WJ Jeep Grand Cherokee Front And Rear Wiper Systems

By Jeep Experts

Welcome to the jeepExperts.com in-depth web page on WJ Generation Jeep Grand Cherokee entrance and rear wiper methods. We have organized as a lot info as we may discover right into a useful desk under. Is one thing incorrect or lacking? Please get in contact with us and we’ll repair it!

Grand Cherokee wiper swap and wiper reservoir

Front wiper and washer system

An electrically operated intermittent entrance wiper and washer system is normal factory-installed security tools on all WJ fashions. A Rain Sense wiper system was launched beginning with the 2002 mannequin 12 months (normal on Overland’s and non-compulsory on Limited’s).

Front wiper system parts:

FRONT CHECK VALVE

The entrance washer system test valve is integral to the wye becoming situated within the washer plumbing between the cowl plenum washer hose and the entrance washer nozzles, and is hid beneath the cowl plenum cowl/grille panel on the base of the windshield.

FRONT WASHER NOZZLE

Two fluidic entrance washer nozzles are secured with integral snap options to devoted openings within the cowl plenum cowl/ grille panel situated close to the bottom of the windshield.

FRONT WASHER PLUMBING

The plumbing for the entrance washer system consists of rubber hoses and molded plastic fittings. The plumbing is routed alongside the left facet of the engine compartment from the washer reservoir, and thru the sprint panel into the cowl plenum beneath the cowl plenum cowl/ grille panel to the entrance washer nozzle fittings.

FRONT WASHER PUMP/MOTOR

The entrance washer pump/motor unit is situated in a devoted gap on the decrease outboard facet of the washer reservoir, behind the internal fender liner forward of the left entrance wheel. The entrance washer pump is situated forward of and under the rear washer pump.

FRONT WIPER ARM

The two entrance wiper arms are secured with nuts to the threaded studs on the ends of the 2 wiper pivot shafts, which lengthen by means of the cowl plenum cowl/grille panel situated close to the bottom of the windshield.

FRONT WIPER BLADE

The two entrance wiper blades are secured to the 2 entrance wiper arms with an integral latch, and are parked on the glass close to the underside of the windshield when the entrance wiper system is just not in operation.

FRONT WIPER MODULE

The entrance wiper pivot shafts are the one seen parts of the entrance wiper module. The the rest of the module is hid inside the cowl plenum beneath the cowl plenum cowl/grille panel. The entrance wiper module contains the wiper module bracket, 4 rubber-isolated wiper module mounts, the entrance wiper motor, the wiper motor crank arm, the 2 wiper drive hyperlinks, and the 2 entrance wiper pivots.

RAIN SENSOR MODULE

Models outfitted with the non-compulsory automated wiper function have a Rain Sensor Module (RSM) situated behind a trim cowl on a bracket bonded to the within floor of the windshield glass, simply above the within rear view mirror mounting button.

RIGHT MULTI-FUNCTION SWITCH

The proper (wiper) multi-function swap is secured to the proper facet of the multi-function swap mounting housing close to the highest of the steering column, slightly below the steering wheel. Only the management stalk for the proper multi-function swap is seen, whereas the rest of the swap is hid beneath the steering column shrouds. The proper multi-function swap incorporates the entire switches and management circuitry for each the entrance and rear wiper and washer methods.

WASHER FLUID LEVEL SWITCH

The washer fluid degree swap is situated in a devoted gap close to the middle of the ahead dealing with floor of the washer reservoir, behind the left entrance wheel home splash protect.

WASHER RESERVOIR

The washer reservoir is hid between the left internal fender protect and the left outer fender panel, behind the internal fender liner and forward of the left entrance wheel. The washer reservoir filler neck is the one seen portion of the reservoir, and it’s accessed from the left entrance nook of the engine compartment.

WIPER HIGH-LOW RELAY

The wiper high-low relay is an International Standards Organization (ISO) micro relay situated within the Power Distribution Center (PDC) within the engine compartment close to the battery.

