1999 LAND ROVER DEFENDER brakes

CONTENTS
01 INTRODUCTION
04 GENERAL SPECIFICATION DATA
05 ENGINE TUNING DATA
07 GENERAL FITTING REMINDERS
09 LUBRICANTS, FLUIDS AND CAPACITIES
10 MAINTENANCE
12 ENGINE
17 EMISSION CONTROL
18 ENGINE MANAGEMENT SYSTEM
19 FUEL SYSTEM
26 COOLING SYSTEM
30 MANIFOLD AND EXHAUST SYSTEM
33 CLUTCH
37 MANUAL GEARBOX
41 TRANSFER GEARBOX
47 PROPELLER SHAFTS
57 STEERING
60 FRONT SUSPENSION
64 REAR SUSPENSION
70 BRAKES
76 CHASSIS AND BODY
77 PANEL REPAIRS
82 AIR CONDITIONING
84 WIPERS AND WASHERS
86 ELECTRICAL
88 INSTRUMENTS
01
04
05
07
09
10
12
17
18
19
26
30
33
37
41
47
57
60
64
70
76
77
82
84
86
88
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INTRODUCTION
1
INFORMATION INTRODUCTION
This Workshop Manual Supplement covers vehicles
from 1999 and 2002 model year onwards. The Body
Repair Manual has also been incorporated into this
supplement. Amendments and additional pages will
be issued, when necessary, to ensure that the
supplement covers latest models.
This Supplement is designed to assist skilled
technicians in the efficient repair and maintenance of
Land Rover Defender vehicles.
Individuals who undertake their own repairs should
have some skill and training, and limit repairs to
components which could not affect the safety of the
vehicle or its passengers. Any repairs required to
safety critical items such as steering, brakes,
suspension or supplementary restraint system should
be carried out by a Land Rover Dealer. Repairs to
such items should NEVER be attempted by untrained
individuals.
WARNINGS, CAUTIONSandNOTESare given
throughout this Manual in the following form:
WARNING: Procedures which must be
followed precisely to avoid the possibility
of personal injury.
CAUTION: This calls attention to
procedures which must be followed to
avoid damage to components.
NOTE: This calls attention to methods
which make a job easier or gives helpful
information.
DIMENSIONS
The dimensions quoted are to design engineering
specification. Alternative unit equivalents, shown in
brackets following the dimensions, have been
converted from the original specification.REFERENCES
References to the left or right hand side in the manual
are made when viewing the vehicle from the rear.
With the engine and gearbox assembly removed, the
crankshaft end of the engine is referred to as the front.
To reduce repetition, some operations covered in this
Supplement do not include reference to testing the
vehicle after repair.
It is essential that work is inspected and tested after
completion and if necessary a road test of the vehicle
is carried out, particularly where safety related items
are concerned.
REPAIRS AND REPLACEMENTS
When replacement parts are required it is essential
that Land Rover parts are used.
Attention is particularly drawn to the following points
concerning repairs and the fitting of replacement parts
and accessories: Safety features embodied in the
vehicle may be impaired if other than Land Rover
parts are fitted. In certain territories, legislation
prohibits the fitting of parts not to the vehicle
manufacturer’s specification. Torque spanner values
given in the Supplement must be strictly adhered to.
Locking devices, where specified, must be fitted. If the
efficiency of a locking device is impaired during
removal it must be replaced with a new one. Certain
fasteners must not be re-used. These fasteners are
specified in the Supplement.
POISONOUS SUBSTANCES
Many liquids and other substances used are
poisonous and therefore must not be consumed. It is
also advisable to keep all substances away from open
wounds. These substances among others include
anti-freeze, brake fluid, fuel, windscreen washer
additives, air conditioning refrigerant, lubricants and
various adhesives.
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01INTRODUCTION
6
INFORMATION 3.Position an axle stand under right hand axle
tube, carefully lower jack until axle sits securely
on both axle stands, remove trolley jack.
4.Before commencing work on underside of
vehicle re-check security of vehicle on stands.
5.Reverse procedure when removing vehicle from
stands.
Raise rear of vehicle
1.Position cup of hydraulic arm under differential
casing.
2.Raise vehicle to enable axle stands to be
installed under left and right hand axle tubes.
3.Lower jack until axle sits securely on axle
stands, remove trolley jack.
4.Before commencing work on underside of
vehicle re-check security of vehicle on stands.
5.Reverse procedure when removing vehicle from
stands.
HYDRAULIC VEHICLE RAMP (FOUR POST)
Use only a’drive on’type ramp which supports vehicle
on its road wheels. If a’wheel-free’condition is
required, use a’drive on’ramp incorporating a
’wheel-free’system providing support beneath axle
casings. Alternatively, place vehicle on a firm, flat floor
and support on axle stands.
TWO POST VEHICLE RAMPS
The manufacturer of LAND ROVER VEHICLES
DOES NOT recommend using ’Two Post’ ramps
that employ four adjustable support arms. These
are NOT considered safe for Land Rover vehicles.
