1995 LAND ROVER DISCOVERY ECU

57STEERING
14
REPAIR Refit
20.Manoeuvre upper column to position in footwell,
ensure splines in column and universal joint are
correctly engaged and rubber boot is fitted.
21.Fit but do not tighten universal joint pinch bolt.
22.Position upper column to upper mounting, fit
washers and nuts, do not tighten nuts.
23.Fit but do not tighten nuts and bolts securing
upper column to lower mounting.
24.Fit lower mounting steady bracket, fit but do not
tighten nuts and bolts.
25.Ensure upper column is aligned to mountings.
26.Tighten all nuts and bolts to
22 Nm.
27.Tighten universal joint pinch bolt to25 Nm.
28.Connect column switch multiplug.
29.Connect ignition switch multiplugs.
30.Fit rotary coupler.
See SUPPLEMENTARY
RESTRAINT SYSTEM, Repair, Rotary
Coupler
31.Fit steering wheel.See Steering Wheel
32.Reconnect battery negative lead.
33.Check steering column lock for correct
operation, tighten shear bolts until heads shear
off.
34.If fitted - position knee bolster, fit and tighten
screws.
35.Fit steering column shroud.
See Steering
Column Shroud
36.Fit driver's access panel.

STEERING
15
REPAIR STEERING COLUMN LOCK ASSEMBLY
Service repair no - 57.40.31
Remove
CAUTION: Before removing any parts of
steering linkage, it is imperative that road
wheels are positioned straight ahead.
Then steering wheel removed to prevent rotary
coupler being wound up or damaged.
CAUTION: After refitting steering linkage
parts follow correct procedure to ensure
that road wheels, steering box and
steering wheel are correctly positioned relative to
each other when in straight ahead condition. If
steering wheel requires repositioning, ensure that
drive pegs on rotary coupler are correctly
positioned before steering wheel is replaced.
This ensures drive pegs locate in their holes in
rear of steering wheel.
After final alignment connect rotary coupler
multiplug, tighten steering wheel securing nut and
fit airbag module - if fitted.
1.Disconnect battery negative lead.
2.Remove steering column shroud.
See Steering
Column Shroud
3.Release turnbuckles, lower driver's access
panel.
4.If fitted, remove 4 screws securing knee pad,
remove bolster.
5.Disconnect ignition switch multiplug from fuse
box.
6.Disconnect ignition switch main feed multiplug.

57STEERING
16
REPAIR
7.Remove bulb holder from steering column lock
shroud.
8.Tap head of shear bolts anti-clockwise to release
them.
9.Remove and discard shear bolts.
10.Detach saddle.
11.Remove steering column lock assembly.
Refit
12.Position steering lock saddle on column, locating
spigot in hole provided.
13.Place lower lock assembly into column.
14.Fit but do not fully tighten new shear bolts.
15.Connect multiplugs.
16.Insert bulb holder into steering column lock
shroud.
17.Reconnect battery negative lead.
18.Check steering column lock for correct
operation, tighten shear bolts until heads shear
off.
19.Fit steering column shroud.
See Steering
Column Shroud
20.If fitted - fit knee bolster, fit and tighten screws.
21.Raise driver's access panel, secure turnbuckles.DROP ARM
Service repair no - 57.50.14
Remove
1.Place vehicle on a hoist, or support front axle on
axle stands.
2.Disconnect drag link ball joint from drop arm,
using extractor LRT-57-018.

STEERING
17
REPAIR 3.Bend back tabs on locking washer and remove
drop arm using extractor LRT-57-012. Loosen
drop arm securing nut, but do not remove before
using extractor.
4.Remove nut, discard locking washer.
Refit
5.Centralise steering box.
See Adjustment,
Centralise Steering Box
6.Fit drop arm, align master splines.
7.Fit a new tab washer and drop arm fixing nut.
Tighten to
176 Nm,bend over tab.
8.Fit drag link. Tighten ball joint nut
40 Nm.
STEERING DAMPER
Service repair no - 57.55.21
Remove
1.Site vehicle on a ramp [hoist].
2.Remove fixings at differential case bracket.
3.Remove fixings at track rod bracket.
4.Remove steering damper.
Refit
5.Reverse removal procedure. 1 to 4.