WIPER ON-OFF RELAY

The wiper on-off relay is an International Standards Organization (ISO) micro relay situated within the Power Distribution Center (PDC) within the engine compartment close to the battery. Hard wired circuitry connects the entrance wiper and washer system parts to {the electrical} system of the automobile. These onerous wired circuits are integral to a number of wire harnesses, that are routed all through the automobile and retained by many alternative strategies. These circuits could also be linked to one another, to the automobile electrical system and to the entrance wiper and washer system parts by means of the usage of a mixture of soldered splices, splice block connectors, and plenty of various kinds of wire harness terminal connectors and insulators. Refer to the suitable wiring info. The wiring info contains wiring diagrams, correct wire and connector restore procedures, additional particulars on wire harness routing and retention, in addition to pin-out and placement views for the varied wire harness connectors, splices and grounds..

WJ entrance wiper and washer system parts

Front wiper working modes

The parts of the entrance wiper and washer system are designed to work in live performance to offer the next working modes:

AUTOMATIC WIPE MODE

In fashions outfitted with the non-compulsory automated wiper function, the inner circuitry of each the proper (wiper) multi-function swap, the rain sensor module, and the BCM work in live performance to offer an automated wiper mode with 5 sensitivity alternatives. When chosen, this swap place will robotically function the entrance wipers on the programmed velocity and intervals to take care of visibility by means of the windshield glass.

CONTINUOUS WIPE MODE

The management knob on the management stalk of the proper (wiper) multi-function swap has two steady wipe positions, Low and High. When chosen, these swap positions will trigger the two-speed entrance wiper motor to function in a steady low or excessive velocity cycle.

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HEADLAMPS ON WITH WIPERS MODE

The BCM offers an automated headlamps on with wipers function for fashions outfitted with the non-compulsory automated headlamps. This is a buyer programmable function. If this function is enabled, the headlamps will activate robotically at any time when the windshield wipers are turned on; and, if the headlamps have been turned on robotically when the wipers have been turned on, they can even flip off robotically when the wipers are turned off. If this function is enabled in fashions outfitted with the non-compulsory automated wiper function, when the automated wiper mode is chosen the headlamps will activate robotically solely after the wipers full three automated wipe cycles inside about thirty seconds, and they’re going to flip off robotically after three minutes elapse with none automated wipe cycles.

MIST WIPE MODE

The management stalk of the proper (wiper) multi-function swap has a momentary Mist place. When chosen, this swap place will function the entrance wipers in a low velocity steady cycle for so long as the swap is held closed, then will full the present wipe cycle and park the entrance wiper blades close to the bottom of the windshield when the swap is launched.

SPEED SENSITIVE INTERMITTENT WIPE MODE

Except on fashions outfitted with the non-compulsory automated wiper system, the inner circuitry of each the proper (wiper) multi-function swap and the BCM work in live performance to offer an intermittent wipe mode with 5 delay interval alternatives. When this mode is chosen, the BCM robotically adjusts every of the 5 manually chosen delay intervals between full wipe cycles to compensate for automobile velocity.

WASHER MODE

When the momentary entrance wash place of the management stalk for the proper (wiper) multi-function swap is chosen with the entrance wiper system working in a steady wipe mode, washer fluid will likely be disbursed onto the windshield glass by means of the washer nozzles for so long as the washer swap is held closed. When the entrance washer swap is actuated with the entrance wiper system working in an intermittent wipe mode, washer fluid remains to be disbursed till the swap is launched; nevertheless, the entrance wipers will function in a low velocity steady cycle from the time the washer swap is closed till a number of wipe cycles after the swap is launched, earlier than returning to the chosen intermittent wipe mode.

WIPE-AFTER-WASH MODE

When the momentary entrance wash place of the management stalk for the proper (wiper) multi-function swap is chosen with the entrance wiper system turned Off, the inner circuitry of the BCM offers a wipe-after-wash function. When chosen, this function will function the entrance washer pump/motor and the entrance wipers for so long as the entrance washer swap is held closed, then present a number of extra wipe cycles after the swap is launched earlier than parking the entrance wiper blades close to the bottom of the windshield.