If vehicle is installed on a Two Post ramp
responsibility for safety of vehicle and personnel
performing service operations is in the hands of
the Service Provider.DYNAMOMETER TESTING
The front and rear axles cannot be driven
independently.
WARNING: DO NOT attempt to drive
individual wheels with vehicle supported
on floor jacks or stands.
Four wheel dynamometers
Provided that front and rear dynamometer rollers are
rotating at identical speeds and that normal workshop
safety standards are applied, there is no speed
restriction during testing except any that may apply to
the tyres.
Two wheel dynamometers
IMPORTANT: Use a four wheel dynamometer for
brake testing if possible.
If brake testing on a single axle rig is necessary it
must be carried out with propeller shaft to rear axle
removed, AND neutral selected in BOTH main
gearbox and transfer gearbox. When checking brakes,
run engine at idle speed to maintain servo vacuum.
If checking engine performance, the transfer box must
be in high range and propeller shaft to stationary axle
must be removed.
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INTRODUCTION
7
INFORMATION TOWING
CAUTION: The vehicle has permanent
four-wheel drive. The following towing
instructions must be adhered to:
Towing the vehicle on all four wheels with driver
operating steering and brakes.
1.Turn ignition key to position’1’to release
steering lock.
2.Select neutral in main gearbox and transfer
gearbox.
3.Secure tow rope, chain or cable to front towing
eyes (alternative types shown).
4.Release the parking brake.
CAUTION: The brake servo and power
assisted steering system will not be
functional without the engine running.
Greater pedal pressure will be required to apply
the brakes, the steering system will require
greater effort to turn the front road wheels.
The vehicle tow connection should be used only
in normal road conditions,’snatch’recovery
should be avoided.Rear suspended tow by breakdown vehicle
1.If the front axle is to be trailed turn ignition key to
position’1’to release steering lock.
2.Select neutral in main gearbox and transfer box.
CAUTION: The steering wheel and/or
linkage must be secured in a straight
ahead position. DO NOT use the steering
lock mechanism for this purpose.
TRANSPORTING THE VEHICLE BY TRAILER
Lashing/towing eyes are provided on front and rear of
the chassis side members, see J6085, to facilitate the
securing of the vehicle to a trailer or other means of
transportation.
CAUTION: Underbody components must
not be used as lashing points.
Install vehicle on trailer and apply park brake. Select
neutral in main gearbox.
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04 - GENERAL SPECIFICATION DATA
CONTENTS
Page
INFORMATION
ENGINE - Td5 1......................................................................................................
FUEL SYSTEM - Td5 3...........................................................................................
COOLING SYSTEM - Td5 3....................................................................................
CLUTCH - Td5 3.....................................................................................................
TRANSMISSION - Td5 4.........................................................................................
STEERING 5...........................................................................................................
SUSPENSION 6......................................................................................................
ROAD SPRING DATA 6..........................................................................................
SHOCK ABSORBERS 7.........................................................................................
BRAKES 7...............................................................................................................
AIR CONDITIONING 8............................................................................................
WIPER MOTORS 8.................................................................................................
ELECTRICAL 8.......................................................................................................
BULBS9 .................................................................................................................
VEHICLE WEIGHTS AND PAYLOAD 10................................................................
TOWING WEIGHTS 11...........................................................................................
OFF-ROAD PERFORMANCE 11............................................................................
TYRE SIZE AND PRESSURES 12.........................................................................
WHEELS 12............................................................................................................
VEHICLE DIMENSIONS 13....................................................................................
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GENERAL SPECIFICATION DATA
7
INFORMATION SHOCK ABSORBERS
Type Telescopic, double-acting non-adjustable.................................................................................
Bore diameter 35.47mm...................................................................
BRAKES
Front brake
Caliper AP Lockheed, four opposed pistons..............................................................................
Operation Hydraulic, self adjusting.........................................................................
Disc 90 - Solid, outboard, 110/130 - Ventilated, outboard..................................................................................
Disc diameter 298 mm (11.73 in)...................................................................
Disc thickness 90 - 14,1 mm (0.56in), 110/130 - 24mm (0.95 in)..................................................................
Wear limit 1 mm (0.04in) per side of disc.........................................................................
Disc run-out maximum 0,15mm (0.006 in).....................................................
Pad area 58 cm
2(9.0 in2) ..........................................................................
Total swept area 801,3 cm2(124.2 in2) ...............................................................
Pad material Ferodo 3440 non asbestos.....................................................................
Pad minimum thickness 3 mm (0.12in)...................................................
Rear brake
Caliper AP Lockheed opposed piston..............................................................................
Operation Hydraulic, self adjusting.........................................................................
Disc Solid, outboard..................................................................................
Disc diameter 90 - 290 mm (11.42 in), 110/130 - 298 mm (11.73)...................................................................
Disc thickness 90 - 12,5 mm (0.49 in), 110/130 - 14,1 mm (0.56 in)..................................................................
Wear limit 90 - 0,38 mm (0.015 in), 110/130 - 1,0 mm (0.04 in).........................................................................
per side of disc
Disc run-out maximum 0,15 mm (0.006 in).....................................................
