Jeep Cherokee (XJ): Wiper motor. Wiper switch and washer switch. Washer system

Jeep Cherokee (XJ) 1984 - 2001 Service Manual > Wiper and washer systems > Removal and installation > Wiper motor. Wiper switch and washer switch. Washer system

Wiper motor

FRONT

(1) Disconnect and isolate the battery negative cable.

(2) Remove the wiper arms from the wiper pivots.

See Wiper Arm in this group for the procedures.

(3) Remove the eight screws that secure the cowl plenum cover/grille panel and screen to the cowl top panel (Fig. 9).

Fig. 9 Cowl Plenum Cover/Grille Panel Remove/Install
Fig. 9 Cowl Plenum Cover/Grille Panel Remove/Install

1 - SCREW
2 - SCREW
3 - GRILLE PANEL
4 - SCREEN
5 - WASHER HOSE
6 - NUT
7 - BRACKET
8 - NUT

(4) Carefully lift the cowl plenum cover/grille panel and screen from the vehicle far enough to access the windshield washer plumbing. Use care so as not to damage the paint around the pivot openings of the panel.

(5) Disconnect the windshield washer supply hose and the passenger side washer nozzle hose from the washer nozzle supply hose tee fitting.

(6) Remove the cowl plenum cover/grille panel and screen from the vehicle.

(7) Reach into the cowl plenum and unplug the wiper motor wire harness connector.

(8) Open and support the hood (9) Remove the two nuts that secure the studs of the wiper module mounting bracket and reinforcement to the dash panel (Fig. 10).

(10) Remove the four screws near the wiper pivots that secure the wiper module to the cowl plenum panel.

(11) Remove the wiper module from the cowl plenum as a unit.

(12) Reverse the removal procedures to install.

Tighten the mounting hardware as follows:

Fig. 10 Wiper Linkage Module Remove/Install
Fig. 10 Wiper Linkage Module Remove/Install

1 - BRACKET AND GROMMET
2 - SCREW
3 - NUT
4 - LINKAGE AND PIVOT MODULE

  • Wiper module mounting screws - 6 N·m (50 in. lbs.)
  •  Wiper module mounting bracket and reinforcement nuts - 6 N·m (50 in. lbs.).

REAR

(1) Disconnect and isolate the battery negative cable.

(2) From the outside of the liftgate glass, remove the rear wiper arm from the rear wiper motor output shaft. See Wiper Arm in this group for the procedures.

(3) From the outside of the liftgate, remove the rear wiper motor output shaft nut (Fig. 11).

(4) Pull the rear wiper motor output shaft bezel and rubber gasket away from the liftgate far enough to access the washer supply hose.

(5) Disconnect the washer supply hose from the internal nipple on the bezel.

(6) Remove the bezel and rubber gasket from the motor output shaft.

(7) Remove the liftgate trim panel from the liftgate.

Refer to Group 23 - Body for the procedures.

(8) Unplug the rear wiper motor wire harness connector.

(9) Remove the two screws that secure the rear wiper motor mounting bracket to the liftgate inner panel.

(10) Remove the rear wiper motor and mounting bracket from the liftgate as a unit.

(11) Reverse the removal procedures to install.

Tighten the mounting hardware as follows:

  •  Rear wiper motor mounting bracket screws - 5 N·m (45 in. lbs.)

Fig. 11 Rear Wiper Motor Remove/Install
Fig. 11 Rear Wiper Motor Remove/Install

1 - LIFTGATE
2 - ARM
3 - NUT
4 - NUT
5 - SCREW
6 - MOTOR AND BRACKET
7 - BLADE
8 - BEZEL
9 - CLIP
10 - HOSE

  • Rear wiper motor output shaft retaining nut - 3 N·m (27 in. lbs.).

Wiper switch and washer switch

FRONT

WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, REFER TO GROUP 8M - PASSIVE RESTRAINT SYSTEMS BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.

(1) Disconnect and isolate the battery negative cable.

(2) Remove the knee blocker from the instrument panel. See Knee Blocker in Group 8E - Instrument Panel Systems for the procedures.

(3) Remove the three screws that secure the lower steering column shroud to the upper shroud (Fig. 12).

Fig. 12 Steering Column Shrouds Remove/Install
Fig. 12 Steering Column Shrouds Remove/Install

1 - UPPER SHROUD
2 - SCREW (3)
3 - LOWER SHROUD
4 - STEERING WHEEL

(4) If the vehicle is equipped with a standard nontilt steering column, loosen the two upper steering column mounting nuts. If the vehicle is equipped with the optional tilt steering column, move the tilt steering column to the fully lowered position.

(5) Remove both the upper and lower shrouds from the steering column.

