1988 JEEP CHEROKEE Service Repair Manual

tow bar key fob battery instrument panel differential brake rotor belt

Page 145 of 1378

$JEEP CHEROKEE 1988 Service Repair Manual ��\ ��\ ��\ ��\ ��\ ��\ ��\ �� Condition Code$

\
\
\
\
\
\
\

Condition Code Procedure
Air control door
binding ................ A ... Require repair or replacement
Air control door
broken ................. A .. Require repair or replacement.
Air control door
leaking ................ A .. Require repair or replacement.
Air control door
seized ................. 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.
Cracked ................. 2 .. Suggest repair or replacement.
Drain hole restricted ... A ................. Require repair.
Drain plugged ........... A ................. Require repair.
Duct disconnected ....... A .. Require repair or replacement.
Duct leaking ............ A .. Require repair or replacement.
Duct missing ............ C ............ Require replacement.
Duct restricted ......... A .. Require repair or replacement.
Leaking ................. A .. Require repair or replacement.
Noisy ................... 2 ..... Suggest cleaning or repair.
Odor .................... 2 ..... Suggest cleaning or repair.
Restricted .............. A .... Require cleaning, repair, or
replacement.
\
\
\
\
\
\
\

PRESSURE CONTROL VALVES
See:
* EVAPORATOR PRESSURE REGULATORS (EPRS)
* HIGH PRESSURE RELIEF VALVES (HPRV)
* PILOT-OPERATED ABSOLUTES (POAS)
* SUCTION THROTTLING VALVES (STVS)
* VALVES IN RECEIVER (VIRS)
PRESSURE SENSORS
See THERMISTORS AND PRESSURE SENSORS .
PULLEYS
PULLEY INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Alignment incorrect ..... B .. Require repair or replacement.
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

Page 146 of 1378

JEEP CHEROKEE 1988 Service Repair Manual functioning ............ A ... Require repair or replacement
of hardware.
Bearing noisy ........... 2 ............ Suggest replacement.
Be

functioning ............ A ... Require repair or replacement
of hardware.
Bearing noisy ........... 2 ............ Suggest replacement.
Bearing seized .......... A .. Require repair or replacement.
Bearing worn ............ 1 ............ Suggest replacement.
Cracked ................. A ............ Require replacement.
Loose ................... A .. Require repair or replacement.
Missing ................. C ............ Require replacement.
Pulley damaged, affecting
belt life .............. A ............ Require replacement.
\
\
\
\
\
\
\

RADIATORS
RADIATOR INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Air flow obstruction .... A ................. Require repair.
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.
Connection leaking ...... A .. Require repair or replacement.
Corroded ................ 1 .. Suggest repair or replacement.
Drain inoperative ....... A .. Require repair or replacement.
Fins damaged, affecting
performance ............ A .. Require repair or replacement.
Fins damaged, not
affecting performance .. .. ........ No service suggested or
required.
Internal oil cooler
leaking ................ A .. Require repair or replacement.
Internal restrictions ... B .. Require repair or replacement.
Leaking ................. A .. Require repair or replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A .. Require repair or replacement.
Tubes damaged, affecting
performance ............ A .. Require repair or replacement.
Tubes damaged, not
affecting performance .. .. ........ No service suggested or
required.
\
\
\
\
\
\
\

RECEIVER-DRIERS
NOTE: For VIRs, see VALVES IN RECEIVER (VIRS) .
RECEIVER-DRIER INSPECTION
\
\
\
\
\
\
\

Condition Code Procedure
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware

Page 147 of 1378

JEEP CHEROKEE 1988 Service Repair Manual missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require r

missing ................ C .......... Require replacement of
hardware.
Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Contaminated, affecting
performance ............ A ............ Require replacement.
Dessicant bag
deteriorated ........... A ........ (1) Require replacement.
Further inspection required.
Dessicant at the end of
its useful life (saturated
with moisture) ......... 1 .. Suggest repair or replacement.
Fusible plug leaking .... A .... Require replacement of plug.
Leaking ................. A ............ Require replacement.
Pressure relief device
leaking ................ A . Require replacement of pressure
relief device.
Restricted .............. A .. Require repair or replacement.
Sight glass no longer
transparent ............ 2 ... Suggest replacement of drier.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
Tubing connection
leaking ................ A .. Require repair or replacement.
( 1) - Inspect system to determine effects of dessicant bag
deterioration.
\
\
\
\
\
\
\

