1988 JEEP CHEROKEE Service Repair Manual

sport mode sensor alarm towing capacity jump cable radio controls

Page 673 of 1378

JEEP CHEROKEE 1988 Service Repair Manual Post (top or side) burned,
affecting performance .. A ........... (6) Require repair or
replacement.
Post (top or side) burned,
not affecting

Post (top or side) burned,
affecting performance .. A ........... (6) Require repair or
replacement.
Post (top or side) burned,
not affecting
performance ............ 2 ........... ( 6) Suggest repair or
replacement.
Post (top or side)
corroded, affecting
performance ............ A ................. Require repair.
Post (top or side)
corroded, not affecting
performance ............ 2 ................. Suggest repair.
Post (top or side)
loose .................. A ............ Require replacement.
Post (top or side)
melted, affecting
performance ............ A ........... ( 6) Require repair or
replacement.
Post (top or side)
melted, not affecting
performance ............ 2 ........... ( 6) Suggest repair or
replacement.
Specific gravity low .... B .......... ( 7) Further inspection
required.
State of charge low ..... A .......... ( 7) Further inspection
required.
Top dirty ............... 2 ....... Suggest cleaning battery.
Top wet ................. A ... ( 8) Require cleaning battery.
Further inspection required.
Vent cap loose .......... A ... Require repair or replacement
of vent cap.
Vent cap missing ........ C ..... Require replacement of vent
cap.
( 1) - DO NOT attempt to charge a frozen battery. Allow
battery to warm thoroughly and then performance-test.
If battery fails performance test, require replacement.
( 2) - No service suggested or required unless the battery
fails performance test, in which case, require
replacement.
( 3) - This phrase refers to a battery that fails to either
accept and/or retain a charge using appropriate times
listed in the Battery Charging Guide of the BCI Service
Manual, battery charger operating manual, or battery
manufacturer's specifications.
( 4) - Determine cause of low fluid level. Refill to proper
level(s) with water (distilled water preferred).
Recharge battery and performance-test.
( 5) - The battery may meet battery manufacturer's
specifications but test below the minimum
specification defined by the vehicle's OEM for
that vehicle.
( 6) - Determine cause and correct prior to repair or
replacement of part.
( 7) - Recharge and test to manufacturer's specifications.
If battery fails performance test, require replacement.
( 8) - Check fluid level and adjust to manufacturer's
specification. Suggest checking charging system
for proper operation.
\
\
\
\
\
\
\

BATTERY CABLES, WIRES AND CONNECTORS

Page 674 of 1378

$JEEP CHEROKEE 1988 Service Repair Manual BATTERY CABLE, WIRE AND CONNECTOR INSPECTION��\ ��\ ��\ ��\ ��\ ��\ ��\ �� Condition$

BATTERY CABLE, WIRE AND CONNECTOR INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Application incorrect ... B .. 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.
Connector broken ........ A .. Require repair or replacement.
Connector melted ........ A ........... (1) Require repair or
replacement.
Connector missing ....... C ............ Require replacement.
Insulation damaged,
conductors exposed ..... A ........... ( 2) Require repair or
replacement.
Insulation damaged,
conductors not exposed . 1 ............ Suggest replacement.
Open .................... A .. Require repair or replacement.
Protective shield
(conduit) melted ....... 2 ........... ( 1) Suggest repair or
replacement.
Protective shield
(conduit) missing ...... 2 .. Suggest repair or replacement.
Resistance (voltage drop)
out of specification ... A .. Require repair or replacement.
Routed incorrectly ...... B ................. Require repair.
Secured incorrectly ..... B ................. Require repair.
Shorted ................. 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.
Voltage drop out of
specification .......... A .. Require repair or replacement.
( 1) - Determine cause and correct prior to repair or
replacement of part.
( 2) - Exposed conductor at replacement (aftermarket) terminal
end does not require repair or replacement.
\
\
\
\
\
\
\

BATTERY CONNECTORS
See BATTERY CABLES, WIRES AND CONNECTORS .
BATTERY TRAYS AND HOLD DOWN HARDWARE

Page 675 of 1378

$JEEP CHEROKEE 1988 Service Repair Manual BATTERY TRAY AND HOLD DOWN HARDWARE INSPECTION��\ ��\ ��\ ��\ ��\ ��\ ��\ �� Condition$

