84 - WIPERS AND WASHERS

CONTENTS

Page

DESCRIPTION AND OPERATION

WIPER AND WASHER SYSTEM...... 1 WINDSCREEN WIPER AND WASHER OPERATION...... 3 REAR SCREEN WIPER AND WASHER OPERATION...... 4 HEADLIGHT WASH/WIPE...... 4 WASHER RESERVOIR LOW SCREEN WASH LEVEL...... 4

FAULT DIAGNOSIS

WIPER AND WASHER SYSTEM FAULTS...... 1

REPAIR

HEADLAMP WIPER BLADE, ARM & WASHER JET...... 1 WIPER MOTOR...... 2 WIPER MOTOR AND LINKAGE...... 2 REAR WIPER ARM...... 4 REAR WIPER MOTOR...... 5 WASHER JET - FRONT...... 6 WASHER JET - REAR...... 7 WASHER ...... 7 WASHER RESERVOIR...... 8 FRONT WIPER ARM...... 9 FRONT WIPER BLADE...... 9 WIPER STALK...... 10

WIPERS AND WASHERS

WIPER AND WASHER SYSTEM

The illustration below locates and identifies the main components in the wiper and washer system, which is operated by a multi-switch (1) on the RH side of the steering column. All functions of the system are described in the following pages.

1. Multi-switch 11. Wiper motor, rear screen 2. Wiper motor, windscreen 12. Wiper arm/blade 3. Wiper arm/blade 13. Washer jet 4. Washer reservoir 14. Wiper motor, headlamp 5. Filler cap tube, washer reservoir 15. Wiper arm/blade 6. Windscreen washer pump 16. Washer pump, headlamp 7. Non return valve 17. Non return valve 8. Washer jets 18. Washer jet 9. Rear screen washer pump 19. Low screen wash sensor 10. Non return valve

DESCRIPTION AND OPERATION 1 84 WIPERS AND WASHERS NEW RANGE ROVER

Description The windscreen wiper motor (2) is located in the plenum chamber on the driver's side and uses a A mounted washer reservoir (4), with low conventional linkage arrangement to operate the screen wash sensor (19) and extended filler cap tube wiper arms and blades (3). The rear wiper motor (11) (5), is fitted and supplies both front and rear washers is secured to the screen frame and drives a single using integral pump motors (6) and (9). When wiper arm/blade (12) that parks horizontally behind a headlamp wash/wipe is installed a separate pump finisher panel, which also hides the washer jet (13). (16) is used in the system, including a non return When fitted, the headlamp wiper motor (14) is valve (17) for each side. installed in the lower rear of the headlamp unit and drives a wiper arm/blade assembly, which includes Two bonnet mounted windscreen washer jets (8), twin washer jets (18), see 84M7013. using a single non return valve (7) are linked to the system by rubber tubing and plastic connectors. Reinforced plastic tubing, supplying the front and rear screen washers, is taped in with the electrical harness routed along the inside wings of the compartment to facilitate production. A similar arrangement is used to route the rear washer tubing from the vehicle 'A' post to the non return valve (10).

2 DESCRIPTION AND OPERATION WIPERS AND WASHERS

WINDSCREEN WIPER AND WASHER OPERATION Windscreen wash/wipe

The windscreen wipers and washers can only function Press and hold the lower button (5) at the end of the with the starter switch turned to positions 1 or 2. lever, see 84M7014. The washers and wipers will operate for as long as Raise or lower the multi-switch lever to operate the the button is pressed. When the button is released the windscreen wipers only, from position O for each washers stop, but the wipers will continue for a further function, see 84M7013. three full wipes before parking.

Single wipe

Raise the lever to position 1. The wipers will continue to wipe for as long as the lever is held in this position.

Intermittent wipe

Lower the lever to position 2. To vary the delay between wipes rotate the thumb wheel to the right to increase the delay; to the left to decrease the delay.