Pad area 90 - 30,5 cm
2(4.37 in2), 110/130 - 36,2 cm2(5.61 in2) ..........................................................................
Total swept area 90 - 694 cm2(106.98 in2) ...............................................................
Pad material Ferodo 3440 non asbestos.....................................................................
Pad minimum thickness UP TO 02MY - 3 mm (0.12 in)...................................................
Pad minimum thickness From 02MY - 2 mm (0.08 in)...................................................
Parking brake
Type Mechanical, cable operated drum brake on the rear of.................................................................................
the transfer gearbox output shaft
Drum internal diameter 254 mm (10.0 in).....................................................
Width 70 mm (2.75 in)................................................................................
Pad material Ferodo 3611 non asbestos.....................................................................
Servo/master cylinder
Manufacturer Lucas....................................................................
Servo type LSC 80........................................................................
Master cylinder type 25,4 mm (1.0 in) diameter, tandem.........................................................
Pressure reducing valve, failure conscious Cut-in pressure, 90 - 24 bar (360 Ibf/in
2) ratio 4.0:1, ......................
110 - 43 bar (645 Ibf/in2) ratio 2.9:1*
NOTE: * Pressure reducing valves are not fitted to all 110 specifications.
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GENERAL SPECIFICATION DATA
11
INFORMATION TOWING WEIGHTS
On-road Off-road
Unbraked trailers 750 Kg (1653 lb).............................................................. 500 Kg (1102 lb)
Trailers with overrun brakes 3500 Kg (7716 lb)............................................. 1000 Kg (2204 lb)
4 wheel trailers with coupled brakes * 4000 Kg (8818 lb).............................. 1000 Kg (2204 lb)
NOTE: * Only applies to vehicles modified to accept coupled brakes.
NOTE: All weight figures are subject to local restrictions.
OFF-ROAD PERFORMANCE
90 models
Max. gradient (EEC kerb weight) 45° .....................................
Approach angle:
Soft top and Pick-up (EEC kerb weight) 48° ..................
Hard top and station wagon (EEC kerb weight) 51.5° ......
Departure angle
Soft top and Pick-up (EEC kerb weight) 49° ..................
Hard top and Station wagon (EEC kerb weight) 53° ...............
Wading depth 500 mm (20 in)...................................................................
Min. ground clearance (unladen):
Soft top and pick-up 191 mm (7.5 in).................................................
Hard top and station wagon 229 mm (9.0 in).....................................
NOTE: Departure angles do not account for the addition of a tow hitch.
110 and 130 models
Max. gradient (EEC kerb weight) 45° .....................................
Approach angle (EEC kerb weight) 50° ..................................
Departure angle (EEC kerb weight)
110 models 35° ......................................................................
130 models 34° ......................................................................
Wading depth 500 mm (20 in)...................................................................
Min. ground clearance (unladen 215 mm (8.5 in).......................................
NOTE: Departure angles do not account for the addition of a tow hitch.
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GENERAL FITTING REMINDERS
5
INFORMATION JOINTS AND JOINT FACES
1.Always use correct gaskets where they are
specified.
2.Use jointing compound only when
recommended. Otherwise fit joints dry.
3.When jointing compound is used, apply in a thin
uniform film to metal surfaces; take great care to
prevent it from entering oilways, pipes or blind
tapped holes.
4.Remove all traces of old jointing materials prior
to reassembly. Do not use a tool which could
damage joint faces.
5.Inspect joint faces for scratches or burrs and
remove with a fine file or oil stone; do not allow
removed material or dirt to enter tapped holes or
enclosed parts.
6.Blow out any pipes, channels or crevices with
compressed air, fit new’O’rings or seals
displaced by air blast.FLEXIBLE HYDRAULIC PIPES, HOSES
1.Before removing any brake or power steering
hose, clean end fittings and area surrounding
them as thoroughly as possible.
2.Obtain appropriate plugs or caps before
detaching hose end fittings, so that ports can be
immediately covered to exclude dirt.
3.Clean hose externally and blow through with
airline. Examine carefully for cracks, separation
of plies, security of end fittings and external
damage. Reject any hose found faulty.
4.When refitting hose, ensure that no unnecessary
bends are introduced, and that hose is not
twisted before or during tightening of union nuts.
5.Containers for hydraulic fluid must be kept
absolutely clean.
6.Do not store brake fluid in an unsealed
container. It will absorb water, and fluid in this
condition would be dangerous to use due to a
lowering of its boiling point.
7.Do not allow brake fluid to be contaminated with
mineral oil, or use a container which has
previously contained mineral oil.
8.Do not re-use brake fluid bled from system.
9.Always use clean brake fluid to clean hydraulic
components.
10.Fit a cap to seal a hydraulic union and a plug to
its socket after removal to prevent ingress of dirt.
11.Absolute cleanliness must be observed with
hydraulic components at all times.
12.After any work on hydraulic systems, inspect
carefully for leaks underneath the vehicle while a
second operator applies maximum pressure to
the brakes (engine running) and operates the
steering.
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