1999 LAND ROVER DISCOVERY ECU

BRAKES
70-36 REPAIRS
Cable - handbrake
$% 70.35.25
Remove
1.Remove centre console.

+ INTERIOR TRIM COMPONENTS,
REPAIRS, Console - centre - automatic
models.

+ INTERIOR TRIM COMPONENTS,
REPAIRS, Console - centre - manual
models.
2.Remove clip and clevis pin securing cable to
hand brake lever.
3.Remove brake shoes from hand brake
assembly.

+ BRAKES, REPAIRS, Brake shoes -
handbrake.
4.From below the vehicle, pull handbrake cable
through transmission tunnel.
5.Release handbrake cable from backplate. Refit
1.Fit and secure handbrake cable to backplate.
2.Position hand brake cable through
transmission tunnel.
3.Fit brake shoes to hand brake assembly.

+ BRAKES, REPAIRS, Brake shoes -
handbrake.
4.Align cable to hand brake lever and secure with
clip and clevis pin.
5.Fit centre console.

+ INTERIOR TRIM COMPONENTS,
REPAIRS, Console - centre - automatic
models.

+ INTERIOR TRIM COMPONENTS,
REPAIRS, Console - centre - manual
models.
6.Adjust handbrake.

+ BRAKES, ADJUSTMENTS,
Handbrake.

BRAKES
REPAIRS 70-37
Switch - brake light
$% 70.35.42
The brake switch is set automatically during fitment.
If the setting is disturbed, the switch can be reset by
depressing the brake pedal and pulling the plunger
out of the switch body, until it contacts the pedal.
Remove
1.Remove 3 fasteners and move drivers side
lower closing panel aside.
2.Disconnect multiplug from brake light switch.
3.Remove brake light switch from pedal bracket.
Refit
1.Engage switch fully into pedal bracket location
and connect multiplug.
2.Position lower closing panel and secure with
fasteners.

BRAKES
70-40 REPAIRS
Brake shoes - handbrake
$% 70.45.18
Remove
1.Remove rear propeller shaft.

+ PROPELLER SHAFTS, REPAIRS,
Propeller shaft - rear.
2.Remove screw and remove brake drum. 3.Remove 2 washers, springs and pins retaining
brake shoes to back plate.
4.Release return springs and remove brake
shoe.
5.Remove retaining spring securing abutment
lever to back plate.
6.Release remaining brake shoe from brake
cable, remove brake shoe and collect return
springs.
7.Remove adjuster plungers.
8.Remove 'C' clip securing cable lever to brake
shoe. Remove flat washer, lever, 2 Belleville
washers and pivot pin.

BRAKES
REPAIRS 70-41
Refit
1.Clean components with brake cleaning fluid.
WARNING: Do not use compressed air to
clean brake components. Dust from friction
materials can be harmful if inhaled.
2.Lubricate cable lever pivot pin.
3.Fit pivot pin to shoe, fit cable lever washers and
secure with 'C' clip.
4.Fit adjuster plungers.
5.Fit shoe to brake cable, align to back plate and
adjuster. Secure shoe to back plate with pin,
spring and washer.
6.Fit abutment plate to brake shoe.
7.Fit return springs with remaining shoe. Secure
shoe to back plate with pin, spring and washer.
8.Fit abutment plate retaining spring.
9.Clean brake drum and mating face.
10.Position brake drum and tighten retaining
screw.
11.Fit rear propeller shaft.

+ PROPELLER SHAFTS, REPAIRS,
Propeller shaft - rear.
12.Adjust handbrake.

+ BRAKES, ADJUSTMENTS,
Handbrake.

BRAKES
70-42 REPAIRS
Servo - brake
$% 70.50.01
Remove
1.Remove brake master cylinder.

+ BRAKES, REPAIRS, Master cylinder
- brake.
2.Disconnect vacuum pipe from servo.
3.Release spring clip securing servo push-rod to
brake pedal and release pedal.
4.Remove 2 flanged nuts securing servo to
bulkhead.
5.Remove brake servo. Refit
1.Clean servo and mating faces,
2.Position servo and tighten nuts to 25 Nm (18
lbf. ft).
3.Position brake pedal to servo push-rod and
secure with spring clip.
4.Connect vacuum pipe to servo.
5.Fit brake master cylinder.
+ BRAKES, REPAIRS, Master cylinder
- brake.

BRAKES
REPAIRS 70-43
Vacuum pump - servo
$% 70.50.19
Remove
1.Remove auxiliary drive belt.

+ CHARGING AND STARTING,
REPAIRS, Belt - auxiliary drive.
2.Release cover and remove nut securing lead
to alternator.
3.Disconnect alternator multiplug.
4.Remove bolt (LH thread) and remove auxiliary
drive belt tensioner. 5.Remove bolt securing support stay to
alternator.
6.Release clip and disconnect oil drain hose from
vacuum pump.
7.Disconnect vacuum pump oil supply pipe from
cylinder head and discard 'O' ring.
8.Remove bolt securing alternator and release
from mounting bracket.
9.Disconnect vacuum hose from vacuum pump.
10.Remove alternator. Take care not to damage
radiator cooling fins.
11.Remove 4 bolts, and remove vacuum pump
from alternator.
CAUTION: Always fit plugs to open
connections to prevent contamination.

BRAKES
70-44 REPAIRS
Refit
1.Clean mating faces of alternator and vacuum
pump.
2.Fit vacuum pump to alternator and tighten
bolts to 8 Nm (6 lbf.ft).
3.Position alternator to engine and connect
multiplug.
4.Connect vacuum hose and oil drain hose to
vacuum pump and secure clips.
5.With assistance align alternator to mounting
bracket and fit but do not tighten bolt.
6.Fit bolt securing support stay to alternator and
tighten to 25 Nm (18 lbf.ft) .
7.Tighten bolt securing alternator to mounting
bracket to 45 Nm (33 lbf.ft).
8.Using new 'O' ring, connect oil supply pipe to
cylinder head and tighten to 10 Nm (7 lbf.ft).
9.Connect lead to alternator and tighten nut to 6
Nm (4.4 lbf.ft).
10.Fit auxiliary drive belt tensioner and tighten bolt
to 50 Nm (37 lbf.ft).
11.Fit auxiliary drive belt.

+ CHARGING AND STARTING,
REPAIRS, Belt - auxiliary drive.

BRAKES
REPAIRS 70-47
ECU - Self levelling and anti locking
brakes (SLABS)
$% 70.65.01
Remove
1.Remove BCU.

+ BODY CONTROL UNIT, REPAIRS,
Body control unit (BCU).
2.Remove 5 multiplugs from SLABS ECU.
3.Remove multiplug from ACE ECU.
4.Remove lower nut and loosen upper nut
securing SLABS and ACE ECU bracket to
body.
5.Remove ECU's and bracket assembly. 6.Remove 4 nuts securing SLABS ECU and
remove ECU.
Refit
1.Fit new SLABS ECU to bracket and secure with
nuts.
2.Fit ECU's and bracket assembly to body and
secure with nuts.
3.Connect multiplugs to ACE ECU and SLABS
ECU.
4.Fit BCU.

+ BODY CONTROL UNIT, REPAIRS,
Body control unit (BCU).
5.Programme the new SLABS ECU using
TestBook.