STEERING
1
OVERHAUL POWER STEERING BOX
Service repair no - 57.10.07
Overhaul
NOTE: Overhaul of steering box should
not be carried out during the warranty
period.
WARNING: Wear safety glasses while
removing and refitting circlips and
retaining ring.
CAUTION: Absolute cleanliness is
essential when overhauling power steering
box.
1.Remove steering box from vehicle.See Repair,
Power Steering Box
Remove drop arm using extractor LRT-57-012.
Loosen drop arm securing nut, but do not
remove before using extractor. Remove dirt
excluder from output shaft.
2.Drain oil, remove blanking plugs and bleed
screw. Hold steering box over suitable container,
turn input shaft from lock to lock, until oil is
drained. Refit bleed screw.
3.Rotate retainer ring until one end is 12 mm from
extractor hole. Using a drift through hole in
cylinder, lift retaining ring from groove in cylinder
bore.
4.Remove retainer ring, using a screwdriver.
5.Turn input shaft (left lock on left hand drive, right
lock on right hand drive) until piston pushes out
cover. Turn input shaft fully in opposite direction,
applying pressure to piston.
6.Remove set screw retaining rack pad adjuster.
7.Remove rack adjuster and pad.
8.Remove sector shaft adjuster locknut.
9.Remove four bolts from sector shaft cover.
10.Screw in sector shaft adjuster until cover is
removed.
NOTE: Sealant is applied to hexagon
socket to 'tamperproof' sector shaft
adjuster
11.Slide out sector shaft.

STEERING
9
OVERHAUL Input shaft oil seal
92.Fit seal, lip side first, into housing. Use seal
saver LRT-57-016 and seal installer
LRT-57-026. Note that seal is fitted to a depth of
4.75 - 5.00 mm from face of box.
93.Secure seal with circlip.
94.Smear inner lip of dirt excluder with PTFE
grease. Fit dirt excluder using LRT-57-027.
When fitted correctly outer shoulder of excluder
is 4.00 - 4.50 mm from face of box, dimension X
in RR3941M.
95.Remove drop arm. Smear inner lip of dirt
excluder with PTFE grease and refit, ensuring
outer lip is flush with casing.
96.With input shaft on centre, line up centralising
holes in drop arm and steering box see inset in
RR3940M. Fit drop arm to steering box using a
new tab washer. Tighten to
176 Nm,bend over
tab.
97.Fit steering box.See Repair, Power Steering
Box

FRONT SUSPENSION
3
REPAIR 7.Withdraw lower seating washer, rubber bush and
cupwasher.
8.Remove fixings, shock absorber to mounting
bracket.
9.Withdraw mounting bracket.
10.Lift off top seating washer, rubber bush and
cupwasher.
Refit
11.Reverse removal procedure. 1 to 10.FRONT ROAD SPRING
Service repair no - 60.20.11.
Remove
1.Remove front shock absorber.
See Front
Shock Absorber
CAUTION: Avoid over stretching brake
hoses. If necessary loosen hose connector
locknuts to allow hoses to follow axle.
2.Lower axle sufficient to free road spring.
3.Withdraw road spring.
4.Withdraw shock absorber bracket securing ring.
Refit
5.Fit shock absorber bracket retaining ring. Retain
in position with a nut.
6.Reverse 2 and 3.
7.Remove nut retaining securing ring.
8.Fit front shock absorber.

60FRONT SUSPENSION
4
REPAIR BUMP STOP
Service repair no - 60.30.10.
Remove
1.Remove fixings.
2.Remove bump stop.
Refit
3.Position bolts in slots in chassis brackets.
4.Fit bump stop, secure with washers and nuts.