1988 JEEP CHEROKEE warning

tire size winter tires oil reset remote start spark plugs wheel alignment

Page 1035 of 1378

JEEP CHEROKEE 1988 Service Repair Manual 1) Remove lower bracket assembly-to-lower bearing support
bolts. On column shift models, remove shift housing cover. On floor
shift models, unsnap and remove shroud extensions. Remove wiring

1) Remove lower bracket assembly-to-lower bearing support
bolts. On column shift models, remove shift housing cover. On floor
shift models, unsnap and remove shroud extensions. Remove wiring
protector from column jacket.
2) Mount column in vise at capsule bracket. Mount Holding
Fixture (C-4132) onto column. Mount holding fixture and column in
vise.
3) Remove tilt lever. To remove hazard warning knob, push in
knob while unscrewing. Remove ignition key light assembly. Pull knob
off wiper/washer switch assembly. Pull hider up switch lever. Remove 2
sleeve-to-wiper/washer switch retaining screws. Remove sleeve.
4) Rotate shaft in wiper switch fully clockwise. Remove shaft
by pulling straight out of wiper/washer switch. Carefully remove
plastic cover from lock plate. Using Lock Plate Depressor (J-23653-A
for Jeep), depress lock plate. Pry retaining ring from groove.
5) Remove lock plate, canceling cam and upper bearing plate.
Remove switch actuator screw and arm. Remove 3 turn signal switch
attaching screws. Place shift bowl in "LOW" position. Wrap a piece of
tape around wires to prevent snagging when removing switch. Remove
switch and wiring.
6) Remove key light. Place lock cylinder in "LOCK" position.
Insert a small screwdriver into slot next to switch mounting screw
boss. Depress spring latch at bottom of slot. Remove lock.
7) Using a paper clip, remove key warning switch. Bend one
end of clip into a hook. Insert hook into exposed loop of wedge
spring. Pull clip. Remove spring and switch. DO NOT allow spring to
fall into steering column.
8) Remove 3 housing cover screws. Remove housing cover.
Remove wiper/washer switch. Using a punch, press out wiper switch
pivot pin (if necessary). Tilt lever opening shield and dimmer switch
actuator rod may be removed from cap (if necessary).
9) Place column in fully upright position. Using a large
Phillips screwdriver, remove tilt spring retainer. Insert screwdriver
in opening. Push in approximately 3/16". Turn approximately 1/8 turn
clockwise until ears align with grooves in housing. Remove spring and
guide.
10) Remove dimmer switch mounting screws. Remove dimmer
switch. Separate dimmer switch from rod by pulling on rod. Push upper
steering shaft in far enough to remove steering shaft inner race seat
and inner race. With ignition switch in "ACC" position, remove
ignition switch mounting screws and switch. Place Pivot Pin Remover
(J-21854-01 for Jeep) over pivot pin. Thread small portion of screw
firmly into pin.
11) Hold screw from turning with one wrench while turning nut
clockwise with a second wrench to withdraw pivot pin from support.
Remove opposite pivot pin in same manner. Use tilt release lever to
disengage lock shoes. Remove bearing housing assembly by pulling
upward to extend rack fully.
12) Move housing assembly left to disengage rack from
actuator. Rotate housing clockwise to free dimmer switch actuator rod.
Remove activator assembly. Remove coupling from lower end of steering
shaft. Double coupling is retained to shaft with a roll pin. Remove
shaft assembly from upper end.
CAUTION: DO NOT drop or bump steering shaft as plastic pins may shear.
13) Disassemble steering shaft assembly by removing center
spheres and anti-lash springs. See Fig. 9. Remove 4 bolts securing
support to lock plate. Remove support from end of column jacket.
Remove 2 attaching screws and shift gate from support (if necessary).
Dimmer switch is removed with support.

Page 1038 of 1378

$JEEP CHEROKEE 1988 Service Repair Manual jacket mounting plate. Tighten screws to 60 INCH lbs. (7 N.m). Install\ lower bearing on lower end of jacket (if removed). 8) Install centering spheres and anti-lash spring in upper steering$