Continuous wipe, slow speed A momentary press of the button will initiate a Lower the lever to position 3. programmed wash/wipe cycle.After a short period the washers will stop and the wipers continue for a further Continuous wipe, fast speed three full wipes before parking. Moving the lever to any other front wipe position during the programmed Lower the lever to position 4. wash/wipe will cancel the remainder of the programmed cycle.

If the fluid level in the washer reservoir is low, the programmed wash/wipe will only operate for as long as the button is pressed; there will be no timed wash or additional three wipes.

NOTE: Functions 1 to 4 will also operate when the lever is pulled rearwards. However, in this position the rear screen intermittent wipe will also function.

DESCRIPTION AND OPERATION 3 84 WIPERS AND WASHERS NEW RANGE ROVER

REAR SCREEN WIPER AND WASHER A momentary press of the button will initiate a OPERATION programmed wash/wipe cycle. After a short period, the washer will stop and the wiper will complete a Intermittent wipe further three wipes before parking. Moving the lever to any other rear wipe position during the programmed Pull the multi-switch lever back to engage rear screen wash/wipe will cancel the remainder of the intermittent wipe, see 84M7015. programmed cycle. All functions of the windscreen wipers are also available in this position. If the fluid level in the washer reservoir is low, the programmed wash/wipe will only operate for as long If the front wipers are operating in intermittent mode as the button is pressed; there will be no timed wash the rear wiper will function on every second operation or additional three wipes. of the front wipers. The rear wash/wipe will not operate if the tailgate is open.

The rear wiper will operate automatically when reverse gear is selected, if the windscreen wipers are functioning in any mode.

HEADLIGHT WASH/WIPE

Headlight wash/wipe is controlled via a timer unit which is activated by the windscreen washer system, only when the are switched on.

Rear screen wash/wipe Headlight wash/wipe functions on the first operation of the windscreen wash/wipe and thereafter at every Press and hold the upper button (6) at the end of the other wash/wipe. lever, see 84M7016. The washer and wiper will operate for as long as the button is pressed. When the If the fluid level in the washer reservoir is low the button is released the washer will stop, but the wiper headlight wash/wipe will not function at all. will continue for a further three wipes before parking.

WASHER RESERVOIR LOW SCREEN WASH LEVEL

The message centre will display 'LOW SCREEN WASH LEVEL' whenever the front or rear wash/wipe systems are used and the screen wash level is low. The message is also activated whenever the starter switch is turned to, or from position 2.

4 DESCRIPTION AND OPERATION WIPERS AND WASHERS

WIPER AND WASHER SYSTEM FAULTS

This section covers mechanical, fuse, and possible relay faults that could occur in the wiper and washer system. Visual checks of components within the system and relevant fuses should be carried out before undertaking detailed fault diagnosis procedures, which are covered on TestBook .

1. Symptom - Front Wiper System Inoperative.

POSSIBLE CAUSE REMEDY

1. Blown wiper system fuse. 1. Check and replace fuse 25.

2. Loose wiper system electrical 2. Secure relevant connections. connections

3. Faulty relay. 3. Renew relay RL-1.

4. Faulty wiper motor. 4. Renew wiper motor.

5. Faulty multi-switch. 5. Refer to TestBook to confirm fault and renew multi-switch.

2. Symptom - Front Wipers Inoperative.

POSSIBLE CAUSE REMEDY

1. Loose wiper motor electrical 1. Check and secure all relevant connections. connections.

2. Disengaged or loose wiper 2. Check, tighten, or renew linkage fixings. motor linkage.

3. Faulty wiper motor. 3. Renew wiper motor.

3. Symptom - Front Wipers Not Operating In Slow Or Fast Modes.

POSSIBLE CAUSE REMEDY

1. Faulty relay. 1. Renew relay RL-8.

FAULT DIAGNOSIS 1 84 WIPERS AND WASHERS NEW RANGE ROVER

4. Symptoms - Windscreen Washer Jets - Inoperative Or Functioning Erratically.

POSSIBLE CAUSE REMEDY

1. Empty washer reservoir. 1. Refill washer reservoir.

2. Washer jet/s blocked. 2. Clear obstruction with a needle or strand of wire.

3. Loose or disconnected washer 3. Check and secure all relevant connections. tubes/connectors.

4. Faulty non return valve. 4. Renew non return valve.

5. Screen wash flow restricted or 5. Check for kinks in washer tubes or that retaining clips are not over blocked in washer tubes. tightened.

