1988 JEEP CHEROKEE lock

INTERMEDIATE SHAFT SUPPORT BEARINGS
INTERMEDIATE SHAFT SUPPORT BEARING 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.
Bearing rollers, balls or
races are worn, pitted,
noisy, or feel rough when
rotated as an assembly . A .. Require replacement of bearing
assembly.
Bracket bent, affecting
performance ............ A .. Require repair or replacement.
Bracket bent, not
affecting performance .. .. ........ No service suggested or
required.
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
performances) .......... .. ........ 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.
Cracked ................. .. ........... Require replacement.
Rough (brinelling,
spalling) .............. A ............ Require replacement.
Rubber deteriorated,
affecting performance .. A ............ Require replacement.
Seized .................. A ............ Require replacement.









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KEY INTERLOCK SYSTEMS
See
SHIFT INTERLOCK SYSTEMS (SELECTOR AND KEY INTERLOCK SYSTEMS) .
LIMITED SLIPS

See DIFFERENTIAL AND FINAL DRIVE ASSEMBLIES .
LINES
See HOSES, LINES AND TUBES .
LINKAGES (EXTERNAL)
LINKAGE (EXTERNAL) INSPECTION








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Condition Code Procedure
Components missing ...... C .. Require replacement of missing
components.
Linkage bent, affecting
performance ............ A ... Require repair or replacement
of linkage.
Linkage bent, not
affecting performance .. 2 ... Suggest repair or replacement
of linkage.
Linkage binding, affecting
performance ............ A ... Require repair or replacement
of linkage.
Linkage binding, not
affecting performance .. 1 ... Suggest repair or replacement
of linkage.
Linkage broken .......... A ... Require repair or replacement
of linkage.
Linkage loose, affecting
performance ............ A ... Require repair or replacement
of linkage.
Linkage loose, not
affecting performance .. 1 ... Suggest repair or replacement
of linkage.
Linkage missing ......... C ............ Require replacement.
Linkage noisy ........... 2 .. Suggest repair or replacement.
Out of adjustment ....... B .. Require repair or replacement.
Worn to the extent that it
no longer performs its
intended function ...... A .. Require repair or replacement.









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LOCKING HUB ASSEMBLIES
LOCKING HUB ASSEMBLY INSPECTION








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Condition Code Procedure
Inoperative ............. A ........... ( 1) Require repair or
replacement.
Loose ................... A .. Require repair or replacement.
Seized in any position .. A .. Require repair or replacement.
( 1) - Inoperative includes intermittent operation.









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LOCKING HUB CONTROL KNOBS
LOCKING HUB CONTROL KNOB INSPECTION








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Condition Code Procedure

vent may force fluid past the seal.








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SEALS (METAL-CLAD)
See SEALS.
SELECTOR INTERLOCK SYSTEMS
See
SHIFT INTERLOCK SYSTEMS (SELECTOR AND KEY INTERLOCK SYSTEMS) .
SERVOS
See ACTUATORS (VACUUM) .
SHIFT INTERLOCK SYSTEMS (SELECTOR AND KEY INTERLOCK SYSTEMS)
See:
ACTUATORS (ELECTRICAL)
CABLES
LINKAGES (EXTERNAL)
SWITCHES
SENSORS
SENSOR 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 ........ A ........... ( 1) Require repair or
replacement.
Connector missing ....... C ............ Require replacement.
Inoperative ............. A ........... ( 2) Require repair or
replacement.
Leaking
(vacuum/fluid/air) ..... A ............ Require replacement.
Out of adjustment ....... B .......... ( 3) Further inspection
required.
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

incorrect .............. B ............ Require replacement.
Teeth broken ............ A ............ Require replacement.
Teeth damaged, affecting
performance ............ A ............ Require replacement.









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TORQUE CONVERTERS
TORQUE CONVERTER INSPECTION








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Condition Code Procedure
Converter clutch lock-up
operation is faulty .... A ............ Require replacement.
Cover shell damaged,
affecting performance .. A ............ Require replacement.
Does not meet stall speed
specification .......... B ............ Require replacement.
End play exceeds
specifications ......... B ............ Require replacement.
Hub broken .............. A ............ Require replacement.
Hub cracked ............. A ............ Require replacement.
Internal component
failure ................ A ............ Require replacement.
Leaking ................. A .. Require repair or replacement.
Pilot broken ............ A ............ Require replacement.
Pilot worn, affecting
performance ............ A ............ Require replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
Weights missing ......... C ............ Require replacement.









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TRANSAXLE MOUNTS
See MOUNTS (ENGINE, TRANSAXLE AND TRANSMISSION) .
TRANSDUCERS (TRANSMISSION)
See SENSORS.
TRANSMISSION COOLERS
TRANSMISSION COOLER INSPECTION








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Condition Code Procedure
Air flow obstruction .... A ................. Require repair.
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.
Connection leaking ...... A .. Require repair or replacement.
Contaminated ............ A .. Require repair or replacement.
Corroded ................ 1 .. Suggest repair or replacement.
Fins damaged, affecting

Fig. 1: Jeep V8 Carbureted Engine EGR System
Courtesy of Chrysler Motors.
THERMAL VACUUM SWITCH (TVS)
Used only on carbureted 6-cylinder and V8 engines, this
switch is located in air cleaner and acts as on-off switch for EGR
system. It is controlled by ambient temperature in air cleaner. Switch
controls vacuum passage between CTO switch and EGR valve. Below preset
temperature, TVS blocks passage of vacuum delaying EGR operation and
improving cold driveability.

B+ Latch Relay On center of right front
wheelwell.
Choke Relay On right front wheelwell.
Door Lock/Unlock Relays Under dash, behind right kick
panel.
Fog Light Relay Behind right headlight, on
wheelwell.

Fuel Pump Relay On right front wheelwell.
Horn Relay Taped to wiring harness, above
fuse block.
Load Swap Relay On front of right front
wheelwell.
Power Antenna Relay Under right side of dash.

Left Turn Signal Relay Above left rear wheelwell.
Right Turn Signal Relay Above left rear wheelwell.








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CIRCUIT PROTECTION DEVICES









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Component Component Location
Circuit Breakers
Power Accessories In fuse block.
Power Window In fuse block.
Trailer Towing Above left rear wheelwell.
Windshield Wiper On side of fuse block.
Fuse Block Under left side of dash.