1999 LAND ROVER DEFENDER ABS

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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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
REPAIR ECU - ABS
Service repair no - 70.65.01
Remove
1.Disconnect battery negative lead.
2.Release and remove passenger seat base.
3.Release clip securing ECU cover plate.
4.Remove ECU cover plate.
5.Disconnect 3 multiplugs from ABS ECU.
6.Disconnect 2 multiplugs from engine
management ECU.
7.Release seat base carpet to gain access to ECU
mounting plate Torx screws.
8.Remove 2 Torx screws securing front edge of
ECU mounting plate.
9.Remove nut securing rear edge of ECU
mounting plate.
10.Remove mounting plate and ECU assembly from
seat base.
11.Remove 3 bolts securing ABS ECU to mounting
plate.
12.Remove ABS ECU.
Refit
13.Position ABS ECU to mounting plate and secure
with bolts.
14.Fit mounting plate and ECU assembly to seat
base.
15.Fit Torx screws and nut securing mounting plate
to seat base.
16.Re-position carpet.
17.Connect multiplugs to ABS and engine
management ECU’s.
18.Fit ECU cover plate to seat base and secure in
position with clip.
19.Fit passenger seat base.
20.Reconnect battery negative lead.
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70BRAKES
2
REPAIR SENSOR - ABS - FRONT WHEEL
Service repair no - 70.65.30
Remove
1.Raise vehicle on a 2 post ramp.
2.Carefully prize ABS sensor from front hub.
3.Release clip securing ABS sensor harness to
brake pipe.
4.Release clip securing ABS sensor harness to
inner wing.
5.Lower vehicle.
6.Release second clip securing ABS harness to
inner wing.
7.Disconnect sensor harness multiplug.
8.Remove sensor and harness.
Refit
9.Connect sensor harness multiplug.
10.Position sensor harness and secure to inner
wing with clip.
11.Raise vehicle.
12.Secure harness to inner wing and brake pipe
with clips.
13.Apply grease to sensor.
14.Carefully fit sensor to hub assembly.
15.Lower vehicle.
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BRAKES
3
REPAIR SENSORS - ABS - REAR WHEELS
Service repair no - 70.65.31
Remove
1.Raise vehicle on a 2 post ramp.
2.Remove both rear wheels.
3.Remove 3 bolts securing each brake disc
backplate to hub assemblies.
4.Remove both back plates.
5.Remove 2 cable ties securing sensor harness to
outer ends of axle.
6.Carefully prise both sensors from hub
assemblies.
7.Release 4 clips securing sensor harness to axle.
8.Release cable tie securing harness to
differential.
9.Release 3 cable ties securing harness to chassis
longitudinal.
10.Disconnect sensor multiplug.
11.Remove harness and sensor assembly.
Refit
12.Position harness and sensor assembly to vehicle
and connect multiplug.
13.Apply grease to both sensors.
14.Carefully fit both sensors to hub assemblies.
15.Secure harness to axle and differential with
cable ties.
16.Secure harness to axle with clips.
17.Secure harness to chassis with cable ties.
18.Fit both back plates to hub assemblies and
secure with bolts.
19.Fit rear wheels and tighten to130 Nm (95 lbf.ft)
.
20.Lower vehicle.
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70BRAKES
6
REPAIR Refit
11.Fit rubber washer and servo assembly to pedal
box.
12.Fit nuts securing servo to pedal box and tighten
to14 Nm. (10 lbf.ft)
13.Position brake pedal to servo push rod.
14.Fit clevis pin and NEW split pin to secure brake
pedal to servo push rod.
15.Fit blanking grommets to each side of pedal box.
16.Attach pedal return springs to brake pedal.
17.Position closing panel and tighten screws to
lower’A’post.
18.Connect vacuum hose to servo.
19.Connect brake switch Lucars.
20.Fit brake master cylinder.See this Section.MODULATOR UNIT - ABS
Service repair no - 70.65.49
Remove
1.Position cloth under modulator to absorb any
fluid spillage.
CAUTION: Do not allow brake fluid to
contact paint finished surfaces as paint
may be damaged. If spilled, remove fluid
and clean area with clean warm water.
2.Disconnect 2 inlet brake pipe unions from pump
side of modulator.
3.Disconnect 4 outlet brake pipe unions from top
of modulator.
CAUTION: Plug the connections.
4.Disconnect 2 multiplugs from rear of modulator.
5.Loosen nut securing rear of modulator to
mounting bracket.
6.Remove 2 nuts securing front of modulator to
mounting bracket.
7.Release modulator from mounting bracket.
8.Disconnect multiplug from base of modulator.
9.Remove modulator.
Do not carry out further dismantling if
component is removed for access only.
10.Remove 3 mounting rubbers from old modulator
and fit to new.
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BRAKES
7
REPAIR Refit
11.Position modulator to mounting bracket and
connect multiplug.
12.Fit modulator to mounting bracket and tighten
nuts to9 Nm (7 lbf.ft).
13.Connect 2 multiplugs to rear of modulator.
14.Remove plugs from brake pipes and modulator.
15.Clean brake pipe unions.
16.Connect brake pipe unions to modulator
ensuring pipes are connected to their correct
ports.
17.Tighten all unions to14 Nm (10 lbf.ft).
18.Bleed brake system.See Adjustment.
NOTE: To ensure correct operation, the
ABS system MUST be tested using
TestBook.BRAKE CALIPER - FRONT
Service repair no - 70.55.02
Remove
1.Loosen front road wheel nuts.
2.Raise front of vehicle.
WARNING: Support on safety stands.
3.Remove road wheel.
4.Remove split pins from pad retaining pins.
5.Remove brake pad retainers and springs.
6.Remove brake pads and shim if fitted.
7.Pull back brake hose shield.
8.Clamp brake hose using a suitable clamp.
9.Position container beneath brake caliper to
collect spillage.
10.Loosen brake pipe union and disconnect from
caliper.
11.Plug brake pipe and caliper connections.
12.Remove 2 bolts securing caliper.
13.Remove brake caliper.
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76CHASSIS AND BODY
28
REPAIR
11.Remove 5 screws securing crash pad and
remove pad.
12.Remove 5 screws and release fascia console.
13.Disconnect Lucar connection and multiplug from
cigar lighter.
14.Disconnect multiplugs from remaining switches
and remove console.
15.Remove operating knob from light switch.
16.Remove nut securing light switch and remove
switch from console.
17.Release cigar lighter body and remove from
console.
18.Remove switches from console.
19.Release tabs and remove radio mounting
bracket.
Refit
20.Fit radio bracket and secure with tabs.
21.Fit and secure cigar lighter body to console.
22.Fit light switch and secure with nut.
23.Fit operating knob to switch.
24.Fit remaining switches to console.
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