6. Loose or disconnected washer 6. Reconnect multi-plug. pump multi-plug.

7. Faulty washer pump. 7. Renew washer pump.

5. Symptom - Rear Wiper Motor - Inoperative.

POSSIBLE CAUSE REMEDY

1. Blown wiper motor fuse. 1. Check and renew fuse 15.

2. Loose or disconnected wiper 2. Reconnect plug lead. motor plug lead.

3. Faulty wiper motor. 3. Renew wiper motor.

4. Faulty multi-switch. 4. Refer to TestBook to confirm fault and renew multi-switch.

6. Symptom - Rear Wiper Arm/Blade Inoperative.

POSSIBLE CAUSE REMEDY

1. Loose or disconnected wiper 1. Reconnect plug lead. motor plug lead.

2. Loose wiper arm fixing. 2. Secure fixing.

2 FAULT DIAGNOSIS WIPERS AND WASHERS

7. Symptom - Rear Screen Washer Jet - Inoperative or Functioning Erratically.

POSSIBLE CAUSE REMEDY

1. Empty washer reservoir. 1. Refill washer reservoir.

2. Washer jet blocked. 2. Clear obstruction with a needle or strand of wire.

3. Loose or disconnected washer 3. Check and secure all relevant connections. tubes/connectors.

4. Faulty non return valve. 4. Renew non return valve.

5. Loose or disconnected washer 5. Reconnect multi-plug. pump multi-plug.

6. Screen wash flow restricted or 6. Check for kinks in washer tubes or that retaining clips are not over blocked in washer tubes. tightened.

7. Faulty or inoperative washer 7. Renew washer pump. pump.

8. Symptom - Headlight Wiper System Inoperative.

POSSIBLE CAUSE REMEDY

1. Screen wash level in reservoir 1. Refill washer reservoir. low or empty.

2. Blown headlight wiper system 2. Check and renew fuse 38. fuse.

3. Loose or disconnected wiper 3. Reconnect multi-plug. motor multi-plug.

4. Faulty wiper motor relay. 4. Renew relay RL-11.

5. Faulty wiper motor. 5. Renew wiper motor.

6. Faulty multi-switch. 6. Refer to TestBook to confirm fault and renew multi-switch.

FAULT DIAGNOSIS 3 84 WIPERS AND WASHERS NEW RANGE ROVER

9. Symptom - Headlight Wiper Arm/Blade Inoperative.

POSSIBLE CAUSE REMEDY

1. Loose or disconnected wiper 1. Reconnect multi-plug. motor multi-plug.

2. Loose wiper arm fixing. 2. Secure fixing

10. Symptom - Headlight Washer Jets - Inoperative Or Functioning Erratically.

POSSIBLE CAUSE REMEDY

1. Empty washer reservoir. 1. Refill washer reservoir.

2. Washer jet/s blocked. 2. Clear obstruction with a needle or strand of wire.

3. Loose or disconnected washer 3. Check and secure all relevant connections. tubes/connectors.

4. Faulty non return valve. 4. Renew non return valve.

5. Screen wash flow restricted or 5. Check for kinks in washer tubes or that retaining clips are not over blocked in washer tubes. tightened.