REFRIGERANT
NOTE: Refrigerants include any SNAP (Significant New Alternative
Policy)-approved blends.
REFRIGERANT INSPECTION
\
\
\
\
\
\
\

Condition Code Procedure
Contaminated (other than
refrigerant blends) .... B ........ Require service to remove
contamination.
Different types of
refrigerants in the same
system (other than
refrigerant blends) .... B ................. Require repair.
Overcharged ............. B ................. Require repair.
Refrigerant type
does not match
fittings and label ..... B ................. Require repair.
Undercharged ............ B ................. Require repair.
\
\
\
\
\
\
\

REFRIGERANT OIL
REFRIGERANT OIL INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Contaminated ............ 1 .. Require repair or replacement.
Overfilled .............. B ................. Require repair.

Page 148 of 1378

$JEEP CHEROKEE 1988 Service Repair Manual Underfilled ............. B ................. Require repair.��\ ��\ ��\ ��\ ��\ ��\ ��$

Underfilled ............. B ................. Require repair.\
\
\
\
\
\
\

RELAYS
RELAY INSPECTION\
\
\
\
\
\
\

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.
Housing broken .......... A ............ Require replacement.
Housing cracked ......... 2 ............ Suggest replacement.
Inoperative ............. A ........ ( 1) Require replacement.
Melted, affecting
performance ............ A ........... ( 2) Require repair or
replacement.
Melted, not affecting
performance ............ 2 ........... ( 2) Suggest repair or
replacement.
Missing ................. C ............ Require replacement.
Terminal broken ......... A .. Require repair or replacement.
Terminal burned, affecting
performance ............ A ........... ( 2) 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) - Inoperative includes intermittent operation or out of
OEM specification.
( 2) - Determine cause and correct prior to repair or
replacement of part.
\
\
\
\
\
\
\

SEALS
SEAL INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Leaking ................. A ........... ( 1) Require repair or
replacement.
( 1) - Require inspection of mating and sealing surface and
repair or replace as necessary.
\
\
\
\
\
\
\

SERVICE PORTS

Page 149 of 1378

$JEEP CHEROKEE 1988 Service Repair Manual SERVICE PORT INSPECTION��\ ��\ ��\ ��\ ��\ ��\ ��\ �� Condition Code$

SERVICE PORT INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Application
does not match
refrigerant type ....... B ............ Require replacement.
Leaking ................. A .. Require repair or replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
Valve cap leaking ....... A ... Require repair or replacement
of cap.
Valve cap missing ....... C .... Require replacement of valve
cap.
Valve core sticking ..... B .. Require repair or replacement.
\
\
\
\
\
\
\

SPRING LOCK COUPLINGS
SPRING LOCK COUPLING INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Leaking ................. A ........... ( 1) Require repair or
replacement.
( 1) - Require inspection of mating and sealing surface and
repair or replace as necessary.
\
\
\
\
\
\
\

SUCTION THROTTLING VALVES (STVS)
SUCTION THROTTLING VALVE (STV) INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Connection damaged ...... B .. Require repair or replacement.
Fitting damaged ......... B .. Require repair or replacement.
Inoperative ............. A ........... ( 1) Require repair or
replacement.
Leaking ................. A .. Require repair or replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
( 1) - Inoperative includes intermittent operation or out of
OEM specification.
\
\
\
\
\
\
\

SWITCHES (ELECTRICAL)
SWITCH (ELECTRICAL) INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
missing ................ C .......... Require replacement of
hardware.

Page 150 of 1378

JEEP CHEROKEE 1988 Service Repair Manual Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Binding, affecting
performance ............

