1999 LAND ROVER DEFENDER brakes

MAINTENANCE
3
MAINTENANCE WIPERS AND WASHERS
1.Operate screen washer and switch on wipers.
Check washer jets are correctly aimed and
check for smooth smearless operation across
screen of wiper blades at all speeds, including
intermittent.
2.Repeat operation for rear screen
wipers/washers.
3.Check all wiper blades for condition and signs of
splits or damage.
4.Check security of wiper arms.HANDBRAKE
1.With the vehicle stationary, apply handbrake and
check for correct operation.See BRAKES,
Adjustment.
2.Release handbrake and check for correct
operation.
NOTE: Any adjustment required as a result
of the checking process will be subject to
additional labour and/or material cost and
should not be carried out without the
authorisation of the customer.
Adjust handbrake (First 12,000 miles/12 months
only
1.Adjust handbrake cable.See BRAKES,
Adjustment.
NOTE: Additional time is built into the first
12,000/12 months service time to allow for
handbrake cable adjustment.
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MAINTENANCE
11
MAINTENANCE BRAKE FLUID
1.Renew brake fluid.See BRAKES,
Adjustment.AIR FILTER ELEMENT AND DUMP VALVE
1.Replace air cleaner element.See FUEL
SYSTEM, Repair.
2.Remove all dirt from dump valve.
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51REAR AXLE AND FINAL DRIVE
2
REPAIR Refit
15.Position axle and fit lower links. Tighten fixings
to176 Nm (130 lbf/ft).
16.If applicable, fit anti-roll bar links to axleSee
REAR SUSPENSION, Repair. Anti-roll bar
links.
17.Raise axle and locate road springs.
18.Fit coil spring retaining plates and secure with
fixing bolts.
19.Secure pivot bracket ball joint to axle bracket.
Tighten fixing to176 Nm (130 lbf/ft).
20.Align propeller shaft to differential drive flange
and tighten fixings to47 Nm (35 lbf/ft).
21.Reconnect flexible brake hose and axle breather
hose.
22.Refit shock absorbers.
23.Fit road wheels and tighten 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)
24.Remove rear chassis support.
25.Bleed brake systemSee BRAKES, Repair.
brake system bleed.
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57STEERING
2
REPAIR 15.Remove brake servo.See BRAKES, Repair.
16.Release ABS modulator multiplug from side of
brake pedal box.
17.Release mat from underside of fascia to gain
access to brake pedal box mounting bolts.
18.Remove 6 bolts securing brake pedal box to
bulkhead.
19.Disconnect 2 brake pedal switch Lucars.
20.Carefully remove brake pedal box assembly and
collect gasket.
21.Remove bolt securing column upper tie bar to
column.
22.Remove 2 bolts securing upper column to lower
mounting bracket.
23.Remove 2 bolts securing 2 halves of column
upper clamp.
24.Remove 2 bolts securing column upper clamp to
mounting bracket.
25.Remove column upper clamp and collect rubber
packing.
26.Remove 2 bolts securing column upper
mounting bracket to bulkhead.
27.Release upper column from lower column and
manouvre mounting bracket and upper column
assembly from vehicle.
28.Remove mounting bracket from column.
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STEERING
3
REPAIR Refit
NOTE: The steering column is a
non-servicable component and can only
be serviced as a complete assembly.
29.Fit mounting bracket to column and manouvre
assembly into position.
NOTE: Ensure marks on upper and lower
columns are aligned.
30.Loosely fit bolts securing mounting bracket to
bulkhead.
31.Fit upper clamp and rubber packing to column.
32.Loosely fit bolts securing upper clamp to
mounting bracket.
33.Loosely fit bolts securing 2 halves of upper
clamp.
34.Loosely fit bolts securing column lower mounting
bracket.
35.Fit bolt securing upper tie bar to steering column
and tighten to22 Nm (16 lbf.ft).
36.Tighten mounting bracket to bulkhead bolts,
clamp bolts, and lower mounting bolts.
M6 bolts =9 Nm (6 lbf.ft)
M8 bolts =22 Nm (16 lbf.ft)
37.Manouvre brake pedal box assembly and NEW
gasket into position in vehicle.
38.Tighten bolts securing brake pedal box to
bulkhead to25 Nm (18 lbf.ft)
39.Connect brake pedal switch Lucars.
40.Reposition mat to underside of fascia.
41.Secure ABS modulator multiplug to side of brake
pedal box.
42.Fit brake servo.See BRAKES, Repair.
43.Fit ignition switch to steering column, ensuring
inner shaft slot aligns with steering lock plunger.
44.Evenly tighten clamp bolts, but DO NOT shear at
this stage.
45.Temporarily fit steering wheel and check for
correct operation of switch and lock.
46.Remove steering wheel.
47.Fully tighten ignition switch bolts until heads
shear.48.Connect Lucars to rear of ignition switch.
49.Fit passive coil to ignition switch and connect
multiplug.
50.Fit switch assembly to steering column and
tighten clamping screw.
51.Connect column switch multiplugs.
52.Fit instrument pack.See INSTRUMENTS,
Repair.
53.Fit steering column nacelle.See this Section.
54.Fit bolt securing upper column to lower column
universal joint and tighten to25 Nm (18 lbf.ft).
55.Fit air inlet pipe between turbo and inlet air filter
and secure with clips.
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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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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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BRAKES
1
DESCRIPTION AND OPERATION This page is intentionally left blank
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