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 Defender21 · BRAKES
21 · Brakes

BRAKE SYSTEM BLEED

Make
Land Rover
Model
Defender 300Tdi Defender
Section
BRAKE SYSTEM BLEED
BRAKESBRAKE SYSTEM BLEED
background image

70

BRAKES

2

REPAIR

BRAKE SYSTEM BLEED

Service repair no - 70.25.02

Preparation

WARNING: Before bleeding the brake
system refer to general brake service
practice.

See General Brake Service

Practice .

 

During bleed procedure, brake fluid level must
not be allowed to fall below the MIN level.

 

To bleed the hydraulic circuits, four bleed
nipples are provided, one at each caliper.

 

There are two methods by which air can be
removed from the braking system:-

1. MANUAL BLEED PROCEDURE.
2. PRESSURE BLEED PROCEDURE.

Pressure bleed procedure

Purpose designed equipment for pressure filling and
bleeding of hydraulic systems may be used on Land
Rover vehicles. The equipment manufacturer’s
instructions must be followed and the pressure must
not exceed 4.5 bar, 65 lb/in

2

.

Manual bleed procedure

Equipment required

¡

Clean glass receptacle

¡

Bleed hose

¡

Wrench

¡

Approx 2 litres (3 pints) brake fluid.

See

LUBRICANTS, FLUIDS AND CAPACITIES,
Information, Recommended lubricants and
fluids

Master cylinder bleed

1. Disconnect battery.
2. Depress brake pedal fully and slowly 5 times.
3. Release the pedal and wait for ten seconds.
4. Air bubbles will rise into the reservoir during

these instructions.

5. Repeat instructions until a firm resistance is felt

at the pedal.

Complete circuit bleed

1. Disconnect battery.
2. Bleed front calipers, driver’s side first. Fit bleed

hose to bleed screw.

3. Dip free end of bleed hose into brake fluid in

bleed bottle.

4. Open bleed screw of caliper.
5. Depress brake pedal fully several times until fluid

is clear of air bubbles.

6. Keeping pedal fully depressed, tighten bleed

screw, then release pedal.

7. Repeat procedure on other front caliper followed

by rear calipers.

8. Fit all bleed screw protection caps.
9. Check/top-up fluid level when bleeding is

complete

See Fluid Level Check/Top-Up .

Parts & tools for this job For Land Rover Defender

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