MITSUBISHI MONTERO 1991 Service Manual
Page 101 of 1333
Abrasion damage,
 affecting structural
 integrity  ..............  A  ..  Require repair or replacement.
Abrasion damage, not
 affecting structural
 integrity  ..............  ..  ........  No service suggested or
                                                        required.
Application incorrect  ...  B  ............  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.
Clamp corroded, not
 reusable  ...............  1  ............  Suggest replacement.
Connected incorrectly  ...  A  .................  Require repair.
Corroded, affecting
 structural integrity  ...  A  ............  Require replacement.
Corroded, not affecting
 structural integrity  ...  ..  ........  No service suggested or
                                                        required.
Cracked  .................  A  ..  Require repair or replacement.
Fitting type incorrect
 (such as compression
 fitting)  ...............  B  ............  Require replacement.
Flange leaking  ..........  A  ..  Require repair or replacement.
Insufficient clamping
 force, allowing hose to
 leak  ...................  A  ..  Require repair or replacement.
Leaking  .................  A  ..  Require repair or replacement.
Melted  ..................  1  ..  Suggest repair or replacement.
Missing  .................  C  ............  Require replacement.
Outer covering damaged to
 the extent that the inner
 fabric is visible  ......  A  ............  Require replacement.
Protective sleeves
 damaged  ................  2  .  Suggest replacement of sleeves.
Protective sleeves
 missing  ................  C  .  Require replacement of sleeves.
Restricted, affecting
 performance  ............  A  ..  Require repair or replacement.
Routed incorrectly  ......  2  .................  Require repair.
Swollen  .................  1  ............  Suggest replacement.
Threads damaged  .........  A  ..  Require repair or replacement.
Threads stripped (threads
 missing)  ...............  A  ............  Require replacement.
Type incorrect  ..........  1  ..  Suggest repair or replacement.
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         AIR CONTROL DOORS
         See  PLENUMS.
         AIR DAMS (EXTERNAL)
AIR DAM (EXTERNAL) INSPECTION         \
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Condition                 Code                          Procedure 
Page 102 of 1333
Application incorrect,
 affecting air
 conditioning
 system performance  .....  A  ..  Require repair or 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.
Bent, affecting air
 conditioning system
 performance  ............  A  ..  Require repair or replacement.
Blocked, affecting air
 conditioning system
 performance  ............  A  ..  Require repair or replacement.
Broken, affecting air
 conditioning system
 performance  ............  A  ..  Require repair or replacement.
Cracked, affecting air
 conditioning system
 performance  ............  A  ..  Require repair or replacement.
Loose, affecting air
 conditioning system
 performance  ............  A  .................  Require repair.
Loose, not affecting air
 conditioning system
 performance  ............  2  .................  Suggest repair.
Missing, affecting air
 conditioning system
 performance  ............  C  ............  Require replacement.
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         AIR DISTRIBUTION SYSTEM
         See  PLENUMS.
         BELTS
BELT INSPECTION         \
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Condition                 Code                          Procedure
Alignment incorrect  .....  B  ..........  ( 1) Further inspection
                                                        required.
Cracked  .................  1  ............  Suggest replacement.
Frayed  ..................  1  ............  Suggest replacement.
Missing  .................  C  ............  Require replacement.
Noisy  ...................  2  ..........  ( 2) Further inspection
                                                        required.
Plies separated  .........  A  ............  Require replacement.
Serpentine belt routed
 incorrectly  ............  B  .................  Require repair.
Tension out of
 specification  ..........  B  ...........  Require adjustment or
                                                     replacement.
Worn beyond
 adjustment range  .......  B  ............  Require replacement. 
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Worn so it contacts
 bottom of pulley  .......  A  ............  Require replacement.
(1) - Determine cause of incorrect alignment and require repair.
( 2) - Determine cause of noise and suggest repair.
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          BLEND DOORS
         See  PLENUMS.
         BLOWER FANS (BLOWER WHEEL OR SQUIRREL CAGE)
BLOWER FAN (BLOWER WHEEL OR SQUIRREL CAGE) 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.
Application incorrect  ...  B  ..  Require repair or replacement.
Broken  ..................  A  ............  Require replacement.
Cracked  .................  A  .............  Require replacement
Distorted  ...............  A  ............  Require replacement.
Fins missing  ............  C  ............  Require replacement.
Hub separated  ...........  A  ............  Require replacement.
Inoperative  .............  A  ........  ( 1) Require replacement.
Mounting loose  ..........  A  ..  Require repair or replacement.
Noisy  ...................  2  ............  Suggest replacement.
Out of balance  ..........  A  ..  Require repair or replacement.
( 1) - Inoperative includes intermittent operation or out of
      OEM specification.
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          BLOWER MOTORS
BLOWER MOTOR 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,
 affecting performance  ..  A  ...........  ( 1) Require repair or
                                                     replacement.
Connector melted, not 
Page 104 of 1333
 affecting performance  ..  2  ...........  (1) Suggest repair or
                                                     replacement.
Connector missing  .......  C  ............  Require replacement.
Current draw out of
 specification  ..........  B  ..  Require repair or replacement.
Inoperative  .............  A  ........  ( 2) Require replacement.
Missing  .................  C  ............  Require replacement.
Motor speed
 insufficient  ...........  2  ..  Suggest repair or replacement.
Noisy  ...................  2  ............  Suggest replacement.
Rotation incorrect for
 application  ............  B  ..  Require repair or replacement.
Terminal broken  .........  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.
Vibration  ...............  1  ............  Suggest 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) - Determine cause and correct prior to repair or
      replacement of part.
( 2) - Check fan motor/controls. Inoperative includes
      intermittent operation or out of OEM specification.
