1999 LAND ROVER DEFENDER brake pads

10 - MAINTENANCE
CONTENTS
Page
MAINTENANCE
UNDERBONNET VIEW - Td5 1..............................................................................
SEATS AND SEAT BELTS 2..................................................................................
LAMPS, HORNS AND WARNING INDICATORS 2................................................
WIPERS AND WASHERS 3...................................................................................
HANDBRAKE 3.......................................................................................................
BATTERY CONDITION - Td5 4..............................................................................
HANDSET BATTERY 5...........................................................................................
HEADLAMP ALIGNMENT 5....................................................................................
ROAD WHEELS 6...................................................................................................
TYRE PRESSURES, CONDITION AND TREAD DEPTH 6....................................
BRAKE PADS, CALIPERS AND DISCS 7..............................................................
ROAD WHEEL SPEED SENSOR HARNESS - Td5 7............................................
FUEL FILTER ELEMENT 8.....................................................................................
FUEL FILTER SEDIMENTER - Td5 8.....................................................................
INTERCOOLER / COOLING SYSTEM 9................................................................
AMBIENT AIR PRESSURE (AAP) SENSOR - Td5 9..............................................
DOOR LOCKS AND HINGES 10............................................................................
ENGINE COOLANT 10...........................................................................................
BRAKE FLUID 11....................................................................................................
AIR FILTER ELEMENT AND DUMP VALVE 11.....................................................
AUXILIARY DRIVE BELT 12...................................................................................
PAS FLUID, CLUTCH FLUID AND SCREEN WASHER LEVELS 12.....................
STEERING BOX 13................................................................................................
ENGINE OIL 14.......................................................................................................
CENTRIFUGE ROTOR - Td5 14.............................................................................
FULL FLOW OIL FILTER 15...................................................................................
GEARBOX OIL 15...................................................................................................
TRANSFER BOX OIL 16.........................................................................................
FRONT AND REAR AXLE OIL 17..........................................................................
PROPELLER SHAFTS 18.......................................................................................
CLUTCH PIPES AND UNIONS 18..........................................................................
PAS PIPES AND UNIONS 19.................................................................................
ENGINE, GEARBOX, TRANSFER BOX AND AXLES 19.......................................
EXHAUST SYSTEM 20...........................................................................................
STEERING BOX AND SUSPENSION 20...............................................................
STEERING BALL JOINTS 21.................................................................................
SHOCK ABSORBERS 22.......................................................................................
TOWING BRACKET 22...........................................................................................
ENGINE AND TRANSMISSION MOUNTINGS 23..................................................
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MAINTENANCE
7
MAINTENANCE BRAKE PADS, CALIPERS AND DISCS
1.With front road wheels removed, check brake
pad thickness and ensure that both pads are
wearing evenly.
2.Check brake discs for signs of cracking,
excessive scoring or oil contamination.
NOTE: Any requirement to replace brake
pads or brake disc should be advised to
the customer as this will incur additional
labour and/or material cost and should not be
carried out without the authorisation of the
customer.
3.Check for any signs of brake fluid leakage from
caliper seals, hoses or unions.
4.Using brake cleaner, remove excessive deposits
of brake dust from pads, calipers and disc
shields.ROAD WHEEL SPEED SENSOR HARNESS - Td5
1.Check each sensor harness is correctly and
securely routed.
2.Inspect each harness for chafing or damage.
NOTE: Any requirement to replace a road
wheel speed sensor should be advised to
the customer as this will incur additional
labour and/or material cost and should not be
carried out without the authorisation of the
customer.
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51REAR AXLE AND FINAL DRIVE
4
REPAIR Refit
10.Clean stub axle.
11.Fit hub assembly to stub axle.
12.Fit spacing washer.
13.Fit hub adjusting nut. Tighten to50 Nm (37
lbf/ft).Ensure hub is free to rotate with no
bearing play. Back off adjusting nut 90°and
tighten to10 Nm (7 lbf/ft).
14.Fit a new lock washer.
15.Fit locknut. Tighten to50 Nm (37 lbf/ft).
16.Tab over lock washer to secure adjusting nut
and locknut.
17.Using a new joint washer fit axle shaft to hub.
Tighten bolts to65 Nm (48 lbf/ft).
18.Fit brake caliper. Tighten bolts to82 Nm (61
lbf/ft).Secure brake pipes to axle casing.
19.Fit road wheel, remove axle stands and tighten
road wheel nuts to correct torque:
Alloy wheels -130 Nm (96 lbf/ft)
Steel wheels -100 Nm (80 lbf/ft)
Heavy duty wheels -170 Nm (125 lbf/ft)
20.Operate foot brake to locate brake pads before
driving vehicle.
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60FRONT SUSPENSION
2
REPAIR 12.Knock back staking and using a suitable socket,
remove and discard hub nut.
