Workshop Manuals Factory service & repair Land Rover
01 02 AMENDMENT INSTRUCTION SHEET03 INTRODUCTION04 GENERAL SPECIFICATION DATA05 ENGINE TUNING DATA06 GENERAL FITTING REMINDERS07 MAINTENANCE08 ENGINE09 FUEL SYSTEM10 COOLING SYSTEM11 MANIFOLD AND EXHAUST SYSTEM12 CLUTCH13 MANUAL GEARBOX14 TRANSFER GEARBOX15 PROPELLER SHAFTS16 REAR AXLE AND FINAL DRIVE17 FRONT AXLE AND FINAL DRIVE18 STEERING19 FRONT SUSPENSION20 REAR SUSPENSION21 BRAKES22 WHEELS AND TYRES23 CHASSIS AND BODY24 HEATING AND VENTILATION25 AIR CONDITIONING26 WIPERS AND WASHERS27 ELECTRICAL28 INSTRUMENTS
Land Rover 300Tdi Defender18 · STEERING
18 · Steering & suspension

POWER STEERING SYSTEM - GRUNT

Make
Land Rover
Model
Defender 300Tdi Defender
Section
POWER STEERING SYSTEM - GRUNT
STEERINGPOWER STEERING SYSTEM - GRUNT
background image

STEERING

9

FAULT DIAGNOSIS

POWER STEERING SYSTEM - EXCESSIVE NOISE

1. Is fluid level correct?

YES - go to 3.
NO - Refill or drain to correct level. Bleed
system, check for leaks

See Repair, Power

Steering System - Bleed .

2. Is problem resolved?

YES - end
NO - continue.

3. Is pressure hose from pump to box touching

body in a hard foul condition?
YES - route hose away from body.
NO - go to 5.

4. Does noise remain?

YES - continue.
NO - end.

5. Is noise a whistle or hiss on full lock?

YES - noise is not a fault unless excessive.
Compare with other vehicles
NO - go to 8.

6. Is noise excessive?

YES - continue.
NO - end.

7. Change steering box and/or pump.

8. Is noise a squeal on full lock?

YES - checkdrive belt tension and remove belt if
necessary

See ELECTRICAL, Repair,

Auxiliary drive Belt .
NO - go to 10.

9. Does squeal remain?

YES - drive belt contaminated, change belt.
NO - end.

10. Is noise a continuous moan?

YES - bleed PAS system

See Repair, Power

Steering System - Bleed .
NO - go to 13.

11. Does moan remain?

YES - do figure 8 manoeuvres.
NO - end.

12. Does moan remain?

YES - continue
NO - end.

13. Is noise an intermittent "grunt"?

YES -

See Power Steering System - Grunt .

NO - continue.

14. Is it a clunking noise?

YES - check drive belt tension and renew belt if
necessary

See ELECTRICAL, Repair,

Auxiliary drive Belt .
NO - contact local technical office.

15. Does noise remain?

YES - Suspect suspension or drive train.
NO - end.

POWER STEERING SYSTEM - GRUNT

Steering box grunts intermittently when turning
from lock to lock:

1. Is fluid level correct?

YES - go to 3.
NO - refill or drain to correct level. Bleed system,
check for leaks

See Repair, Power Steering

System - Bleed .

2. Does grunt remain?

YES - continue
NO - end.

3. Is correct low pressure hose ANR 3152, steering

box to reservoir fitted?
YES - go to 5.
NO - Fit correct hose.

4. Does grunt remain?

YES - continue
NO - end.

5. Purge box by doing figure 8 manoeuvres e.g. on

car park, followed by 10 minutes normal road
use.

6. Does grunt remain?

YES - Contact local technical office
NO - end.

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