Defender 90 NAS. Manual — part 57
STEERING
3
REPAIR
POWER STEERING FLUID RESERVOIR
Service repair no - 57.15.08
Remove
1. Position container to collect any fluid spillage.
2. Loosen mounting bracket clamp bolt.
3. Raise reservoir from mounting bracket to gain
access to hose clips.
4. Loosen 2 clips securing hoses to fluid reservoir.
5. Disconnect hoses from fluid reservoir.
CAUTION: Plug the connections.
6. Remove reservoir.
CAUTION: Discard fluid drained from
system. Do not allow fluid to contact paint
work. If spilled, remove fluid and clean
area with warm water.
Refit
7. Position fluid reservoir and connect hoses.
8. Tighten clips securing hoses to fluid reservoir.
9. Fit reservoir to mounting bracket and tighten
clamp bolt to
3 Nm, 2 lbf ft.
10. Bleed power steering system.
See power
steering system - bleed
11. Remove container.
POWER STEERING PUMP
Service repair no - 57.20.14
Remove
1. Disconnect battery negative lead.
2. Remove drive belt.
See ELECTRICAL, Repair,
Auxiliary drive belt
3. Position container to collect any fluid spillage.
4. Using an Allen key to restrain PAS pump pulley,
remove 3 bolts securing pulley to pump.
5. Remove PAS pump pulley.
57
STEERING
4
REPAIR
6. Loosen clip securing PAS hose to pump.
7. Disconnect hose from pump.
8. Loosen union securing PAS pipe to pump.
9. Disconnect PAS pipe from pump.
CAUTION: Plug the connections.
10. Remove 3 bolts securing PAS pump to engine.
11. Remove PAS pump and collect engine lifting
bracket.
Do not carry out further dismantling if component
is removed for access only.
12. Remove 5 bolts securing clamping bracket to
pump.
13. Remove clamping bracket from pump and fit to
new pump.
14. Tighten bolts securing clamping bracket to pump
to
9 Nm, 7 lbf ft.
Refit
15. Clean mating faces of PAS pump and engine.
16. Fit PAS pump and engine lifting bracket to
engine.
17. Fit and tighten bolts securing PAS pump to
engine to
35 Nm, 26 lbf ft.
18. Remove plugs.
19. Connect PAS pipe to pump and tighten union to
20 Nm, 15 lbf ft.
20. Connect PAS hose to pump and secure with clip.
21. Position pulley to PAS pump.
22. Coat threads of PAS pump pulley bolts with
Loctite 242.
23. Restrain pulley using Allen key and tighten bolts
to
10 Nm, 7 lbf ft.
24. Fit drive belt.
See ELECTRICAL, Repair,
Auxiliary drive belt
25. Reconnect battery negative lead.
26. Bleed power steering system.
See Adjustment,
power steering system - bleed
27. Remove container.
STEERING
5
REPAIR
STEERING COLUMN
Service repair no - 57.40.01
Remove
1. Loosen clip securing air inlet hose to MAF
sensor.
2. Loosen clip securing air inlet hose to plenum
chamber.
3. Remove air inlet hose.
4. Mark relationship of top universal joint to
steering column and shaft.
5. Remove 2 bolts from top universal joint.
6. Remove steering shaft top universal joint.
7. Remove centre pad from steering wheel.
8. Remove nut securing steering wheel to column
and collect washer.
9. Using tools LRT-57-014 and LRT-57-015,
remove steering wheel from column.
10. Disconnect battery negative lead.
11. Remove instrument panel.
See
INSTRUMENTS, Repair, instrument panel
12. Remove 7 screws securing nacelle to steering
column.
13. Remove top half of nacelle.
14. Release bottom half of nacelle from indicator
and light stalk grommets and remove.
15. Remove bolt securing steering column to upper
mounting bracket.
57
STEERING
6
REPAIR
16. Remove 2 lower bolts securing steering column
to body.
17. Remove 2 upper clamping bolts and collect
clamp and rubber.
18. Release harness from clip on column upper
mounting bracket.
19. Release clip from column upper mounting
bracket.
20. Remove 4 bolts securing column upper
mounting bracket.
21. Remove upper mounting bracket.
22. Disconnect 3 multiplugs from rear of switch
pack.
23. Loosen screw and remove switch pack.
24. Disconnect multiplug and 6 Lucars from ignition
switch.
NOTE: Note the positions of the Lucar
connections to the ignition switch.
25. Drill out 2 shear bolts securing ignition barrel to
steering column.
26. Remove ignition barrel and collect washers.
27. Remove brake pedal.
See BRAKES, Repair,
brake pedal
28. Remove steering column and upper mounting
bracket from vehicle.
NOTE: The steering column is a non
serviceable component and can only be
replaced as a complete assembly.
Refit
29. Manoeuvre steering column into position in
vehicle.
30. Fit brake pedal.
See BRAKES, Repair, brake
pedal
31. Position ignition barrel to steering column and
rotate inner shaft to line up slot with barrel
plunger.
32. Position barrel clamp to steering column and
secure with shear bolts. Evenly tighten bolts, but
do not shear them.
33. Temporarily fit steering wheel and operate
switch and lock mechanism several times to
ensure it functions correctly.
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