Attaching hardware not
functioning ............ A ... Require repair or replacement
of hardware.
Binding, affecting
performance ............ A .. Require repair or replacement.
Binding, not affecting
performance ............ 2 .. Suggest repair or replacement.
Broken .................. A .. Require repair or replacement.
Burned, affecting
performance ............ A ........... (1) Require repair or
replacement.
Burned, not affecting
performance ............ 2 ........... ( 1) Suggest repair or
replacement.
Cracked, affecting
performance ............ A .. Require repair or replacement.
Cracked, not affecting
performance ............ 1 .. Suggest repair or replacement.
Malfunctioning .......... A ........... ( 2) Require repair or
replacement.
Melted, affecting
performance ............ A ........... ( 1) Require repair or
replacement.
Melted, not affecting
performance ............ 2 ........... ( 1) Suggest repair or
replacement.
Missing ................. C ........ ( 3) Require replacement.
Out of adjustment ....... B .. Require repair or replacement.
Pressure switch leaking . A .. 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.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
Won't return ............ A .. Require repair or replacement.
Worn .................... 1 ............ Suggest replacement.
( 1) - Determine cause and correct prior to repair or
replacement of part.
( 2) - Includes inoperative, intermittent operation, or failure
to perform all functions.
( 3) - Missing includes high pressure cut-off switches not
installed during a retrofit from R12 to R134a.
\
\
\
\
\
\
\

TENSIONERS
TENSIONER INSPECTION\
\
\
\
\
\
\

Condition Code Procedure

Page 151 of 1378

JEEP CHEROKEE 1988 Service Repair Manual Alignment incorrect ..... B .. Require repair or replacement.
Application incorrect ... B ............ Require replacement.
Attaching hardware
broken ................. A ... Require repai

Alignment incorrect ..... B .. Require repair or replacement.
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.
Bearing worn ............ 1 ............ Suggest replacement.
Belt tension incorrect .. B ... Require adjustment or repair.
Bracket cracked ......... A .. Require repair or replacement.
Housing cracked ......... A .. Require repair or replacement.
Missing ................. C ............ Require replacement.
Noisy ................... 2 ............ Suggest replacement.
Pulley damaged, affecting
belt life .............. A ............ Require replacement.
Seized .................. A .. Require repair or replacement.
\
\
\
\
\
\
\

THERMISTORS AND PRESSURE SENSORS
NOTE: Includes, but not limited to, In-Car Temperature, Ambient
Air Temperature, Sun Load Sensor, etc.
THERMISTOR AND PRESSURE SENSOR INSPECTION
\
\
\
\
\
\
\

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.
Calibration incorrect ... B .. Require repair or replacement.
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
affecting performance .. 2 ........... ( 1) Suggest repair or
replacement.
Connector missing ....... C ............ Require replacement.
Inoperative ............. A ........... ( 2) Require repair or
replacement.
Missing ................. C ............ Require 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.

Page 152 of 1378

JEEP CHEROKEE 1988 Service Repair Manual Terminal loose, affecting
performance ............ B .. Require repair or replacement.
Terminal loose, not
affecting performance .. 1 .. Suggest repair or replacement.
Wire lead burned ....

Terminal loose, affecting
performance ............ B .. Require repair or replacement.
Terminal loose, not
affecting performance .. 1 .. Suggest 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.
\
\
\
\
\
\
\

THERMOSTATS AND HOUSINGS
THERMOSTAT AND HOUSING INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Application incorrect ... B ............ Require replacement.
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware
corroded ................ 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.
Cracked ................. A ............ Require replacement.
Housing corroded ........ 1 .......... Suggest replacement of
housing.
Inoperative ............. A ........ ( 1) Require replacement.
Installation incorrect .. B .. Require repair or replacement.
Leaking ................. A .. Require repair or replacement.
Thermostat missing ...... C .......... Require replacement of
thermostat.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A .. Require repair or replacement.
( 1) - Inoperative includes intermittent operation or out of
OEM specification.
\
\
\
\
\
\
\

VACUUM HOSES AND TUBES
VACUUM HOSE AND TUBE INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Disconnected ............ A ................. Require repair.
Leaking ................. A .. Require repair or replacement.
Melted .................. A ..... Require repair replacement.
Missing ................. C ............ Require replacement.
Oil-soaked (spongy) ..... 1 ............ Suggest replacement.
Restricted .............. A .. Require repair or replacement.

Load next 8 pages

Page: < prev 1-10 ... 113-120 121-128 129-136 137-144 145-152 153-160 161-168 169-176 177-184 ... 1384 next >

headrest transmission fluid sat nav lock diagnostic menu handbrake