1988 JEEP CHEROKEE Service Repair Manual

seat memory ground clearance wheel bolt torque low oil pressure clock fuel cap

Page 137 of 1378

JEEP CHEROKEE 1988 Service Repair Manual Bent .................... A ............ Require replacement.
Broken .................. A ............ Require replacement.
Cracked ................. A ............ Require replacement.
Lo

Bent .................... A ............ Require replacement.
Broken .................. A ............ Require replacement.
Cracked ................. A ............ Require replacement.
Loose ................... A .. Require repair or replacement.
Missing ................. C ............ Require replacement.
\
\
\
\
\
\
\

COOLING FAN CLUTCHES
NOTE: Some lateral movement, measured at the fan blade tip, may
be normal.
COOLING FAN CLUTCH INSPECTION
\
\
\
\
\
\
\

Condition Code Procedure
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 noisy ........... A ............ Require replacement.
Bearing worn ............ A ............ Require replacement.
Fastener loose .......... A ... Require repair or replacement
of fastener.
Inoperative ............. A ........ ( 1) Require replacement.
Leaking ................. 1 ............ Suggest replacement.
Seized .................. A ............ Require replacement.
Slips (insufficient fan
speed) ................. A ............ Require replacement.
Thermal control
incorrect .............. B .. Require repair or replacement.
( 1) - Inoperative includes intermittent operation or out of
OEM specification.
\
\
\
\
\
\
\

COOLING FAN MOTORS
COOLING FAN MOTOR 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.
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.

Page 138 of 1378

JEEP CHEROKEE 1988 Service Repair Manual Connector melted, not
affecting performance .. 2 ........... (1) Suggest repair or
replacement.
Connector missing ....... C ............ R

Connector melted, not
affecting performance .. 2 ........... (1) Suggest repair or
replacement.
Connector missing ....... C ............ Require replacement.
Hydraulic fan motor
leaking ................ A .. Require repair or replacement.
Inoperative ............. A ........ ( 2) Require replacement.
Missing ................. C ............ Require 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.
\
\
\
\
\
\
\

EVAPORATOR DRAIN TUBES
EVAPORATOR DRAIN TUBE INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Disconnected ............ A ................. Require repair.
Leaking ................. A ............ Require replacement.
Missing ................. C ............ Require replacement.
Restricted .............. A .. Require repair or replacement.
Routed incorrectly ...... B ................. Require repair.
\
\
\
\
\
\
\

EVAPORATOR PRESSURE REGULATORS (EPRS)
EVAPORATOR PRESSURE REGULATOR (EPR) INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Inoperative ............. A ........... ( 1) Require repair or
replacement.
( 1) - Inoperative includes intermittent operation or out of
OEM specification.
\
\
\
\
\
\
\

Page 139 of 1378

$JEEP CHEROKEE 1988 Service Repair Manual EVAPORATORS EVAPORATOR INSPECTION��\ ��\ ��\ ��\ ��\ ��\ ��\ �� Condition$

EVAPORATORS
EVAPORATOR INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Abrasion damage, affecting
structural integrity ... A .. Require repair or replacement.
Abrasion damage, not
affecting structural
integrity .............. .. ........ No service suggested or
required.
Air flow obstruction,
affecting 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.
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
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.
Corroded, affecting
structural integrity ... A ............ Require replacement.
Corroded, not affecting
structural integrity ... .. ........ No service suggested or
required.
Evaporator foam seal
leaking ................ A ............ Require replacement.
Evaporator foam seal
missing ................ C ............ Require replacement.
Fitting type incorrect

Page 140 of 1378

JEEP CHEROKEE 1988 Service Repair Manual (such as compression
fitting) ............... B ............ Require replacement.
Flange leaking .......... A .. Require repair or replacement.
Leaking ................. A .. Require rep

(such as compression
fitting) ............... B ............ Require replacement.
Flange leaking .......... A .. Require repair or replacement.
Leaking ................. A .. Require repair or replacement.
Restricted internally ... A .. Require repair or replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
\
\
\
\
\
\
\

EXPANSION VALVES
EXPANSION VALVE INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
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.
Corroded internally ..... 1 ............ Suggest replacement.
Filter screen torn ...... A .. Require replacement of screen.
Inoperative ............. A ........... ( 1) Require repair or
replacement.
Leaking ................. A ............ Require replacement.
Restricted .............. A .. Require repair or replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
( 1) - Expansion valve operation may be affected by capillary
tube location, corrosion, and insulation tape.
Inoperative includes intermittent operation.
\
\
\
\
\
\
\

FUNCTION SELECTORS
See CONTROL HEADS (FUNCTION SELECTORS) .
FUSES, FUSIBLE LINKS AND CIRCUIT BREAKERS
FUSE, FUSIBLE LINK AND CIRCUIT BREAKER INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Application incorrect ... B ............ Require replacement.
Blown ................... A ........ ( 1) Require replacement.
Corroded, affecting
performance ............ A .. Require repair or replacement.
Corroded, not affecting
performance ............ 2 .. Suggest repair or replacement.
Cracked, affecting
performance ............ A .. Require repair or replacement.
Cracked, not affecting
performance ............ 1 .. Suggest repair or replacement.
Inoperative ............. A ... ( 2) Require replacement.
Insulation damaged,