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          BLOWER RESISTORS
BLOWER RESISTOR 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.
Conductor exposed  .......  A  ............  Require replacement.
Connector broken  ........  A  ..  Require repair or replacement.
Connector melted,
 affecting performance  ..  A  ...........  ( 1) Require repair or
                                                     replacement.
Connector melted, not
 affecting performance  ..  1  ...........  ( 1) Suggest repair or
                                                     replacement. 
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Connector missing  .......  C  ............  Require replacement.
Inoperative  .............  A  ........  (2) Require replacement.
Insulation overheated  ...  A  ............  Require replacement.
Terminal broken  .........  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.
( 1) - Determine cause and correct prior to repair or
      replacement of part.
( 2) - Inoperative includes intermittent operation or out of
      OEM specification.
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          BLOWER SWITCHES
         See  SWITCHES.
         CABIN AIR FILTERS
CABIN AIR FILTER INSPECTION         \
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Condition                 Code                          Procedure
Air flow obstruction  ....  A  .............  Require cleaning or
                                                     replacement.
Maintenance intervals  ...  3  ............  Suggest replacement.
Missing  .................  C  ............  Require replacement.
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         CIRCUIT BREAKERS
         See  FUSES, FUSIBLE LINKS AND CIRCUIT BREAKERS .
         COMPRESSOR CLUTCH ASSEMBLIES
COMPRESSOR CLUTCH ASSEMBLY INSPECTION         \
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Condition                 Code                          Procedure
Air gap incorrect  .......  B  ..  Require repair or replacement.
Bearing seized  ..........  A  ..  Require replacement of bearing
                                                     or assembly.
Bearing worn, affecting
 performance  ............  A  ..  Require replacement of bearing
                                                     or assembly.
Coil shows signs of
 overheating  ............  1  ....  Suggest replacement of coil.
Connector broken  ........  A  ..  Require repair or replacement.
Connector (Weatherpack
 type) leaking  ..........  A  ..  Require repair or replacement.
Connector melted, 
Page 106 of 1333
 affecting performance  ..  A  ...........  (1) Require repair or
                                                     replacement.
Connector melted, not
 affecting performance  ..  2  ...........  ( 1) Suggest repair or
                                                     replacement.
Connector missing  .......  C  ............  Require replacement.
Hub broken  ..............  A  ............  Require replacement.
Hub cracked  .............  B  ............  Require replacement.
Hub loose on shaft  ......  A  ............  Require replacement.
Hub scored, affecting
 performance  ............  A  ............  Require replacement.
Hub warped, affecting
 performance  ............  A  ............  Require replacement.
Inoperative  .............  A  ...........  ( 2) Require repair or
                                                     replacement.
Noisy  ...................  2  ..  Suggest repair or replacement.
Slips  ...................  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.
Will not disengage  ......  A  ..  Require repair or replacement.
Wire lead burned  ........  A  ..  Require repair or replacement.
Wire lead conductors
 exposed  ................  B  ..  Require repair or replacement.
Wire lead open  ..........  A  ..  Require repair or replacement.
Wire lead shorted  .......  A  ..  Require repair or replacement.
( 1) - Determine cause and correct prior to repair or
      replacement of part.
( 2) - Inoperative includes intermittent operation or out of
      OEM specification.
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          COMPRESSORS
COMPRESSOR 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.
Bracket bent, affecting
 performance  ............  A  ..  Require repair or replacement.
Bracket bent, not
 affecting performance  ..  ..  ........  No service suggested or
                                                        required. 
Page 107 of 1333
Bracket broken, affecting
 performance  ............  A  ............  Require replacement.
Bracket broken, not
 affecting performance  ..  ..  ........  No service suggested or
                                                        required.
Bracket corroded,
 affecting performance  ..  A  ..  Require repair or replacement.
Bracket corroded, not
 affecting performance  ..  2  ..  Suggest repair or replacement.
Bracket cracked, affecting
 performance  ............  A  ..  Require repair or replacement.
Bracket cracked, not
 affecting performance  ..  1  ..  Suggest repair or replacement.
Bracket holes elongated,
 affecting performance  ..  A  ..  Require repair or replacement.
Bracket holes elongated,
 not affecting
 performance  ............  ..  ........  No service suggested or
                                                        required.
Bracket loose, affecting
 performance  ............  A  ..  Require repair or replacement.
Bracket loose, not
 affecting performance  ..  1  ..  Suggest repair or replacement.
Bracket missing  .........  C  ............  Require replacement.
Housing broken, affecting
 performance  ............  A  ..  Require repair or replacement.
Housing broken, not
 affecting performance  ..  ..  ........  No service suggested or
                                                        required.
Housing cracked, affecting
 performance  ............  A  ..  Require repair or replacement.
Housing cracked, not
 affecting performance  ..  1  ..  Suggest repair or replacement.
Inoperative  .............  A  ...........  (1) Require repair or
                                                     replacement.
Leaking  .................  A  ..  Require repair or replacement.
Noisy  ...................  2  ...........  ( 2) Suggest repair or
                                                     replacement.
Threads damaged  .........  A  ..  Require repair or replacement.
Threads stripped (threads
 missing)  ...............  A  ............  Require replacement.
Tubing connection
 leaking  ................  A  ..  Require repair or replacement.
( 1) - Inoperative includes intermittent operation or out of
      OEM specification.
( 2) - Compressor noise can also be caused by low oil level,
      state of charge, air contamination, or type of
      refrigerant.
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          CONDENSER AIR SEALS
CONDENSER AIR SEAL INSPECTION         \
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Condition                 Code                          Procedure
Leaking  .................  A  .  Require repair or replacement.
Missing  .................  C  ...........  Require replacement.
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         CONDENSER FAN MOTORS