jacket mounting plate. Tighten screws to 60 INCH lbs. (7 N.m). Install\
lower bearing on lower end of jacket (if removed).
8) Install centering spheres and anti-lash spring in upper
steering shaft. Install lower steering shaft from same side of spheres
that spring ends protrude. Perform a trial fit of assembly to ensure
that master serration of upper shaft is on same side as master
serration of lower shaft assembly.
9) Position shift bowl fully counterclockwise. Install
ignition switch actuator rod between bowl and jacket from bottom.
Guide back of coupling into support slot. Assemble bearing housing
over steering shaft. Engage rack over end of ignition switch actuator
rod.
10) Position access hole of bearing housing over end of
dimmer switch actuator rod. Rotate housing counterclockwise to
assemble. Holding lock shoes in disengaged position, assemble bearing
housing over steering shaft until pivot holes line up with holes in
support.
11) Install pivot pins. Assemble as far as possible, using
palm pressure of hand to prevent enlarging support pivot hole. Using a
small hammer and punch, tap pins into place. Replace wiper/washer
pivot assembly. Press pivot pin in cover (if removed). Check pivot
assembly for ease of movement.
12) If movement is restricted, tap other end of pin for
clearance. Install wiper/washer switch. Replace tilt lever opening
shield in cover (if removed). Position cap over dimmer switch actuator\
rod. Guide end of actuator rod into pivot slot during cover assembly.
Hold cap so that cover will slide over it.
13) Place housing in full upward position. Ensure there is
grease between guide and peg on support, tilt spring and tilt spring
retainer. Install guide. Using a screwdriver in retaining slot, turn
retainer clockwise to engage. Install bearing inner race and seat.
14) Install lock housing cover. Tighten 3 screws to 100 INCH
lbs. (11 N.m). Assemble key warning switch to spring clip with formed
end of clip under end of switch and with spring bowed away from switch
on side opposite contact. Push switch and spring into hole in lock
housing cover with contacts facing lock cylinder bore.
15) Install key light (if equipped). Install turn signal
switch wires and connector through cover, bearing housing and shift
bowl. Push in hazard plunger. Install turn signal switch. Tighten
screws to 25 INCH lbs. (3 N.m). Install hazard warning knob and screw.\
Pull knob out.
16) Install canceling cam spring, canceling cam (carrier
assembly) and lock plate. Using Lock Plate Depressor (J-23653-A for
Jeep), depress lock plate. See Fig. 12. Install a new retaining ring.
Install tilt release lever (if removed). Install turn signal switch
lever.
Fig. 12: Installing Lock Plate Retaining Ring

Page 1070 of 1378

$JEEP CHEROKEE 1988 Service Repair Manual \003 * S TE ER IN G U NIF O RM IN SPEC TIO N G UID ELIN ES * 1 988 J e ep C hero ke e GENERAL INFORMATION Steering, Suspension, Wheel Alignment, Wheels and Tires Mo$

Page 1079 of 1378

$JEEP CHEROKEE 1988 Service Repair Manual ��\ ��\ ��\ ��\ ��\ ��\ ��\ �� AIR RIDE SUSPENSION - WARNING LAMPS AIR RIDE SU$

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AIR RIDE SUSPENSION - WARNING LAMPS
AIR RIDE SUSPENSION - WARNING LAMP INSPECTION\
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Condition Code Procedure
Bulb burned out ......... A ............ Require replacement.
Warning light does
not come on during
bulb check ............. .. . Further inspection required to
determine cause.
Warning light flashes ... .. . Further inspection required to
determine cause.
Warning light is
intermittent ........... .. . Further inspection required to
determine cause.
Warning light stays
on after initial
bulb check ............. .. . Further inspection required to
determine cause.
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AIR RIDE SUSPENSION - WIRING HARNESSES
AIR RIDE SUSPENSION - WIRING HARNESS INSPECTION\
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Condition Code Procedure
Connector bent .......... A .. Require repair or replacement.
Connector broken ........ A .. Require repair or replacement.
Connector loose ......... A .. Require repair or replacement.
Damaged (cut, burned, or
chafed) ................ A .. Require repair or replacement.
Excessive resistance .... B .. Require repair or replacement.
Fuse blown .............. A ............ Require replacement.
Fusible link blown ...... A ............ Require replacement.
Open .................... A .. Require repair or replacement.
Poor ground ............. A .. Require repair or replacement.
Routed incorrectly ...... B .. Require rerouting according to
vehicle manufacturer's
specifications.
Shorted ................. A .. Require repair or replacement.
Terminal bent ........... A .. Require repair or replacement.
Terminal broken ......... A .. Require repair or replacement.
Terminal corroded ....... A .. Require repair or replacement.
Terminal loose .......... A .. Require repair or replacement.
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BALL JOINTS
Before requiring or suggesting ball joint replacement, the
approved OEM procedure must be used to measure ball joint wear. The
measurement(s) obtained, along with the vehicle manufacturer's
specifications, must be noted on the inspection report. Some states
require that these measurements also appear on the invoice.
NOTE: The term "perceptible movement," defined as any visible
movement in any direction, has been the industry standard
for determining the need for replacement of follower ball
joints. Some vehicle manufacturers are now publishing
specifications for follower ball joints that were