6. Loose or disconnected 6. Reconnect multi-plug. headlight washer pump multi-plug.

7. Faulty or inoperative washer 7. Renew washer pump. pump.

11. Symptom - 'Low Screen Wash Level' - Shown On Message Centre.

POSSIBLE CAUSE REMEDY

1. Screen wash level low in 1. Refill washer reservoir. reservoir.

2. Low level sensor plug loose or 2. Reconnect sensor plug. disconnected.

3. Faulty low level sensor. 3. Renew sensor.

4 FAULT DIAGNOSIS WIPERS AND WASHERS

HEADLAMP WIPER BLADE, ARM & WASHER JET

Service repair no - 84.25.06 - Blade Service repair no - 84.25.02 - Arm

Blade

1. Lift wiper arm away from headlamp. 2. Remove wiper blade.

Refit

6. Connect washer tube to jet. 7. Ensure wiper arm is in 'park' position. 8. Position wiper arm to spindle. Set wiper arm horizontal. 9. Secure wiper arm with nut. Tighten to 10 Nm (7 lbf.ft). Secure cover.

Blade

10. Clip blade into wiper arm.

Arm and Washer jet Assembly

3. Lift cover. Remove nut securing arm to spindle.

4. Disconnect hose from washer jet. 5. Remove wiper arm/jet assembly from spindle.

REPAIR 1 84 WIPERS AND WASHERS NEW RANGE ROVER

HEADLAMP WIPER MOTOR WIPER MOTOR AND LINKAGE

Service repair no - 84.25.12 Service repair no - 84.15.11

Remove Remove

1. Remove relevant wiper blade. See this section. 1. Remove air intake plenum. See HEATING AND 2. Remove relevant headlamp assembly. See VENTILATION, Repair. ELECTRICAL, Repair. 2. Remove covers from wiper spindles. 3. Release wiper motor multiplug from bracket. 3. Remove nuts and flat washers securing wiper spindle housings.

4. Remove spindle seal. 5. Remove nut and flat washer securing motor to 4. Disconnect screen heater multiplug. Release headlamp. multiplug clip from scuttle side panel on driver's 6. Remove wiper motor. side of vehicle. 5. Remove 6 bolts securing scuttle side panel. Refit Remove panel.

7. Reverse removal procedure. 8. Tighten motor securing nut to 10 Nm (7 lbf.ft).

2 REPAIR WIPERS AND WASHERS

Refit

8. Position wiper motor/linkage assembly. Fit bolts loosely securing motor to scuttle panel. 9. Position scuttle side panel. Secure with bolts. 10. Connect screen heater multiplug. Secure multiplug clip to scuttle panel. 11. Secure wiper spindle housings to scuttle with nuts and flat washers. Tighten to 11 Nm (8 lbf.ft) 12. Tighten motor securing bolts to 7 Nm (5 lbf.ft) 13. Connect multiplug to wiper motor. 14. Fit covers over wiper spindles. 15. Fit air intake plenum. See HEATING AND VENTILATION, Repair.

6. Disconnect multiplug from wiper motor.

7. Remove 2 bolts securing wiper motor to scuttle. Remove wiper motor/linkage assembly.

REPAIR 3 84 WIPERS AND WASHERS NEW RANGE ROVER

REAR WIPER ARM Refit

Service repair no - 84.35.01 - Wiper Arm 4. Fit wiper blade to arm. Service repair no - 84.35.02 - Wiper Blade 5. Position arm to motor spindle. Secure with nut. Tighten to 17 Nm (12 lbf.ft) Remove 6. Fit nut cover.

1. Remove wiper arm nut cover. Remove nut.

2. Remove wiper arm from motor spindle.

Wiper Blade

3. Release clip. Remove blade from arm

4 REPAIR WIPERS AND WASHERS

REAR WIPER MOTOR 4. Open tailgate. 5. Remove 6 screws securing wiper motor cover. Service repair no - 84.35.12

Remove

1. Remove wiper arm nut cover. Remove nut.

6. Disconnect motor multiplug.

2. Remove wiper arm from motor spindle. 3. Remove motor spindle cover, retaining nut and seal.

7. Remove 2 bolts securing motor. Remove motor. 8. Remove 4 bolts securing mounting plate to motor. 9. Release multiplug holder. Remove mounting plate. 10. Remove sealing rubber from motor spindle.