Front wiper working modes

The parts of the entrance wiper and washer system are designed to work in live performance to offer the next working modes:

AUTOMATIC WIPE MODE

In fashions outfitted with the non-compulsory automated wiper function, the inner circuitry of each the proper (wiper) multi-function swap, the rain sensor module, and the BCM work in live performance to offer an automated wiper mode with 5 sensitivity alternatives. When chosen, this swap place will robotically function the entrance wipers on the programmed velocity and intervals to take care of visibility by means of the windshield glass.

CONTINUOUS WIPE MODE

The management knob on the management stalk of the proper (wiper) multi-function swap has two steady wipe positions, Low and High. When chosen, these swap positions will trigger the two-speed entrance wiper motor to function in a steady low or excessive velocity cycle.

HEADLAMPS ON WITH WIPERS MODE

The BCM offers an automated headlamps on with wipers function for fashions outfitted with the non-compulsory automated headlamps. This is a buyer programmable function. If this function is enabled, the headlamps will activate robotically at any time when the windshield wipers are turned on; and, if the headlamps have been turned on robotically when the wipers have been turned on, they can even flip off robotically when the wipers are turned off. If this function is enabled in fashions outfitted with the non-compulsory automated wiper function, when the automated wiper mode is chosen the headlamps will activate robotically solely after the wipers full three automated wipe cycles inside about thirty seconds, and they’re going to flip off robotically after three minutes elapse with none automated wipe cycles.

MIST WIPE MODE

The management stalk of the proper (wiper) multi-function swap has a momentary Mist place. When chosen, this swap place will function the entrance wipers in a low velocity steady cycle for so long as the swap is held closed, then will full the present wipe cycle and park the entrance wiper blades close to the bottom of the windshield when the swap is launched.

SPEED SENSITIVE INTERMITTENT WIPE MODE

Except on fashions outfitted with the non-compulsory automated wiper system, the inner circuitry of each the proper (wiper) multi-function swap and the BCM work in live performance to offer an intermittent wipe mode with 5 delay interval alternatives. When this mode is chosen, the BCM robotically adjusts every of the 5 manually chosen delay intervals between full wipe cycles to compensate for automobile velocity.

WASHER MODE

When the momentary entrance wash place of the management stalk for the proper (wiper) multi-function swap is chosen with the entrance wiper system working in a steady wipe mode, washer fluid will likely be disbursed onto the windshield glass by means of the washer nozzles for so long as the washer swap is held closed. When the entrance washer swap is actuated with the entrance wiper system working in an intermittent wipe mode, washer fluid remains to be disbursed till the swap is launched; nevertheless, the entrance wipers will function in a low velocity steady cycle from the time the washer swap is closed till a number of wipe cycles after the swap is launched, earlier than returning to the chosen intermittent wipe mode.

WIPE-AFTER-WASH MODE

When the momentary entrance wash place of the management stalk for the proper (wiper) multi-function swap is chosen with the entrance wiper system turned Off, the inner circuitry of the BCM offers a wipe-after-wash function. When chosen, this function will function the entrance washer pump/motor and the entrance wipers for so long as the entrance washer swap is held closed, then present a number of extra wipe cycles after the swap is launched earlier than parking the entrance wiper blades close to the bottom of the windshield.

Rear wiper and washer system

An electrically operated fastened interval intermittent rear wiper and washer system is normal factory-installed tools on all WJ fashions.

Rear wiper and washer system parts:

REAR WASHER NOZZLE

The rear washer nozzle is secured by a snap match right into a mounting gap within the liftgate outer panel above the liftgate glass. The rear washer nozzle contains an integral rear test valve.

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REAR WASHER PLUMBING

The plumbing for the rear washer system consists of rubber hoses and molded plastic fittings. The plumbing is routed alongside the left facet of the engine compartment from the washer reservoir, by means of the sprint into the passenger compartment, up the left cowl facet and A-pillar to the headliner, and above the headliner to the rear roof header. The plumbing is then routed by means of grommets within the rear roof header and the liftgate internal panel to the becoming for the rear washer nozzle.