BATTERY TRAY AND HOLD DOWN HARDWARE INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Battery improperly
secured ................ 2 ................. Suggest repair.
Bent, affecting
performance ............ A .. Require repair or replacement.
Bent, not affecting
performance ............ .. ....... No service suggested or
required.
Broken, affecting
performance ............ A .. Require repair or replacement.
Broken, not affecting
performance ............ .. ....... No service suggested or
required.
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.
Missing ................. C ............ Require replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
Water drain clogged ..... A ................. Require repair.
\
\
\
\
\
\
\

BATTERY WIRES
See BATTERY CABLES, WIRES AND CONNECTORS .
BELT-DRIVEN AIR PUMPS
BELT-DRIVEN AIR PUMP 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.
Inoperative ............. A ........ ( 1) Require replacement.
Leaking ................. A ............ Require replacement.
Missing ................. C ............ Require replacement.
Noisy ................... 2 ............ Suggest replacement.
Pulley alignment
incorrect .............. B .. Require repair or replacement.
Pulley bent ............. A ............ Require replacement.
Pulley cracked .......... A ............ Require replacement.
Pulley loose ............ A .. Require repair or replacement.
Pulley missing .......... C ............ Require replacement.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads

Page 676 of 1378

$JEEP CHEROKEE 1988 Service Repair Manual missing) ............... A .. Require repair or replacement. (1) - Inoperative includes intermittent operation or out of OEM specification. ��\ ��\ ��$

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

BELT IDLER ASSEMBLIES (ACCESSORY AND CAM BELTS)
BELT IDLER ASSEMBLY (ACCESSORY AND CAM BELT) INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Alignment incorrect ..... B .. 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.
Bearings worn ........... 1 ............ Suggest replacement.
Cracked ................. 2 ............ Suggest replacement.
Missing ................. C ............ Require replacement.
Noisy ................... 2 ............ Suggest replacement.
Seized .................. A .. Require repair or replacement.
\
\
\
\
\
\
\

BELT TENSIONERS (ACCESSORY AND CAM BELTS)
BELT TENSIONER (ACCESSORY AND CAM BELT) INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Alignment incorrect ..... B .. 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.
Bearings worn ........... 1 ............ Suggest replacement.
Belt tension incorrect .. B ... Require adjustment or repair.
Cracked ................. 2 ............ Suggest replacement.
Missing ................. C ............ Require replacement.
Noisy ................... 2 ............ Suggest replacement.
Pulley damaged, affecting
belt life .............. A ............ Require replacement.
Seized .................. A .. Require repair or replacement.
\
\
\
\
\
\
\

BOOST CONTROL MECHANISMS
See WASTE GATES AND BOOST CONTROL MECHANISMS .
CAMSHAFT POSITION SENSORS
CAMSHAFT POSITION SENSOR INSPECTION

Page 677 of 1378

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

\
\
\
\
\
\
\

Condition Code Procedure
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware threads
damaged ................ A ... Require repair or replacement
of hardware.
Attaching hardware
threads stripped
(threads missing) ...... 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.
Contaminated ............ A ........... ( 2) Require repair or
replacement.
Inoperative ............. B ........... ( 3) Require repair or
replacement. Further
inspection required.
Leaking ................. A .. Require repair or replacement.
Missing ................. C ............ 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.
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) - Determine source of contamination, such as engine
coolant, fuel, metal particles, or water. Require
repair or replacement.
( 3) - Inoperative includes intermittent operation or out of
OEM specification. Some components may be serviceable;
check for accepted cleaning procedure.
\
\
\
\
\
\
\

CARBURETORS AND CHOKES
NOTE: Proper operation of a carburetor includes the ability to
control air/fuel mixtures during all phases or driving
operation to comply with all federal and local emissions
standards. Adjustments are to be considered repairs.

