2002 LAND ROVER DISCOVERY ECU

STEERING
57-40 REPAIRS
5. Models with A/C: Disconnect A/C compressor
multiplug. Remove 4 bolts securing A/C
compressor, release compressor and position
aside.
6.Remove 3 bolts securing PAS pump pulley and
remove pulley.
7.Position tray to catch spillage, release PAS
pump pressure pipe.
8.Remove clip and release PAS pump inlet hose.
CAUTION: Always fit plugs to open
connections to prevent contamination.9.Remove jockey pulley.
10.Remove bolt securing oil cooling pipe bracket
and release bracket from housing.
11.Remove two bolts securing PAS pump.
12.Remove 4 bolts and one nut securing auxiliary
housing. Pull housing forward and release
PAS pump. Remove PAS pump.

STEERING
REPAIRS 57-41
Refit
1.Position PAS pump to auxiliary housing and
locate housing to engine. Fit and tighten
auxiliary housing bolts to 40 Nm (30 lbf.ft).
2.Tighten auxiliary housing nut to 10 Nm (7 lbf.ft).
3.Fit bolts securing PAS pump and tighten to 22
Nm (16 lbf.ft).
4.Position PAS pump pipe bracket, fit and tighten
bolt to 22 Nm (16 lbf.ft).
5.Fit and tighten PAS pump pressure pipe.
6.Fit PAS pump inlet hose and secure with clip.
7.Position jockey pulley and tighten bolt to 50 Nm
(37 lbf.ft).
8.Clean PAS pump pulley mating faces.
9.Position PAS pump pulley, fit bolts and tighten
to 22 Nm (16 lbf.ft).
10. Models with ACE: Clean ACE pump dowels
and dowel holes. Position ACE pump, fit bolts
and tighten to 25 Nm (18 lbf.ft).
11. Models with A/C: Clean A/C compressor
dowels and dowel holes. Position A/C
compressor, fit bolts and tighten to 22 Nm (16
lbf.ft).
12.Position air intake hose and secure with clips.
13.Secure harness to air intake hose with new
cable tie.
14.Fit auxiliary drive belt.

+ CHARGING AND STARTING,
REPAIRS, Belt - auxiliary drive..
15.Bleed PAS system.

+ STEERING, ADJUSTMENTS,
Hydraulic system - bleed.
Pump - power steering - diesel
$% 57.20.14
Remove
1.Remove auxiliary drive belt.

+ CHARGING AND STARTING,
REPAIRS, Belt - auxiliary drive.
2.Remove 3 bolts securing PAS pump pulley and
remove pulley.
3.Position tray to catch spillage, release PAS
pump pressure pipe.
4.Remove clip and release PAS pump inlet hose.
CAUTION: Always fit plugs to open
connections to prevent contamination.
5.Remove 4 bolts and remove PAS pump.
6.Remove bolt, and remove mounting bracket
from PAS pump.
7.Remove 2 bolts, remove low pressure adaptor
pipe and discard 'O' ring.

STEERING
57-42 REPAIRS
Refit
1.Clean PAS pump and adaptor pipe.
2.Fit new 'O' ring to adaptor pipe, fit pipe and
tighten bolts to 10 Nm (7 lbf.ft).
3.Position mounting bracket to PAS pump, fit but
do not tighten bolt.
4.Position PAS pump and align pump drive to
coolant pump. Fit and tighten bolts to 25 Nm
(18 lbf.ft).
5.Tighten mounting plate bolt to 25 Nm (18 lbf.ft).
6.Clean PAS pump and pipe union.
7.Fit and tighten PAS pump pressure pipe to 20
Nm (15 lbf.ft).
8.Fit PAS pump inlet hose and secure with clip.
9.Clean PAS pump and pulley mating faces.
10.Position PAS pump pulley, fit and tighten bolts
to 10 Nm (7 lbf.ft).
11.Fit auxiliary drive belt.

+ CHARGING AND STARTING,
REPAIRS, Belt - auxiliary drive.
12.Bleed power steering system.

+ STEERING, ADJUSTMENTS,
Hydraulic system - bleed.
Steering column assembly and lock
$% 57.40.01
Remove
1.Remove steering column intermediate shaft.

+ STEERING, REPAIRS, Shaft -
intermediate and universal joint - steering
column.
2.Remove rotary coupler.

+ RESTRAINT SYSTEMS, REPAIRS,
Rotary coupler.
3.Open fascia lower access panel.
4.Remove steering column nacelle.

+ STEERING, REPAIRS, Nacelle -
steering column.
5.Disconnect multiplug and illumination bulb
from passive coil and remove passive coil.

STEERING
REPAIRS 57-43
6.Disconnect 2 multiplugs from wiper switch
assembly.
7.Disconnect 2 multiplugs from light switch
assembly.
8.Loosen screw and remove switch assembly.
9.Disconnect ignition switch multiplug. 10.Disconnect multiplug from ignition switch
housing.
11.Release harness from column clip.
12.Remove 4 nuts securing steering column
assembly to fascia rail and remove steering
column assembly.
13.Remove rubber boot from steering column
assembly.