(6) Remove the two screws that secure the switch water shield and bracket to the top of the steering column (Fig. 13).

(7) Remove the one screw located below the multifunction switch lever that secures the switch water shield and bracket to the steering column (Fig. 14).

(8) Gently pull the lower mounting tab of the switch water shield bracket away from the steering column far enough to clear the screw boss below the multi-function switch lever.

(9) Lift the water shield and bracket with the multi-function switch off of the left side of the steering column as a unit and move it out of the way. If the vehicle is equipped with the optional tilt steering column, lifting gently upward on the tilt release lever will provide additional clearance to ease multi-function switch removal

Fig. 13 Water Shield Upper Screws Remove/Install
Fig. 13 Water Shield Upper Screws Remove/Install

1 - MOUNTING SCREWS
2 - HAZARD WARNING SWITCH KNOB
3 - MULTI-FUNCTION SWITCH LEVER
4 - WATER SHIELD AND BRACKET
5 - WIPER SWITCH LEVER

Fig. 14 Water Shield Lower Screw Remove/Install
Fig. 14 Water Shield Lower Screw Remove/Install

1 - MULTI-FUNCTION SWITCH LEVER
2 - WATER SHIELD AND BRACKET
3 - LOWER MOUNTING SCREW
4 - LOWER MOUNTING TAB

(10) Gently pull the windshield wiper and washer switch up and away from the right side of the steering column far enough to access the wire harness connector.

(11) Unplug the wire harness connector from the windshield wiper and washer switch.

(12) Remove the windshield wiper and washer switch from the steering column.

(13) Reverse the removal procedures to install.

Tighten the upper switch mounting screws to 2.2 N·m (20 in. lbs.). Tighten the lower switch water shield and bracket screw to 1.1 N·m (10 in. lbs.).

Tighten the non-tilt steering column mounting nuts to 22 N·m (200 in. lbs.) and the steering column shroud mounting screws to 2 N·m (18 in. lbs.).

REAR

WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, REFER TO GROUP 8M - PASSIVE RESTRAINT SYSTEMS BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.

(1) Disconnect and isolate the battery negative cable.

(2) Remove the center bezel from the instrument panel. See Instrument Panel Center Bezel in Group 8E - Instrument Panel Systems for the procedures.

(3) Remove the three screws that secure the accessory switch bezel to the instrument panel (Fig. 15).

Fig. 15 Accessory Switch Bezel Remove/Install
Fig. 15 Accessory Switch Bezel Remove/Install

1 - ACCESSORY SWITCH BEZEL
2 - SCREW

(4) Pull the accessory switch bezel out from the instrument panel far enough to access the wire harness connectors.

(5) Unplug the wire harness connectors from the rear of the accessory switches, the cigar lighter and the power outlet.

(6) Remove the accessory switch bezel from the instrument panel.

(7) With a small thin-bladed screwdriver, gently pry the snap clips at the top and bottom of the rear wiper and washer switch receptacle on the back of the accessory switch bezel and pull the switch out of the bezel.

(8) Reverse the removal procedures to install. Be certain that both of the switch snap clip retainers in the receptacle on the back of the accessory switch bezel are fully engaged. Tighten the mounting screws to 2.2 N·m (20 in. lbs.).

Washer system

WASHER RESERVOIR

(1) Disconnect and isolate the battery negative cable.

(2) The washer reservoir filler neck is held in the reservoir by an interference fit. Remove the filler neck from the reservoir using a combination of pulling, rocking and twisting actions (Fig. 16).

Fig. 16 Washer Reservoir Filler Neck Remove/Install
Fig. 16 Washer Reservoir Filler Neck Remove/Install

1 - RESERVOIR
2 - LEFT FENDER
3 - FILLER NECK AND CAP

(3) Remove the engine air filter housing. Refer to Group 14 - Fuel System for the procedures.

(4) Remove the two screws that secure the washer reservoir to the inner fender shield (Fig. 17).

(5) Raise and support the vehicle.

(6) Remove the left front inner wheelhouse splash shield. Refer to Group 23 - Body for the procedures.

(7) Remove the washer supply hose(s) from the washer pump(s) and drain the washer fluid from the reservoir into a clean container for reuse.

(8) Unplug the wire harness connectors from the washer pump(s) and the washer fluid level sensor.

(9) Slide the reservoir slightly towards the rear of the vehicle to release the two hooks from the inner fender ledge slots.

(10) Lower the front of the washer reservoir and slide the unit forward to remove it from the vehicle.

Fig. 17 Washer Reservoir Remove/Install
Fig. 17 Washer Reservoir Remove/Install

1 - SCREW
2 - FENDER
3 - WASHER RESERVOIR
4 - FILLER NECK
5 - SCREW
6 - FLUID LEVEL SENSOR
7 - REAR WASHER PUMP
8 - FRONT WASHER PUMP
9 - HOOK

(11) Reverse the removal procedures to install.