REPAIR 5 84 WIPERS AND WASHERS NEW RANGE ROVER

WASHER JET - FRONT

Service repair no - 84.10.08

Remove

1. Disconnect washer tube elbow from base of jet.

Refit

11. Fit sealing rubber to motor spindle. 2. Remove jet from retainer. 12. Fit mounting plate. Secure with bolts. 13. Connect multiplug holder to mounting plate. 14. Position motor. Secure with bolts. Tighten to 7 Nm (5 lbf.ft) 15. Connect multiplug. 16. Position motor cover. Secure with screws. 17. Close tailgate. 18. Fit motor spindle seal. Fit retaining nut. Tighten to 4 Nm (3 lbf.ft). Fit cover. 19. Position wiper arm. Secure with retaining nut. Tighten to 17 Nm (12 lbf.ft). Fit cover.

3. Remove retainer.

Refit

4. Reverse removal procedure.

6 REPAIR WIPERS AND WASHERS

WASHER JET - REAR WASHER PUMP

Service repair no - 84.30.09 Service repair no - 84.10.21

Remove Remove

1. Prise washer jet from tailgate. 1. Raise the vehicle.

WARNING: Support on safety stands.

2. Release washer reservoir for access. See this section. 3. Drain washer fluid into a suitable container. 4. Disconnect pump multiplug and hose. 5. Remove pump from reservoir. Collect seal and discard.

Refit

6. Fit seal and pump to reservoir. 7. Connect multiplug and hose. 8. Refit washer reservoir. See this section. 9. Remove safety stands. Lower vehicle.

CAUTION: Do not use a metal lever, or painted surface may be damaged.

2. Remove washer jet from tube.

Refit

3. Reverse removal procedure.

REPAIR 7 84 WIPERS AND WASHERS NEW RANGE ROVER

WASHER RESERVOIR

Service repair no - 84.10.01

Remove

1. Raise the vehicle.

WARNING: Support on safety stands.

2. Remove RH wheel arch liner. See CHASSIS AND BODY, Repair. 3. Remove bolt and screw securing filler neck to chassis and radiator bracket.

6. Release reservoir from mounting for access to washer . 7. Disconnect multiplugs and hoses from 3 washer pumps.

4. Remove filler neck. 5. Remove 2 bolts securing reservoir to chassis.

8. Disconnect fluid level indicator multiplug. 9. Remove washer pumps and seals from reservoir. 10. Remove filler neck seal.

Refit

11. Reverse removal procedure.

8 REPAIR WIPERS AND WASHERS

FRONT WIPER ARM FRONT WIPER BLADE

Service repair no - 84.15.01 - Pair Service repair no - 84.15.05 - Pair Service repair no - 84.15.02 - Each Service repair no - 84.15.06 - Each

Remove Remove

1. Remove cover from wiper arm nut. 1. Raise wiper arm. 2. Release clip securing blade to wiper arm.

2. Remove nut securing wiper arm to spindle. 3. Remove wiper arm/blade assembly. 4. If necessary, release clip and remove blade from wiper arm.

Refit 3. Remove wiper blade. 5. If necessary, fit blade to wiper arm. 6. Ensure motor is in "park" position. Refit 7. Position wiper arm/blade assembly. Ensure tip of wiper arm is level with top edge of screen 4. Position blade. Push into arm until clip engages obscuration band. in slot. 8. Secure wiper arm with nut. Tighten to 19 Nm 5. Lower wiper arm. (14 lbf.ft) 9. Lift wiper arm slightly. Remove pin. 10. Fit cover to wiper arm nut. 11. Operate wipers on wet screen to ensure correct setting.

REPAIR 9 84 WIPERS AND WASHERS NEW RANGE ROVER

WIPER STALK

Service repair no - 84.15.34

Remove

1. Remove steering column nacelle. See STEERING, Repair. 2. Remove 2 screws securing wiper stalk to steering column. 3. Release stalk for access to multiplug.

4. Disconnect multiplug. Remove wiper stalk.

Refit

5. Reverse removal procedure.

10 REPAIR