Discovery 2. Manual — part 189
FRONT SUSPENSION
REPAIRS
60-39
ECU - ACE
$% 60.60.01
Remove
1. Remove 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 3 nuts securing ACE ECU and remove
ACE ECU.
Refit
1. Fit ACE 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.
5. If a replacement ACE ECU has been fitted, use
TestBook to calibrate ACE system.
FRONT SUSPENSION
60-40
REPAIRS
Accelerometer - ACE - upper
$% 60.60.02
CAUTION: The accelerometer is an extremely
delicate component and can easily be rendered
unserviceable. Never use an accelerometer
which has been dropped or subjected to
mistreatment of any type.
Remove
1. Remove front stowage pocket.
REPAIRS, Stowage pocket - front.
2. Disconnect multiplug from accelerometer.
3. Use LRT-60-014A to release clip and remove
accelerometer.
Refit
1. Using LRT-60-014A, fit accelerometer fully into
clip.
2. Connect accelerometer multiplug.
3. Fit front stowage pocket.
REPAIRS, Stowage pocket - front.
4. If a replacement accelerometer has been fitted,
use TestBook to calibrate ACE system.
Accelerometer - ACE - lower
$% 60.60.03
CAUTION: The accelerometer is an extremely
delicate component and can easily be rendered
unserviceable. Never use an accelerometer
which has been dropped or subjected to
mistreatment of any type.
Remove
1. Raise vehicle on a ramp.
2. Disconnect multiplug from accelerometer.
3. Use LRT-60-014A to release clip and remove
accelerometer.
Refit
1. Use LRT-60-014A, fit accelerometer fully into
clip.
2. Connect accelerometer multiplug.
3. Lower vehicle.
4. If a replacement accelerometer has been fitted,
use TestBook to calibrate ACE system.
FRONT SUSPENSION
REPAIRS
60-41
Pump - ACE - V8
$% 60.60.10
CAUTION: The ACE hydraulic system is
extremely sensitive to the ingress of dirt or
debris. The smallest amount could render the
system unserviceable. It is imperative that the
following precautions are taken.
l
ACE components are thoroughly cleaned
externally before work commences;
l
all opened pipe and module ports are
capped immediately;
l
all fluid is stored in and administered
through clean containers.
Remove
1. Remove auxiliary drive belt.
REPAIRS, Belt - auxiliary drive.
2. Loosen 3 clips securing air intake hose.
Release air intake hose and position aside.
Note: Pre 03 MY air intake hose illustrated.
3. Position container to catch spillage.
4. Release clip on pump suction hose and
disconnect hose.
CAUTION: Always fit plugs to open
connections to prevent contamination.
5. Remove banjo bolt and disconnect pressure
pipe from ACE pump. Discard sealing washers.
CAUTION: Always fit plugs to open
connections to prevent contamination.
6. Remove 3 bolts securing ACE pump to
mounting and remove ACE pump.
7. Restrain pulley, remove 3 securing bolts and
remove pulley from ACE pump.
FRONT SUSPENSION
60-42
REPAIRS
Refit
1. Clean mating faces of pulley and ACE pump.
2. Position pulley to ACE pump and fit bolts.
Restrain pulley and tighten bolts to 25 Nm (18
lbf.ft).
3. Clean mating faces of ACE pump and
mounting.
4. Connect suction hose to ACE pump and secure
with clip.
5. Ensure there is sufficient fluid in ACE/PAS
reservoir to prime ACE pump.
6. Position ACE pump below level of ACE/PAS
reservoir, with suction hose uppermost, and
allow fluid from ACE/PAS reservoir to
completely fill ACE pump.
7. Position ACE pump to mounting, fit bolts and
tighten to 25 Nm (18 lbf.ft).
8. Rotate ACE pump clockwise (viewed from
pulley end) until a steady flow of fluid runs from
outlet port.
9. Connect pressure pipe to ACE pump with banjo
bolt and new sealing washers. Tighten banjo
bolt to 28 Nm (21 lbf.ft).
10. Position air intake hose and secure clips.
11. Fit auxiliary drive belt.
REPAIRS, Belt - auxiliary drive.
12. Renew ACE high pressure filter.
Pump - ACE - diesel
$% 60.60.10
CAUTION: The ACE hydraulic system is
extremely sensitive to the ingress of dirt or
debris. The smallest amount could render the
system unserviceable. It is imperative that the
following precautions are taken.
l
ACE components are thoroughly cleaned
externally before work commences;
l
all opened pipe and module ports are
capped immediately;
l
all fluid is stored in and administered
through clean containers.
Remove
1. Remove auxiliary drive belt.
REPAIRS, Belt - auxiliary drive.
2. Disconnect multiplugs from mass air flow
sensor and ambient air pressure sensor.
3. Release clips and disconnect mass air flow
sensor from air cleaner.
4. Loosen hose clip, disconnect inlet air hose
from turbo charger and move hose aside.
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