Jeep Cherokee

 Service Manual

Wiper and washer systems » Removal and installation
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

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

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

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

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

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

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

Wiper blade

Wiper ARM

Wiper linkage and pivot

Wiper motor

Wiper switch and washer switch

Washer system