Page 1115 of 1378

JEEP CHEROKEE 1988 Service Repair Manual be caused by
faulty alignment ....... A ............. Require alignment.
Part has been changed,
affecting alignment .... A ....... Require alignment check.
Pull, shown to be caused
by faul

be caused by
faulty alignment ....... A ............. Require alignment.
Part has been changed,
affecting alignment .... A ....... Require alignment check.
Pull, shown to be caused
by faulty alignment .... A ............. Require alignment.
Steering wheel
off-center ............. 2 ............. Suggest alignment.
Tire wear, shown
to be caused by
faulty alignment ....... A ............. Require alignment.
Wander, shown
to be caused by
faulty alignment ....... A ............. Require alignment.
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WHEELS AND TIRES
TIRES
These guidelines do not apply to split rims. Some vehicle
manufacturers restrict replacement of tires to specific brands, types,
or sizes.
WARNING: High pressure temporary compact spare tires should not be
used with any other rims or wheels, nor should standard
tires, snow tires, wheel covers, or trim rings be used
with high pressure compact spare rims or wheels.
Attempting to mount a tire of one diameter on a wheel of
a different diameter or flange type may result in serious
injury or death.
WARNING: Only specially trained persons should dismount or mount
tires. Explosions of tire and wheel assembly can result
from improper mounting, possibly causing serious injury
or death.
WARNING: Consult the vehicle owner's manual or vehicle placard for
correct size, speed rating, designation, and cold
inflation pressure of the original tires. DO NOT exceed
the maximum load or inflation capacity of the tire
specified by the Tire and Rim Association
WARNING: When replacing tires, it is suggested that the
replacement tires match or exceed the OEM speed rating
designation. If tires of different speed rating
designations are mixed on the same vehicle, the tires may
vary in handling characteristics. DO NOT mix different
speed rating designations on the same axle.
WARNING: DO NOT mix radials with non-radial tires on the same
axle, as this may affect vehicle handling and stability.
If radial tires and bias or bias-belted ply tires are
mixed on the same vehicle, the radials must be on the
rear. High-pressure temporary compact spare tires are
exempt from this rule.
WARNING: DO NOT mix size or type (all season, performance, mud and
snow) of tires on the same axle.
TIRE INSPECTION
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Page 1118 of 1378

JEEP CHEROKEE 1988 Service Repair Manual Loose ................... B ... Require repair or replacement
of affected component.
Lug nut installed
backward ............... B .. Require repair

Loose ................... B ... Require repair or replacement
of affected component.
Lug nut installed
backward ............... B .. Require repair or replacement.
Lug nut mating type
incorrect .............. B ..... Require replacement of nut.
Lug nut mating surface
dished ................. A ..... Require replacement of nut.
Lug nut rounded ......... A . (2) Require replacement of nut.
Lug nut seized .......... A . ( 2) Require replacement of nut.
Stud incorrect .......... B .... Require replacement of stud.
Threads damaged ......... A ... Require repair or replacement
of component with damaged
threads.
Threads stripped ........ A .......... Require replacement of
component with stripped
threads.
( 1) - Some manufacturers require replacement of all studs on
that wheel if two or more studs or nuts on the same
wheel are broken or missing.
( 2) - Only required if removing wheel.
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WHEELS (RIMS)
WARNING: Mounting a regular tire on a high-pressure compact spare
wheel is not permitted. Attempting to mount a tire of one
diameter on a wheel of a different diameter or flange
type may result in serious injury or death. If the wheel
identification stamp is not legible, or cannot be found,
do not use the wheel until the size and type have been
properly identified. Wheels of different diameter,
offset, or width cannot be mixed on the same axle. Bead
seat tapers cannot be interchanged.
WHEEL (RIM) INSPECTION
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Condition Code Procedure
Bead leaking, caused
by wheel ............... A ........... ( 1) Require repair or
replacement.
Bent hub mounting
surface ................ A ............ Require replacement.
Bent rim, causing
vibration .............. 2 ........ ( 1) Suggest replacement.
Broken .................. A ............ Require replacement.
Cast wheel porous,
causing a leak ......... A .. Require repair or replacement.
Clip-on balance weight is
incorrect type
for rim flange ......... 2 ............ Suggest replacement.
Corrosion, affecting
structural integrity ... A ............ Require replacement.
Corrosion build-up on
wheel mounting
surface ................ A ................. Require repair.
Cracked ................. A ............ Require replacement.
Directional/asymmetrical
wheels mounted
incorrectly ............ B ....... Require remounting and/or
repositioning.

Page 1131 of 1378

$JEEP CHEROKEE 1988 Service Repair Manual \003 * S U SPEN SIO N U NIF O RM IN SPEC TIO N G UID ELIN ES * 1 988 J e ep C hero ke e GENERAL INFORMATION Steering, Suspension, Wheel Alignment, Wheels and Tires M$

Page 1140 of 1378

$JEEP CHEROKEE 1988 Service Repair Manual ��\ ��\ ��\ ��\ ��\ ��\ ��\ �� AIR RIDE SUSPENSION - WARNING LAMPS AIR RIDE SU$

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