REAR WASHER PUMP/MOTOR

The rear washer pump/motor unit is situated in a devoted gap on the decrease outboard facet of the washer reservoir, forward of the left entrance wheel housing. The rear washer pump mounting gap is situated larger on the reservoir than the entrance washer pump mounting gap.

REAR WIPER ARM

The single rear wiper arm is secured by a nut on to the rear wiper motor output shaft, which extends by means of the middle of the liftgate outer panel close to the bottom of the liftgate flip-up glass.

REAR WIPER ARM PARK RAMP

The molded rubber rear wiper arm park ramp is secured with a screw to the liftgate outer panel to the proper of the rear wiper motor output shaft bezel. When the rear wiper system is just not in operation, the rear wiper arm is parked off of the flip-up glass on this ramp so that it’s going to not intervene with or be broken by the flip-up glass operation.

REAR WIPER BLADE

The single rear wiper blade is secured to the rear wiper arm with an integral latch, and is parked off of the liftgate flip-up glass when the rear wiper system is just not in operation.

REAR WIPER MODULE

The rear wiper motor output shaft is the one seen part of the rear wiper module. The the rest of the module is hid inside the liftgate beneath the liftgate flip-up glass opening. The rear wiper module contains the module bracket, the rear wiper motor, and the rear wiper digital management circuitry.

RIGHT MULTI-FUNCTION SWITCH

The proper (wiper) multi-function swap is secured to the proper facet of the multi-function swap mounting housing close to the highest of the steering column, slightly below the steering wheel. Only the management stalk for the proper multi-function swap is seen. The the rest of the swap is hid beneath the steering column shrouds. The proper multi-function swap management stalk is devoted to offering the entire driver controls for each the entrance and rear wiper and washer methods.

WASHER RESERVOIR

The rear washer system shares a single reservoir with the entrance washer system, however has its personal devoted washer pump/motor and plumbing. The washer reservoir is hid between the left internal fender protect and the left outer fender panel, behind the internal fender liner and forward of the left entrance wheel. The washer reservoir filler neck is the one seen portion of the reservoir, and it’s accessed from the left entrance nook of the engine compartment. Hard wired circuitry connects the rear wiper and washer system parts to {the electrical} system of the automobile. These onerous wired circuits are integral to a number of wire harnesses, that are routed all through the automobile and retained by many alternative strategies. These circuits could also be linked to one another, to the automobile electrical system and to the rear wiper and washer system parts by means of the usage of a mixture of soldered splices, splice block connectors, and plenty of various kinds of wire harness terminal connectors and insulators. Refer to the suitable wiring info. The wiring info contains wiring diagrams, correct wire and connector restore procedures, additional particulars on wire harness routing and retention, in addition to pin-out and placement views for the varied wire harness connectors, splices and grounds.

Rear wiper working modes

CONTINUOUS WIPE MODE

When the proper multi-function swap management sleeve is moved to the On place, the rear wiper will likely be operated at a hard and fast velocity, continuous wipe cycle till the swap sleeve is moved to the Delay or Off positions, till the ignition swap is turned to the Off place, or till the liftgate flip-up glass is ajar.

INTERMITTENT WIPE MODE

When the proper multi-function swap management sleeve is moved to the Delay place, the rear wiper will likely be operated in a hard and fast interval, intermittent wipe cycle till the swap sleeve is moved to the On or Off positions, till the ignition swap is turned to the Off place, till the liftgate flip-up glass is ajar, or till the proper multi-function swap management stalk is pushed ahead to activate the rear washer system. The intermittent wipe mode delay time has a hard and fast delay interval of about 5 to eight seconds between sweeps.

