Workshop Manuals Factory service & repair Land Rover
01 Discovery Workshop Manual - 2nd Edition02 01 - INTRODUCTION03 04 - GENERAL SPECIFICATION DATA04 05 - ENGINE TUNING DATA05 07 - GENERAL FITTING REMINDERS06 09 - LUBRICANTS, FLUIDS AND CAPACITIES07 10 - MAINTENANCE08 12 - ENGINE - Tdi09 10 11 12 12 - ENGINE - V8i13 12 - ENGINE - 4.0 V814 12 - ENGINE - Mpi15 16 17 18 17 - EMISSION CONTROL19 19 - FUEL SYSTEM - Tdi20 19 - FUEL SYSTEM - MFI21 19 - FUEL SYSTEM - SFI22 19 - FUEL SYSTEM - Mpi23 19 - FUEL SYSTEM - Cruise Control24 26 - COOLING SYSTEM - Tdi25 26 - COOLING SYSTEM - V8i26 26 - COOLING SYSTEM - Mpi27 28 30 - MANIFOLD AND EXHAUST SYSTEM29 33 - CLUTCH30 37 - MANUAL GEARBOX - R38031 41 - TRANSFER GEARBOX32 44 - AUTOMATIC GEARBOX - ZF33 34 35 47 - PROPELLER SHAFTS36 51 - REAR AXLE AND FINAL DRIVE37 38 54 - FRONT AXLE AND FINAL DRIVE39 40 41 57 - STEERING42 43 44 60 - FRONT SUSPENSION45 64 - REAR SUSPENSION46 70 - BRAKES47 74 - WHEELS AND TYRES48 75 - SUPPLEMENTARY RESTRAINT SYSTEM49 76 - CHASSIS AND BODY50 51 80 - HEATING AND VENTILATION52 82 - AIR CONDITIONING53 84 - WIPERS AND WASHERS54 86 - ELECTRICAL
Land Rover 300Tdi Discovery46 · 70 - BRAKES
46 · Brakes

ELECTRONIC CONTROL UNIT ABS

Make
Land Rover
Model
Discovery 300Tdi Discovery
Section
REPAIR › ELECTRONIC CONTROL UNIT ABS
70 - BRAKESELECTRONIC CONTROL UNIT ABS
background image

70

BRAKES

22

REPAIR

MODULATOR UNIT

Service repair no - 70.65.45

WARNING: New modulator units are
supplied in a shock absorbing pack
marked with a use by date. The new

modulator will contain hydraulic brake fluid within
the valve block and all ports plugged.

Modulator units must be handled with care the
following must be avoided:- any impact, use of
compressed air on any of the hydraulic ports,
removing plugs to connection ports before fitting
unit.

Remove

1. Refer to the illustration of brake components

ABS. For details of modulator unit and hydraulic
pipe connections to it.

See Brake

Components ABS

2. Refer to general brake service practice.

See

General Brake Service Practice

3. Check new modulator unit is packaged in

accordance with the WARNING above.

4. Disconnect battery negative lead.
5. Remove the two electrical plugs.
6. Identify 8 pipe to modulator connections for

correct reassembly.

7. Disconnect 8 pipe unions.
8. Remove nuts securing modulator to mounting

bracket.

9. Remove modulator unit.

10. Remove mounting bushes and cup.

Refit

11. Fit mounting bushes and cup to new modulator.
12. Fit modulator unit to mounting bracket.
13. Fit 8 pipes to modulator connections. Pipes

must be connected to correct port. Tighten to
15Nm.

14. Bleed the complete hydraulic system.

See

Brake System Bleed

15. Check system function using the ’Testbook’

diagnostics

16. Test operation of brakes.

ELECTRONIC CONTROL UNIT ABS

Service repair no - 70.65.01

Remove

For location of the ECU.

See Description and

operation, ABS Components

1. Disconnect battery negative lead.
2. Remove retaining bolt and lower alarm system

ECU and relay mounting bracket into passenger
footwell.

3. Remove two screws and detach ECU complete

with harness plug from mounting bracket.

4. Release ECU plug retaining clip.
5. Move plug in direction of arrow and release

hooked end of plug from retaining post.

Refit

6. Reconnect ECU harness plug ensuring that it is

firmly located and retaining clip secures plug.

7. Reverse removal procedure.

Parts & tools for this job Staging For Land Rover Discovery

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