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Land Rover Defender 1999 2002my Workshop Supplement Body Repair 3rd Edition Rover Manual

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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. 
    						
    							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. 
    						
    							70BRAKES
    4
    REPAIR MASTER CYLINDER
    Service repair no - 70.30.08
    Remove
    1.Disconnect battery negative lead.
    2.Place a container under the master cylinder to
    collect any brake 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.
    3.Clean area around master cylinder ports.
    4.Loosen 2 unions securing brake pipes to master
    cylinder ports.
    5.Disconnect both brake pipes from master
    cylinder. Cover, not plug, pipe ends to prevent
    entry of dirt.
    6.Disconnect 2 Lucars from reservoir cap.
    7.Remove 2 nuts securing master cylinder to
    brake servo.
    8.Withdraw master cylinder from servo and
    remove.
    Do not carry out further dismantling if
    component is removed for access only.9.Carefully ease reservoir from master cylinder by
    rolling it from seals.
    10.Remove seals from master cylinder.
    NOTE: Master cylinder to reservoir seals
    are different sizes.
    11.Fit NEW seals to master cylinder, ensuring seals
    are fitted to correct ports.
    12.Fit reservoir to master cylinder.
    Refit
    13.Ensuring that water ingress seal is in position, fit
    master cylinder to servo.
    14.Fit nuts securing master cylinder to servo and
    tighten to26 Nm (19 lbf.ft).
    15.Connect brake pipes to master cylinder and
    tighten unions to15 Nm (11 lbf.ft).
    16.Connect Lucars to reservoir cap.
    17.Fill reservoir with recommended brake fluid.See
    LUBRICANTS, FLUIDS AND CAPACITIES,
    Information.
    18.Bleed the brake system.See Adjustment.
    19.Reconnect battery negative lead. 
    						
    							BRAKES
    5
    REPAIR SERVO ASSEMBLY
    Service repair no - 70.50.01
    Remove
    Before starting, refer to general brake service
    practice.See Adjustment.
    NOTE: The non-return valve and grommet
    are the only serviceable components. In
    event of failure or damage, fit a new unit.
    1.Remove master cylinder.See this Section.
    2.Release vacuum hose from servo.
    3.Disconnect brake light switch Lucars.
    4.Remove 3 screws securing closing panel to
    lower’A’post.
    5.Release closing panel sufficient to gain access
    to brake pedal return springs.
    6.Release 2 brake pedal return springs from brake
    pedal.
    7.Remove blanking grommets from either side of
    pedal box.
    8.Remove split pin and clevis pin securing servo
    push rod to brake pedal.
    9.Remove 2 nuts securing servo to pedal box.
    10.Remove servo assembly and rubber washer
    from pedal box. 
    						
    							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. 
    						
    							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. 
    						
    							70BRAKES
    8
    REPAIR Refit
    14.Clean caliper to hub mating faces.
    15.Position caliper to hub, fit bolts and tighten to82
    Nm (60 lbf.ft).
    16.Remove plugs from pipe to caliper connections
    and wipe.
    17.Connect pipe to caliper, tighten union to15 Nm
    (11 lbf.ft).
    18.Apply a light film of grease to rear of brake pads.
    19.Fit pads to calipers.
    From 02MY, ensure pads are correctly fitted,
    with leading edge chamfer fitted as shown.
    20.Fit pad retainers and springs.
    21.Fit split pins to retainers.
    22.Remove brake hose clamp.
    23.Bleed brakes.See Adjustment.
    24.Depress brake pedal to seat pads onto discs.
    25.Fit road wheels, remove axle stands and tighten
    nuts to130 Nm (96 lbf.ft).BRAKE CALIPER - REAR
    Service repair no - 70.55.03
    Remove
    1.Loosen rear road wheel nuts.
    2.Raise rear of vehicle.
    WARNING: Support on safety stands.
    3.Remove road wheel.
    4.Remove split pins from brake pad retaining pins.
    5.Remove brake pad retaining pins.
    6.Remove brake pad retainer springs.
    7.Remove brake pads and shim if fitted.
    8.Position container beneath brake caliper to
    collect spillage.
    9.Loosen brake pipe union and disconnect from
    caliper.
    CAUTION: Plug the connections.
    10.Remove 2 bolts securing caliper.
    11.Remove brake caliper. 
    						
    							BRAKES
    9
    REPAIR Refit
    12.Clean caliper to axle bracket mating faces.
    13.Position caliper to axle bracket, fit bolts and
    tighten to82 Nm (60 lbf.ft).
    14.Remove plugs from pipe and caliper.
    15.Clean brake pipe union and caliper.
    16.Connect pipe to caliper, tighten union to15 Nm
    (11 lbf.ft).
    17.Apply a light film of grease to rear of brake pads.
    18.Fit brake pads.
    From 02MY, ensure shims are correctly fitted,
    see illustration.
    NOTE: Vehicles from 02MY have leading
    and trailing edge chamfers on rear pads.
    19.Fit pad retainer springs.
    20.Fit brake pad retaining pins and secure with new
    split pins.
    21.Bleed brakes.See Adjustment.
    22.Depress brake pedal to seat pads onto discs.
    23.Fit road wheels, remove axle stands and tighten
    nuts to130 Nm (96 lbf.ft).SWITCH - STOP LIGHT
    Service repair no - 70.35.42
    Remove
    1.Disconnect 2 Lucars from stop light switch.
    2.Remove mastic from around switch.
    3.Remove switch from pedal box.
    Refit
    4.Fit and tighten switch to pedal box.
    5.Apply mastic to switch.
    6.Connect 2 Lucars to switch. 
    						
    							70BRAKES
    10
    REPAIR FRONT BRAKE PADS - FROM 02MY
    Service repair no - 70.40.02
    Remove
    1.Remove front road wheels.
    2.Clean exterior of calipers.
    3.Remove split pin from retaining pins.
    4.Remove pad retaining pins and anti-rattle
    springs.
    5.Remove brake pads.
    6.Clean exposed parts of pistons, using new brake
    fluid. Wipe away excess with a lint free cloth.
    7.Using piston clampLRT-70-500press each
    piston back into its bore. Ensure that displaced
    brake fluid does not overflow from reservoir.
    Refit
    8.Fit brake pads.
    NOTE: Ensure pads are correctly fitted,
    with leading edge chamfer fitted as shown.
    9.Fit pad retaining pins and anti-rattle springs.
    Secure with new split pins. 
    						
    							BRAKES
    11
    REPAIR 10.Apply service brake pedal several times to locate
    pads.
    11.Fit road wheels, remove chassis stands and
    jack. Tighten wheel nuts to130 Nm (96 lbf/ft).
    12.Check fluid reservoir. Top up if necessary, using
    correct grade of fluid.See LUBRICANTS,
    FLUIDS AND CAPACITIES, Information.REAR BRAKE PADS - FROM 02MY
    Service repair no - 70.40.03
    Remove
    1.Remove rear road wheels.
    2.Clean exterior of calipers.
    90 Models
    110/130 Models
    3.Remove pad retaining pins and anti-rattle
    springs. Note differences between 90 and
    110/130 models.
    4.Remove brake pads and shims. 
    						
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