WASHER MODE

When the proper multi-function swap management stalk is pushed ahead to activate the rear washer system, washer fluid will likely be disbursed from the washer reservoir onto the liftgate glass by means of the rear washer nozzle and the rear wiper will function in a hard and fast cycle (not intermittent) for so long as the rear washer pump/motor unit stays energized.

WIPE-AFTER-WASH MODE

When the proper multi-function swap management stalk is launched from the momentary Wash place, the wipe-after-wash function will proceed to function the rear wiper at a hard and fast cycle for about three extra wiper sweeps earlier than returning to the beforehand chosen mode.

Front wiper blade and arm elimination

 

NOTE: All Grand Cherokee WJ fashions have two 20.67 inch windshield wiper blades with non-replaceable rubber parts (squeegees). The wiper blades can’t be adjusted or repaired. If defective, worn, or broken your complete wiper blade unit have to be changed.

 

Front blade elimination:

1. Lift the entrance wiper arm to boost the wiper blade and aspect off of the glass, till the wiper arm hinge is in its over-center place.

2. To take away the wiper blade from the wiper arm, depress the pivot block latch launch tab underneath the tip of the arm and slide the blade away from the tip in direction of the pivot finish of the arm far sufficient to disengage the pivot block from the hook formation on the top of the arm.

4. Extract the hook formation on the tip of the wiper arm from the opening within the wiper blade superstructure simply forward of the wiper blade pivot block/latch unit.

CAUTION: Do not enable the wiper arm to spring again towards the glass with out the wiper blade in place or the glass could also be broken.

5. Gently decrease the tip of the wiper arm onto the glass.

Front blade set up:

NOTE: The notched finish of the wiper aspect flexor ought to at all times be oriented in direction of the top of the wiper blade that’s nearest to the wiper pivot.

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1. Lift the entrance wiper arm off of the windshield glass, till the wiper arm hinge is in its over-center place.

2. Position the entrance wiper blade close to the hook formation on the tip of the arm with the notched finish of the wiper aspect flexor oriented in direction of the top of the wiper arm that’s nearest to the wiper pivot.

3. Insert the hook formation on the tip of the wiper arm by means of the opening within the wiper blade superstructure forward of the wiper blade pivot block/ latch unit far sufficient to have interaction the pivot block with the hook.

4. Slide the wiper blade pivot block/latch up into the hook formation on the tip of the wiper arm till the latch launch tab snaps into its locked place. Latch engagement will likely be accompanied by an audible click on.

5. Gently decrease the wiper blade onto the glass.

Front arm elimination:

 

Wiper arm nut and cap Wiper arm elimination instrument Front wiper arm

 

1. Lift the entrance wiper arm to its over-center place to carry the wiper blade off of the glass and relieve the spring stress on the wiper arm.

2. Carefully pry the plastic nut cap off of the pivot finish of the wiper arm.

3. With a 15mm socket, take away the nut that secures the wiper arm to the wiper pivot shaft.

4. If essential, use an acceptable battery terminal puller to disengage the wiper arm from the wiper pivot shaft

5. Remove the entrance wiper arm pivot finish from the wiper pivot shaft.

Front arm set up:

NOTE: Be sure that the wiper motor is within the park place earlier than making an attempt to put in the entrance wiper arms. Turn the ignition swap to the On place and transfer the proper (wiper) multi-function swap management knob to its Off place. If the wiper pivots transfer, wait till they cease shifting, then flip the ignition swap again to the Off place. The wiper motor is now in its park place.

1. The entrance wiper arms have to be listed to the wiper pivot shafts with the wiper motor within the park place to be correctly put in. Position the entrance wiper arm pivot ends onto the wiper pivot shafts in order that the decrease fringe of the blade is aligned with the wiper alignment traces situated within the decrease fringe of the windshield glass.

2. Once the wiper blade is aligned, carry the wiper arm away from the windshield barely to alleviate the spring stress on the pivot finish and push the pivot gap on the top of the wiper arm down firmly and evenly over the wiper pivot shaft.

3. Install and tighten the nut that secures the wiper arm to the wiper pivot shaft. Tighten the nut to 24 N·m (18 ft. lbs.).

