging

                   Ignition starter switch     Replace ignition switch

                   contacts sticking



Starter Relay      Faulty solenoid switch,     Check all wiring

Operates but       switch connections or       between relay and

Solenoid Does Not                              solenoid or replace

                                               relay or solenoid as

                                               necessary

                   Broken lead or loose        Repair wire or wire

                   soldered connections        connections as

                                               necessary



Solenoid Plunger   Weak battery                Charge or replace

Vibrates When                                  battery as necessary

Switch is Engaged

                   Solenoid contacts           Clean contacts or

                   corroded                    replace solenoid

                   Faulty wiring               Check all wiring

                                               leading to solenoid

                   Broken connections inside   Repair connections or

                   switch cover                replace solenoid

                   Open hold-in wire           Replace solenoid



Low Current Draw   Worn brushes or weak        Replace brushes or

                                               brush springs as

                                               necessary



High Pitched Whine Distance too great          Align starter or check

During Cranking    between starter             that correct starter

Before Engine      pinion and flywheel         and flywheel are being

Fires but Engine                               used

Fires and Cranks

Normally



High Pitched       Distance too small between

Whine After Engine starter pinion and flywheel

Fires With Key     Flywheel runout contributes

released. Engine   to the intermittent nature

Fires and Cranks

Normally



         AIR CONDITIONING & HEAT

         AIR CONDITIONING TROUBLE SHOOTING

WARNING: 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 AIR CONDITIONING TROUBLE SHOOTING CHART



CONDITION                          POSSIBLE CAUSE



Compressor Not Working          

  Compressor clutch circuit open.

                                

  Compressor clutch coil inoperative.

                                

  Poor clutch ground connection.

                                

  Fan belts loose.

                                

  Thermostatic switch inoperative.

                                

  Thermostatic switch not adjusted.

                                

  Ambient temperature switch open.

                                

  Superheat fuse blown.



Excessive Noise or Vibration    

  Missing or loose mounting bolts.

                                

  Bad idler pulley bearings.

                                

  Fan belts not tightened correctly.

                                

  Compressor clutch contacting body.

                                

  Excessive system pressure.

                                

  Compressor oil level low.

                                

  Damaged clutch bearings.

                                

  Damaged reed valves.

                                

  Damaged compressor.



Insufficient or No Cooling;

 Compressor Working             

  Expansion valve inoperative.

                                

  Heater control valve stuck open.

                                

  Low system pressure.

                                

  Blocked condenser fins.

                                

  Blocked evaporator fins.

                                

  Vacuum system leak.

                                

  Vacuum motors inoperative.

                                

  Control cables improperly adjusted.

                                

  Restricted air inlet.

                                

  Mode doors binding.

                                

  Blower motor inoperative.

                                

  Temperature above system capacity.



         HEATER SYSTEM 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 DIAGNOSTIC, or TESTING articles available in the

         section(s) you are accessing.

BASIC HEATER SYSTEM TROUBLE SHOOTING CHART



CONDITION                       POSSIBLE CAUSE



Insufficient, Erratic,

or No Heat                      

  Low Coolant Level

                                

  Incorrect thermostat.

                                

  Restricted coolant flow through

                                   heater core.

                                

  Heater hoses plugged.

                                

  Misadjusted control cable.

                                

  Sticking heater control valve.

                                

  Vacuum hose leaking.

                                

  Vacuum hose blocked.

                                

  Vacuum motors inoperative.

                                

  Blocked air inlet.

                                

  Inoperative heater blower motor.

                                

  Oil residue on heater core fins.

                                

  Dirt on heater core fins.



Too Much Heat                   

  Improperly adjusted cables.

                                

  Sticking heater control valve.

                                

  No vacuum to heater control valve.

                                

  Temperature door stuck open.



Air Flow Changes During

 Acceleration                   

  Vacuum system leak.

                                

  Bad check valve or reservoir.



Air From Defroster At All

 Times                          

  Vacuum system leak.

                                

  Improperly adjusted control cables.

                                

  Inoperative vacuum motor.



Blower Does Not Operate

 Correctly                      

  Blown fuse.

                                

  Blower motor windings open.

                                

  Resistors burned out.

                                

  Motor ground connection loose.

                                

  Wiring harness connections loose.

                                

  Blower motor switch inoperative.

                                

  Blower relay inoperative.

                                

  Fan binding or foreign object

                                   in housing.

                                

  Fan blades broken or bent.



         BRAKES

         BRAKE SYSTEM 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.

BRAKE SYSTEM TROUBLE SHOOTING CHART



CONDITION         POSSIBLE CAUSE               CORRECTION



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



Noises Without

Brakes Applied    Front linings worn out       Replace linings

                  Dust or oil on drums         See DRUM, DISC BRAKES

                  or rotors                    or BRAKE SYSTEM



Noises With

Brakes Applied    Insulator on outboard       See DISC BRAKES or

                  shoe damaged                BRAKE SYSTEM

                  Incorrect pads or linings   Replace pads or linings



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



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

 

 

 

 

 

 

 

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