Discovery 2. Manual — part 205

REAR SUSPENSION

REPAIRS

64-39

Actuator - rear - ACE

$% 64.60.40

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.

Models with SLS:

WARNING: Ensure the air suspension system is
made safe before commencing work. Otherwise
the chassis may lower onto the bump stops
during repair.

Remove

1. Raise vehicle on ramp.

2. Remove nuts securing anti-roll bar links to

axle. Release links from axle.

3. Pull torsion bar down for access to actuator.

4. Remove nut securing anti-roll bar link to long

arm and remove link.

5. Position container to collect fluid spillage.

6. Remove cap nuts securing fluid pipes to

actuator. Disconnect pipes and remove and
discard sealing washers.

CAUTION: Always fit plugs to open
connections to prevent contamination.

REAR SUSPENSION

64-40

REPAIRS

7. Use LRT-60-009 to remove nut securing

actuator push rod to long arm.

8. Remove nut and bolt securing actuator to short

arm and remove actuator.

CAUTION: The short arm and torsion bar
are supplied as an assembly and must not
be separated.

Refit

1. Position actuator and tighten nut and bolt

securing actuator to short arm to 180 Nm (133
lbf.ft).

2. Using LRT-60-009 , fit and tighten nut securing

actuator push rod to long arm to 48 Nm (35
lbf.ft).

3. Connect pipes to actuator with cap nuts and

new sealing washers. Tighten cap nuts to 29
Nm (21 lbf.ft). Ensure pipes are not under
tension or kinked.

4. Connect anti-roll bar link to long arm and

tighten nut to 50 Nm (37 lbf.ft).

5. Ensure washer is in place on lower ball joint of

each anti-roll bar link and connect lower ball
joints to axle. Tighten nuts to 100 Nm (74 lbf.ft).

6. Renew ACE high pressure filter.

+

FRONT SUSPENSION, REPAIRS,

Filter - high pressure - ACE.

7. Lower vehicle.
8. Bleed ACE hydraulic system.

+

FRONT SUSPENSION,

ADJUSTMENTS, ACE hydraulic system
bleeding.

REAR SUSPENSION

REPAIRS

64-41

Bushes - rear long arm - ACE

$% 64.60.46

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.

Models with SLS:

WARNING: Ensure the air suspension system is
made safe before commencing work. Otherwise
the chassis may lower onto the bump stops
during repair.

Remove

1. Raise vehicle on ramp.

2. Remove nuts securing anti-roll bar links to axle.

Release links from axle.

3. Pull torsion bar down for access to actuator.

4. Remove securing nuts and remove anti-roll bar

links from torsion bar.

5. Position container to collect fluid spillage.

6. Remove cap nuts securing fluid pipes to

actuator. Disconnect pipes and remove and
discard sealing washers.

CAUTION: Always fit plugs to open
connections to prevent contamination.

7. With assistance, remove bolts securing torsion

bar clamps. Remove clamps and remove
torsion bar and actuator.

REAR SUSPENSION

64-42

REPAIRS

8. Use LRT-60-009 to remove nut securing

actuator push rod to long arm.

9. Remove nut and bolt securing actuator to short

arm and remove actuator.

10. Restrain torsion bar and remove long arm

securing bolt and washer. Remove long arm
from torsion bar.

CAUTION: The short arm and torsion bar
are supplied as an assembly and must not
be separated.

11. Use a suitable drift to remove both halves of

slipper bush from long arm.

12. Use suitable adaptors to press actuator rod end

bush from long arm.