STEERING
57-44 REPAIRS
14.Position steering column assembly in a vice.
15.Remove 2 screws and remove ignition switch.
16.Remove cable tie and remove multiplug from
ignition switch.
17.Centre punch or drill out steering lock shear
bolts.
18.Remove steering lock
Refit
1.Position lock to steering column assembly and
fit shear bolts. Do not tighten shear bolts at this
stage.
2.Insert starter key, check operation of steering
lock and that key turns freely.
3.Tighten shear bolts fully and shear heads off.
4.Position ignition switch to column, fit and
tighten screws.
5.Position multiplug to switch and secure with
new cable tie.
6.Fit rubber boot to column.
7.Remove column from vice.
8.Position steering to fascia rail fit nuts and
tighten to 22 Nm (16 lbf.ft).
9.Secure harness to column clip.
10.Position rubber grommet.
11.Close access panel and secure turn buckles.
12.Connect ignition switch multiplugs.
13.Position column switch and tighten clamp
screw.
14.Connect column switch multiplugs.
15.Position passive coil, connect multiplug and
illumination bulb.
16.Fit steering column nacelle.

+ STEERING, REPAIRS, Nacelle -
steering column.
17.Fit rotary coupler.

+ RESTRAINT SYSTEMS, REPAIRS,
Rotary coupler.
18.Close fascia lower access panel.
19.Fit steering column intermediate shaft.

+ STEERING, REPAIRS, Shaft -
intermediate and universal joint - steering
column.
Shaft - intermediate and universal joint -
steering column
$% 57.40.22
The intermediate shaft has a red indicator clip
fitted which must be inspected at service, and
after the vehicle has been subject to an impact.
If the clip is not present or is not fully seated
against the clamp plate, a new assembly must be
fitted.
Remove
1. LHD diesel: Loosen 2 clips securing
intercooler to turbocharger hose. Place hose
aside.

STEERING
REPAIRS 57-45
2.Remove bolt securing intermediate shaft to
steering column.
3.Remove bolt securing intermediate shaft to
universal joint.
4. Universal joint: Remove the bolt securing the
universal joint to the steering box.5.Ensure steering wheel is in the straight ahead
position and fit centralising bolt to steering box.
Remove the key from the ignition switch
CAUTION: Do not turn the steering wheel
with the intermediate shaft or universal joint
disconnected as damage to the rotary
coupler and the steering wheel switches
may occur.

STEERING
57-46 REPAIRS
6. Intermediate shaft: Slide the intermediate
shaft upwards, release from the universal joint
and remove intermediate shaft from the
steering column.
7. Universal joint: Slide the intermediate shaft
upwards, release from the universal joint and
remove universal joint from the steering box. Refit
1.Clean and inspect splines for wear and
damage.
2. Intermediate shaft: Locate intermediate shaft
on steering column and engage with universal
joint. Ensure splines are fully engaged and bolt
holes aligned.
3. Universal joint: Locate universal joint on
steering box and engage in intermediate shaft.
Ensure splines are fully engaged and bolt
holes aligned.
4.Fit bolts securing intermediate shaft to
universal joint and tighten to 25 Nm (18 lbf.ft).
5. Intermediate shaft: Fit bolts securing
intermediate shaft to steering column and
tighten to 25 Nm (18 lbf.ft).
6. Universal joint: Fit bolts securing universal
joint to steering box and tighten to 25 Nm (18
lbf.ft).
7. LHD diesel: Connect hose to turbocharger
and intercooler and secure the clips.
8.Fit ignition key, remove steering box
centralising bolt and check that steering wheel
is in the straight ahead position.

STEERING
REPAIRS 57-47
Nacelle - steering column
$% 57.40.29
Remove
1.Open fascia lower access panel.
2.Remove 3 screws securing steering column
nacelle halves together.
3.Release clips securing nacelle together and
remove from steering column.
Refit
1.Position nacelle to steering column and secure
with clips and screws.
2.Close fascia lower access panel.
Drop arm - steering box
$% 57.50.14
Remove
1.Remove steering box.
lFor V8 models:

+ STEERING, REPAIRS, Power
steering box - V8.
lFor LHD diesel models:

+ STEERING, REPAIRS, Power
steering box - LHD - diesel.
lFor RHD diesel models:

+ STEERING, REPAIRS, Steering
box - RHD - diesel.
2.Secure steering box in vice.
3.Release drop arm nut lock washer.
4.Loosen but do not remove nut securing drop
arm.
5.Using LRT-57-012 release drop arm.
6.Remove nut and lock washer.
7.Remove drop arm.
Refit
1.Clean drop arm and steering box splines.
2.Ensure steering box is in the central position.
Align and fit drop arm to output shaft and
secure with lock washer and nut. Tighten nut to
240 Nm (177 lbf.ft).
3.Secure lock washer to drop arm nut.
4.Fit steering box.
lFor V8 models:

+ STEERING, REPAIRS, Power
steering box - V8.
lFor LHD diesel models:

+ STEERING, REPAIRS, Power
steering box - LHD - diesel.
lFor RHD diesel models:

+ STEERING, REPAIRS, Steering
box - RHD - diesel.