4. Wet the windshield glass, then function the entrance wipers. Turn the entrance wipers Off, then test for the right wiper arm place and readjust as required.

5. Reinstall the plastic nut cap onto the wiper arm pivot nut.

Rear wiper blade and arm elimination

 

Rear windshield wiper Rear wiper blade elements

 

NOTE: All Grand Cherokee WJ fashions have a single 12-inch rear wiper blade with a non-replaceable rubber aspect (squeegee). The wiper blade can’t be adjusted or repaired. If defective, worn, or broken your complete wiper blade unit have to be changed.

Rear blade elimination:

1. Disengage the rear wiper arm help from the rubber rear wiper arm park ramp on the proper facet of the liftgate slightly below the liftgate flip-up glass.

2. Lift the rear wiper arm to have interaction the arm hinge in its over-center place with the wiper blade and aspect off of the liftgate and the glass.

3. To take away the wiper blade from the wiper arm, push the pivot block latch launch tab underneath the tip of the arm and slide the blade away from the tip in direction of the rear wiper motor output shaft finish of the arm.

4. Slide the rear wiper blade away from the tip of the arm in direction of the pivot finish of the arm far sufficient to disengage the pivot block from the hook formation on the top of the arm.

5. Extract the hook formation on the tip of the wiper arm from the opening within the wiper blade superstructure forward of the wiper blade pivot block/latch unit.

CAUTION: Do not enable the wiper arm to spring again towards the liftgate or the glass with out the wiper blade in place or they might be broken.

6. Gently decrease the wiper arm and place the arm help within the park ramp.

Rear blade set up:

NOTE: The notched finish of the wiper aspect flexor ought to at all times be oriented in direction of the top of the wiper blade that’s nearest to the rear wiper motor output shaft.

1. Lift the rear wiper arm off of the liftgate park ramp.

2. Position the rear wiper blade close to the hook formation on the tip of the arm with the notched finish of the wiper aspect flexor oriented in direction of the top of the wiper arm that’s nearest to the rear wiper motor output shaft.

3. Insert the hook formation on the tip of the wiper arm by means of the opening within the wiper blade superstructure forward of the wiper blade pivot block/ latch unit far sufficient to have interaction the pivot block with the hook.

4. Slide the wiper blade pivot block/latch up into the hook formation on the tip of the wiper arm till the latch launch tab snaps into its locked place.

5. Gently decrease the wiper arm and place the arm help on the park ramp.

Rear arm elimination:

Wiper arm nut and cap Wiper arm elimination instrument Front wiper arm

1. Carefully pry the plastic nut cap off of the nut on the rear wiper motor output shaft finish of the wiper arm. This can normally be executed with out a instrument.

2. Using a 13mm socket or wrench, take away the nut that secures the rear wiper arm to the rear wiper motor output shaft.

3. Lift the rear wiper arm far sufficient to have interaction the over-center arm hinge in its upright place to carry the wiper blade off of the liftgate.

4. If essential, use a battery terminal puller to disengage the wiper arm from the rear wiper motor output shaft splines.

5. Remove the rear wiper arm pivot finish from the motor output shaft.

Rear arm set up:

1. The rear wiper arm have to be listed to the motor output shaft with the rear wiper motor within the park place to be correctly put in. Place the wiper arm onto the liftgate with the wiper arm help positioned on the park ramp and the tapered mounting gap on the pivot finish of the arm positioned over the rear wiper motor output shaft.

2. With the wiper arm within the Installation Position, push the tapered mounting gap on the pivot finish of the wiper arm down over the rear wiper motor output shaft.

3. Install and tighten the nut that secures the rear wiper arm to the rear wiper motor output shaft. Tighten the nut to 18 N·m (13 ft. lbs.)

4. Reinstall the plastic nut cap over the nut on the rear wiper motor output shaft finish of the rear wiper arm.

5. Lift the rear wiper arm help away from the park ramp, then place the wiper arm help within the park ramp within the Park Position.

 

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