13.Remove washer from hub.
14.Remove hub and brake disc assembly complete
with bearings.
15.Remove outer bearing and spacer from hub.
16.Remove grease seal and inner bearing from
hub.
17.Remove inner and outer bearing tracks from
hub.
Refit
18.Clean hub and bearing locations.
19.Fit inner and outer bearing tracks to hub.
20.Pack inner bearing with grease and fit to hub.
21.Fit new seal flush with rear face of hub using
LRT-54-003andLRT-99-003.
22.Clean stub axle.
23.Pack outer bearing with grease, fit spacer and
bearing to hub.
24.PositionLRT-54-019over hub nut threads on
axle casing.
25.Fit hub assembly to stub axle, remove
LRT-54-019.
26.Fit washer and new hub nut and tighten to30
Nm (22 lbf.ft).
27.Rotate and push/pull hub to setle bearings.
Tighten hub nut to210 Nm (150 lbf.ft).
28.To check drive shaft end float, mount a dial
gauge using bracketLRT-99-503to driving
member bolt hole.
29.Ensure dial gauge is contacting hub nut face.
30.Move drive shaft in and out noting dial gauge
reading.31.If end float is present refer to table for correct
spacer and change spacer as necessary.
32.When no end float is evident, remove the dial
gauge and mounting bracket.
33.Stake the hub nut.
34.Clean hub and axle shaft faces.
35.Fit new driving member gasket.
36.Position driving member to hub and tighten new
bolts to65 Nm (48 lbf.ft).
37.Fit original shim(s) to drive shaft and secure with
circlip.
38.Position brake caliper to hub, align fixings, fit
bolts and tighten to82 Nm (60 lbf.ft).
39.Remove plugs from brake pipe connections.
40.Connect brake pipe union to jump hose and
tighten union.
CAUTION: Use 2 spanners when
tightening or loosening unions.
41.Remove brake hose clamp from jump hose.
42.Bleed brake system.See BRAKES,
Adjustment.
43.Fit road wheel, remove axle stand and tighten
wheel nuts to130 Nm (95 lbf.ft).
44.Operate foot brake to locate brake pads before
taking vehicle on road.
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64REAR SUSPENSION
2
REPAIR 25.If end float is present refer to table for correct
spacer and change spacer as necessary.
26.When no end float is evident, remove the dial
gauge and mounting bracket.
27.Stake the hub nut.
28.Clean hub and axle shaft faces.
29.Fit new driving member gasket.
30.Position driving member to hub and tighten new
bolts to65 Nm (48 lbf.ft).
31.Fit original shim(s) to drive shaft and secure with
circlip.
32.Position caliper to hub, fit bolts and tighten to82
Nm (61 lbf.ft).
33.Fit road wheel, remove axle stands and tighten
road wheel nuts to130 Nm (96 lbf.ft).
34.Operate brake pedal to locate brake pads before
driving vehicle.
35.Check and top up brake fluid.
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70 - BRAKES
CONTENTS
Page
DESCRIPTION AND OPERATION
REAR BRAKE CALIPERS - FROM 02MY 2...........................................................
ADJUSTMENT
BRAKE SYSTEM BLEED 1.....................................................................................
PARK BRAKE - ADJUST 2.....................................................................................
REPAIR
ECU - ABS 1...........................................................................................................
SENSOR - ABS - FRONT WHEEL 2......................................................................
SENSORS - ABS - REAR WHEELS 3....................................................................
MASTER CYLINDER 4...........................................................................................
SERVO ASSEMBLY 5............................................................................................
MODULATOR UNIT - ABS 6...................................................................................
BRAKE CALIPER - FRONT 7.................................................................................
BRAKE CALIPER - REAR 8....................................................................................
SWITCH - STOP LIGHT 9.......................................................................................
FRONT BRAKE PADS - FROM 02MY 10...............................................................
REAR BRAKE PADS - FROM 02MY 11.................................................................
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70BRAKES
2
DESCRIPTION AND OPERATION REAR BRAKE CALIPERS - FROM 02MY
1.Deflector
2.Rear brake caliper
3.Rear brake pads
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BRAKES
3
DESCRIPTION AND OPERATION Modifications to the rear brakes have been introduced on 110 and 130 models. This is to increase the service life
of the rear brake pads in harsh environments.
New rear brake calipers are introduced which allow the fitment of brake pads with a thicker friction material. The
brake pads have increased leading and trailing edge chamfers which improve efficiency.
Aerodynamic deflectors are located forward of the rear wheels to protect the rear calipers from the ingress of dirt,
which can cause excessive pad wear. The deflectors are manufactured from moulded rubber and are flexible to
prevent damage from impact. These deflectors are fitted to 90, 110 and 130 models in markets where
environmental conditions cause excessive brake pad wear.
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