Front Wheel Speed Sensor; Rear Wheel Speed Sensor - Jeep cherokee 2000 Service Manual

XJ
REMOVAL AND INSTALLATION (Continued)
Fig. 5 HCU/CAB Mounting
1 – HCU
2 – CAB
3 – HCU/CAB BRACKET
4 – MOTOR

FRONT WHEEL SPEED SENSOR

REMOVAL
(1) Raise vehicle and turn wheel outward for eas-
ier access to sensor.
(2) Remove sensor wire from mounting brackets.
(3) Clean sensor and surrounding area with shop
towel before removal.
(4) Remove bolt attaching sensor to steering
knuckle and remove sensor (Fig. 6).
(5) Remove sensor wire from brackets on body and
steering knuckle.
(6) Unseat sensor wire grommet in wheel house
panel.
(7) In engine compartment, disconnect sensor wire
connector at harness plug. Then remove sensor and
wire.
INSTALLATION
(1) If original sensor will be installed, wipe all
traces of old spacer material off sensor pickup face.
Use a dry shop towel for this purpose.
(2) Apply Mopar Lock N' Seal or Loctite
bolt that secures sensor in steering knuckle. Use new
sensor bolt if original bolt is worn or damaged.
(3) Position sensor on steering knuckle. Seat sen-
sor locating tab in hole in knuckle and install sensor
attaching bolt finger tight.
(4) Tighten sensor attaching bolt to 4.7 N·m (42 in.
lbs.).
(5) If original sensor has been installed, check sen-
sor air gap. Air gap should be 0.36 to 1.5 mm (0.014
to 0.059 in.). If gap is incorrect, sensor is either loose,
or damaged.
Fig. 6 Front Wheel Speed Sensor
1 – WHEEL SPEED SENSOR PIGTAIL
2 – STEERING KNUCKLE
3 – TONE WHEEL
4 – FRONT WHEEL SPEED SENSOR
(6) Secure sensor wire to steering knuckle and
body brackets.
(7) Route sensor wire forward and behind shock
absorber. Then attach sensor wire to spring seat
bracket with grommets on sensor wire.
(8) Route sensor wire to outer sill bracket. Remove
all twists or kinks from wire.
(9) Attach sensor wire to sill bracket with grom-
met. Be sure wire is free of twists and kinks.
(10) Verify sensor wire routing. Wire should loop
forward and above sill bracket. Loose end of wire
should be below sill bracket and towards brake hose.
(11) Seat sensor wire grommet in body panel and
clip wire to brake line at grommet location.
(12) Connect sensor wire to harness in engine com-
partment.

REAR WHEEL SPEED SENSOR

242 to
REMOVAL
(1) Raise and fold rear seat forward for access to
rear sensor connectors (Fig. 7).
(2) Disconnect sensors at rear harness connectors.
(3) Push
through floorpan.
(4) Raise vehicle.
(5) Disconnect sensor wires at rear axle connec-
tors.
(6) Remove wheel and tire assembly.
sensor grommets and
BRAKES 5 - 37
sensor wires