Page 678 of 1378

$JEEP CHEROKEE 1988 Service Repair Manual CARBURETOR AND CHOKE INSPECTION��\ ��\ ��\ ��\ ��\ ��\ ��\ �� Condition$

CARBURETOR AND CHOKE INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Air/fuel control
incorrect .............. B .. Require repair or replacement.
Application incorrect ... B .. 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.
Components binding ...... A .. Require repair or replacement.
Components damaged,
affecting operation or
performance ............ A .. Require repair or replacement.
Components missing ...... C .......... Require replacement of
components.
Contaminated ............ A ........... (1) Require repair or
replacement. Further
inspection required.
Controlling linkages
binding ................ A ... Require repair or replacement
of linkage.
Leaking ................. A .. Require repair or replacement.
Mechanical operation
incorrect .............. B .. Require repair or replacement.
Operating incorrectly ... B .. Require repair or replacement.
( 1) - Some components may be serviceable; check for accepted
cleaning procedure. Determine source of contamination,
such as engine coolant, fuel, metal particles, or water.
Require repair or replacement.
\
\
\
\
\
\
\

CASTING CORE PLUGS AND EXPANSION PLUGS
CASTING CORE PLUG AND EXPANSION PLUG INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Leaking ................. A ............ Require replacement.
Material type
incorrect .............. 2 ............ Suggest replacement.
\
\
\
\
\
\
\

CHARGE AIR COOLERS "INTERCOOLERS" (CAC)
CHARGE AIR COOLER "INTERCOOLER" (CAC) INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Air-to-air intercooler
leaking, affecting boost
performance ............ A .. Require repair or replacement.
Attaching hardware
broken ................. A ... Require repair or replacement
of hardware.
Attaching hardware

Page 679 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.
Leaking coolant ......... A .. Require repair or replacement.
Missing ................. C ............ Require replacement.
Restricted, affecting
performance ............ A .. Require repair or replacement.
\
\
\
\
\
\
\

CHECK VALVES
See ASPIRATOR, CHECK AND DECEL VALVES .
CHOKES
See CARBURETORS AND CHOKES .
CLUTCH PEDAL POSITION SWITCHES
CLUTCH PEDAL POSITION SWITCH INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Attaching hardware
missing ................ C .......... Require replacement of
hardware.
Attaching hardware threads
damaged ................ A ... Require repair or replacement
of hardware.
Attaching hardware
threads stripped
(threads missing) ...... A ... Require repair or replacement
of hardware.
Connector broken ........ A .. Require repair or replacement.
Connector melted ........ A ........... ( 1) Require repair or
replacement.
Connector missing ....... C ............ Require replacement.
Inoperative ............. B ........... ( 2) Require repair or
replacement. Further
inspection required.
Missing ................. C ............ Require replacement.
Resistance out of
specification .......... 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.
Threads damaged ......... A .. Require repair or replacement.
Threads stripped (threads
missing) ............... A ............ Require replacement.
Wire lead conductors

Page 680 of 1378

JEEP CHEROKEE 1988 Service Repair Manual exposed ................ B .. Require repair or replacement.
Wire lead corroded ...... A .. Require repair or replacement.
Wire lead open .......... A .. Require repair or replacement.
Wi

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) - Inoperative includes intermittent operation or out of OEM
specification. Some components may be serviceable;
check for accepted cleaning procedure.
\
\
\
\
\
\
\

COLD START INJECTORS
See FUEL AND COLD START INJECTORS .
CONNECTORS
See WIRING HARNESSES AND CONNECTORS .
COOLANT
COOLANT INSPECTION\
\
\
\
\
\
\

Condition Code Procedure
Acidity (pH) incorrect .. 1 ........... Suggest correction or
replacement.
Contaminated ............ B ...... ( 1) Require replacement or
recycling. Further inspection
required.
Level low ............... B ... ( 2) Require filling to proper
level.
Maintenance intervals ... 3 ........ ( 3) Suggest replacement.
Mixture incorrect ....... B ........... Require correction or
replacement.
Type incorrect .......... B ............ Require replacement.
( 1) - Determine source of contamination and require
correction prior to coolant replacement.
( 2) - Determine source of incorrect level and suggest repair.
( 3) - The system should be drained and/or flushed and
refilled with correct coolant according to OEM
recommended service interval and procedures.
\
\
\
\
\
\
\

COOLANT RECOVERY TANKS
COOLANT RECOVERY TANK 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.
Leaking ................. A . Require repair or replacement.

Load next 8 pages

Page: < prev 1-10 ... 641-648 649-656 657-664 665-672 673-680 681-688 689-696 697-704 705-712 ... 1384 next >

engine gearbox diagram air condition wheel alignment check oil