Tighten the reservoir mounting screws to 3 N·m (26 in. lbs.).

WASHER PUMP

(1) Disconnect and isolate the battery negative cable.

(2) Raise and support the vehicle.

(3) Remove the left front inner wheelhouse splash shield. Refer to Group 23 - Body for the procedures.

(4) Remove the washer supply hose(s) from the barbed outlet nipple of the washer pump(s) and drain the washer fluid from the reservoir into a clean container for reuse.

(5) Unplug the wire harness connectors from the washer pump(s).

(6) Using a trim stick or another suitable wide flat-bladed tool, gently pry the barbed inlet nipple of the washer pump out of the rubber grommet seal in the reservoir. Care must be taken not to damage the reservoir.

(7) Remove the rubber grommet seal from the reservoir and discard.

(8) Reverse the removal procedures to install.

Always use a new rubber grommet seal on the reservoir.

WASHER FLUID LEVEL SENSOR

(1) Remove the washer reservoir from the vehicle.

See Washer Reservoir in this group for the procedures.

NOTE: The pivoting float of the washer fluid sensor must be in a horizontal position within the reservoir in order to be removed. With the reservoir empty and in an upright position, the pivoting float will orient itself to the horizontal position when the sensor connector is pointed straight downwards.

(2) Using a trim stick or another suitable wide flat-bladed tool, gently pry the washer fluid level sensor out of the rubber grommet seal. Care must be taken not to damage the reservoir.

(3) Remove the rubber grommet seal from the reservoir and discard.

(4) Reverse the removal procedures to install.

Always use a new rubber grommet seal on the reservoir.

WASHER NOZZLE

FRONT

(1) Remove the wiper arms from the wiper pivots.

See Wiper Arm in this group for the procedures.

(2) Remove the eight screws that secure the cowl plenum cover/grille panel and screen to the cowl top panel (Fig. 18).

Fig. 18 Front Washer Nozzles Remove/Install
Fig. 18 Front Washer Nozzles Remove/Install

1 - RIVET
2 - GRILLE PANEL
3 - SCREW
4 - SCREEN
5 - WASHER HOSE
6 - TEE
7 - NOZZLE

(3) Carefully lift the cowl plenum cover/grille panel and screen from the vehicle far enough to access the windshield washer plumbing. Use care so as not to damage the paint around the pivot openings of the panel.

(4) Disconnect the windshield washer supply hose and the passenger side washer nozzle hose from the washer nozzle supply hose tee fitting.

(5) Remove the cowl plenum cover/grille panel and screen from the vehicle.

(6) From the underside of the cowl plenum cover/ grille panel, disconnect the washer hose from the nozzle fitting.

(7) From the underside of the cowl plenum cover/ grille panel, remove the rivet that secures the nozzle to the opening in the cowl plenum cover/grille panel.

(8) Remove the washer nozzle from the cowl plenum cover/grille panel.

(9) Reverse the removal procedures to install.

REAR

(1) Unsnap the rear washer nozzle from the rear wiper arm (Fig. 19).

Fig. 19 Rear Washer Nozzle Remove/Install

Fig. 19 Rear Washer Nozzle Remove/Install

1 - TO CHECK VALVE AND BODY SUPPLY HOSE
2 - LIFTGATE
3 - GROMMET
4 - NOZZLE
5 - GUARD
6 - HOSE
7 - CLIP
8 - BEZEL
9 - LIFTGATE SUPPLY HOSE

(2) Disconnect the washer supply hose from the barbed rear washer nozzle nipple.

(3) Reverse the removal procedures to install.

CHECK VALVE

(1) Remove the four screws that secure the liftgate opening upper garnish moulding to the upper liftgate opening reinforcement.

(2) Using a trim stick or another suitable widebladed flat tool, gently pry the liftgate opening upper garnish moulding away from the upper liftgate opening reinforcement to release the snap clip retainers.

(3) Remove the garnish moulding from the upper liftgate opening.

(4) Disconnect the liftgate half of the washer supply hose from the barbed nipple of the rear washer system check valve.

(5) Disconnect the body half of the washer supply hose from the other barbed nipple of the rear washer system check valve.

(6) Remove the check valve from the vehicle.

(7) When reinstalling the check valve, be certain the valve is properly oriented within the system flow (Fig. 20).

Fig. 20 Rear Washer System Check Valve
Fig. 20 Rear Washer System Check Valve

1 - TO RESERVOIR
2 - CHECKBALL
3 - SPRING
4 - TO NOZZLE

(8) Reverse the remaining removal procedures to complete the installation.

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