Page 141 of 1378

JEEP CHEROKEE 1988 Service Repair Manual conductors exposed ..... A .. Require repair or replacement.
Insulation damaged,
conductors not exposed . 1 .. Suggest repair or replacement.
Missing ................. C ............ Req

conductors exposed ..... A .. Require repair or replacement.
Insulation damaged,
conductors not exposed . 1 .. Suggest repair or replacement.
Missing ................. C ............ Require replacement.
Routed incorrectly ...... B ................. Require repair.
Secured incorrectly ..... B ................. Require repair.
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 replacement
of part.
( 2) - Inoperative includes intermittent operation.
\
\
\
\
\
\
\

FUSIBLE LINKS
See FUSES, FUSIBLE LINKS AND CIRCUIT BREAKERS .
GASKETS
GASKET 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.
\
\
\
\
\
\
\

HEATER CASES
See PLENUMS.
HEATER CONTROL VALVES
HEATER CONTROL VALVE INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
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

Page 142 of 1378

JEEP CHEROKEE 1988 Service Repair Manual of hardware.
Binding ................. 2 .. Suggest repair or replacement.
Coolant leak ............ A .. Require repair or replacement.
Di

of hardware.
Binding ................. 2 .. Suggest repair or replacement.
Coolant leak ............ A .. Require repair or replacement.
Disconnected ............ A .. Require repair or replacement.
Malfunctioning .......... A ........... (1) Require repair or
replacement.
Missing ................. C ............ Require replacement.
Restricted .............. A .. Require repair or replacement.
Seized .................. A .. Require repair or replacement.
Vacuum leak ............. A .. Require repair or replacement.
( 1) - Includes inoperative, intermittent operation, or
failure to perform all functions.
\
\
\
\
\
\
\

HEATER CORES
HEATER CORE INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Air flow obstruction .... 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.
Connection leaking ...... A .. Require repair or replacement.
Corroded ................ 1 .. Suggest repair or replacement.
Disconnected ............ 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 restrictions,
affecting performance .. A .. Require repair or replacement.
Leaking ................. A .. Require repair or replacement.
Missing ................. C ............ Require replacement.
\
\
\
\
\
\
\

HEATER HOSES
HEATER HOSE INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Application incorrect ... B ............ Require replacement.
Connected incorrectly ... A ................. Require repair.
Corroded, not reusable .. 1 ............ Suggest replacement.
Cracked ................. A .. Require repair or replacement.
Hard (brittle) .......... 1 .. Suggest repair or replacement.
Inner fabric (webbing)
damaged ................ A ............ Require replacement.
Insufficient clamping
force, allowing hose to
leak ................... A .. Require repair or replacement.
Leaking ................. A .. Require repair or replacement.
Maintenance intervals ... 3 ............ Suggest replacement.

Page 143 of 1378

JEEP CHEROKEE 1988 Service Repair Manual Melted .................. 1 .. Suggest repair or replacement.
Missing ................. C ............ Require replacement.
Outer covering damaged .. 1 ............ Suggest replacement.
Ou

Melted .................. 1 .. Suggest repair or replacement.
Missing ................. C ............ Require replacement.
Outer covering damaged .. 1 ............ Suggest 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 ................ 2 . Suggest replacement of sleeves.
Restricted, affecting
performance ............ A .. Require repair or replacement.
Restricted, not affecting
performance ............ 2 .. Suggest repair or replacement.
Routed incorrectly ...... 2 ................. Suggest repair.
Safety clip missing ..... C ............ Require replacement.
Spongy .................. 1 .. Suggest repair or replacement.
Stripped ................ A ............ Require replacement.
Surface cracks (dry-
rotted) ................ 1 .. Suggest repair or replacement.
Swollen ................. B ............ Require replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
Type incorrect .......... 1 .. Suggest repair or replacement.
\
\
\
\
\
\
\

HIGH PRESSURE RELIEF VALVES (HPRV)
HIGH PRESSURE RELIEF VALVE (HPRV) INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Inoperative ............. A ........... ( 1) Require repair or
replacement.
Leaking ................. A .. Require repair or replacement.
Missing ................. C ............ Require 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.
\
\
\
\
\
\
\

IDLERS
See TENSIONERS.
IN-LINE FILTERS
IN-LINE FILTER INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Connection leaking ...... B .. Require repair or replacement.
Leaking ................. A .. Require repair or replacement.
Restricted .............. A ............ Require replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
\
\
\
\
\
\
\

Page 144 of 1378

JEEP CHEROKEE 1988 Service Repair Manual METAL FITTINGS
See
AIR CONDITIONING METAL LINES, HOSES AND FITTING ASSEMBLIES .
METAL LINES
See
AIR CONDITIONING METAL LINES, HOSES AND FITTING ASSEMBLIES .

Load next 8 pages

Page: < prev 1-10 ... 105-112 113-120 121-128 129-136 137-144 145-152 153-160 161-168 169-176 ... 1384 next >

clock reset sunroof engine oil capacity MPG horn jump start