LAND ROVER DEFENDER 1999 Workshop Manual

54FRONT AXLE AND FINAL DRIVE
6
OVERHAUL 38.Place retaining plate, joint washer and oil seal
over axle flange ready for assembly.
39.Fit swivel bearing housing to axle flange with 7
bolts. Tighten to73 Nm (54 lbf/ft).
40.Grease and fit upper and lower swivel pin taper
roller bearings.
41.Position swivel pin housing over swivel bearing
housing.
42.Coat joint washer both sides with sealing
compound and position on lower swivel pin.
43.Loosely fit brake shield bracket plus lower swivel
pin with lug outboard to swivel pin housing.
44.Loosely fit top swivel pin plus existing shims and
brake hose bracket to swivel pin housing.
45.Apply Loctite 270 or equivalent to lower swivel
pin bolts.25 Nm (18 lbf/ft),bend over lock tabs.
46.Tighten top swivel pin bolts to65 Nm (48 lbf/ft).
Check and adjust preload on bearings
NOTE: Swivel housing oil seal and axle
should not be fitted.
47.Attach a spring balance to track rod ball joint
bore and pull balance to determine effort
required to turn swivel pin housing.
Resistance, once initial inertia has been
overcome, should be1.16 to 1.46 kg.Adjust by
removing or adding shims to top swivel pin.
48.When setting is correct remove top swivel bolts,
apply Loctite 270 or equivalent. Refit bolts and
tighten to65 Nm (48 lbf/ft),and bend over lock
tabs.
49.Apply recommended grease between lips of
swivel oil seal.50.Fit oil seal, joint washer and retaining plate with
7 bolts and spring washers. Tighten to11 Nm (8
lbf/ft).
51.Fit tie rod and drag link and secure with new
cotter pins. Tighten fixing to40 Nm (30 lbf/ft).
52.Fit brake disc shield.
53.Loosely fit lock stop bolt and nut.
54.Apply a recommended grease between lips of
swivel housing oil seal.
55.Secure oil seal with retaining plate and securing
bolts. Tighten to11 Nm (8 lbf/ft).
56.Fit track-rod and drag link and secure with new
cotter pins.
57.Loosely fit lock stop bolt for later adjustment.
58.Fit brake disc shield.
Fit driveshaft and stub axle
59.Insert axle shaft, and when differential splines
are engaged, push assembly in fully.
CAUTION: Take care not to damage axle
shaft oil seals.
60.Place a new joint washer in position on swivelpin
housing to stub axle mating face. Coat threads
of stub axle bolts with Loctite 270.
61.Fit stub axle with flat at 12 O’clock position.
CAUTION: Ensure that constant velocity
joint bearing journal is butted against
thrust ring on stub axle before stub axle is
secured.
62.Place mud shield in position and secure stub
axle to swivel pin housing with 6 bolts and
tighten evenly to65 Nm (48 lbf/ft).
63.Fit brake jump hoses to brake jump hose
bracket.
64.Fit complete front hub assemblySee FRONT
SUSPENSION, Repair. Front hub bearings.
65.Check swivel pin housing oil drain plug is fitted.
66.Fill swivel assembly to correct level, with new oil
See MAINTENANCE , Under vehicle
maintenance.
NOTE: On later vehicles fill swivel pin
housing with 0.33 Litres of Molytex EP 00
grease.
67.Set steering lock stop boltsSee STEERING,
Adjustment. Steering lock stops.
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57 - STEERING
CONTENTS
Page
REPAIR
STEERING COLUMN - UPPER - Td5 1.................................................................
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STEERING
1
REPAIR STEERING COLUMN - UPPER - Td5
Service repair no - 57.40.01
Remove
1.Ensure road wheels and steering wheel are set
in the straight ahead position.
2.Loosen 2 clips securing air inlet pipe between
turbo and inlet air filter.
3.Remove air inlet pipe.
4.Mark relationship between the upper steering
column and the lower steering column universal
joint.
5.Remove bolt securing upper column to lower
column universal joint.
6.Remove steering colum nacelle.See this
Section.
7.Remove instrument pack.See
INSTRUMENTS, Repair.
8.Disconnect 3 column switch multiplugs.
9.Loosen column switch clamping screw.
10.Remove column switch assembly from steering
column.
11.Disconnect 4 Lucars from rear of ignition switch.
NOTE: Take note of Lucars correct fitted
position. Details can also be found in the
Electrical Reference Library.
12.Remove passive coil.See ELECTRICAL,
Repair.
13.Drill out 2 shear bolts securing ignition barrel to
column.
14.Remove ignition barrel.
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57STEERING
2
REPAIR 15.Remove brake servo.See BRAKES, Repair.
16.Release ABS modulator multiplug from side of
brake pedal box.
17.Release mat from underside of fascia to gain
access to brake pedal box mounting bolts.
18.Remove 6 bolts securing brake pedal box to
bulkhead.
19.Disconnect 2 brake pedal switch Lucars.
20.Carefully remove brake pedal box assembly and
collect gasket.
21.Remove bolt securing column upper tie bar to
column.
22.Remove 2 bolts securing upper column to lower
mounting bracket.
23.Remove 2 bolts securing 2 halves of column
upper clamp.
24.Remove 2 bolts securing column upper clamp to
mounting bracket.
25.Remove column upper clamp and collect rubber
packing.
26.Remove 2 bolts securing column upper
mounting bracket to bulkhead.
27.Release upper column from lower column and
manouvre mounting bracket and upper column
assembly from vehicle.
28.Remove mounting bracket from column.
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STEERING
3
REPAIR Refit
NOTE: The steering column is a
non-servicable component and can only
be serviced as a complete assembly.
29.Fit mounting bracket to column and manouvre
assembly into position.
NOTE: Ensure marks on upper and lower
columns are aligned.
30.Loosely fit bolts securing mounting bracket to
bulkhead.
31.Fit upper clamp and rubber packing to column.
32.Loosely fit bolts securing upper clamp to
mounting bracket.
33.Loosely fit bolts securing 2 halves of upper
clamp.
34.Loosely fit bolts securing column lower mounting
bracket.
35.Fit bolt securing upper tie bar to steering column
and tighten to22 Nm (16 lbf.ft).
36.Tighten mounting bracket to bulkhead bolts,
clamp bolts, and lower mounting bolts.
M6 bolts =9 Nm (6 lbf.ft)
M8 bolts =22 Nm (16 lbf.ft)
37.Manouvre brake pedal box assembly and NEW
gasket into position in vehicle.
38.Tighten bolts securing brake pedal box to
bulkhead to25 Nm (18 lbf.ft)
39.Connect brake pedal switch Lucars.
40.Reposition mat to underside of fascia.
41.Secure ABS modulator multiplug to side of brake
pedal box.
42.Fit brake servo.See BRAKES, Repair.
43.Fit ignition switch to steering column, ensuring
inner shaft slot aligns with steering lock plunger.
44.Evenly tighten clamp bolts, but DO NOT shear at
this stage.
45.Temporarily fit steering wheel and check for
correct operation of switch and lock.
46.Remove steering wheel.
47.Fully tighten ignition switch bolts until heads
shear.48.Connect Lucars to rear of ignition switch.
49.Fit passive coil to ignition switch and connect
multiplug.
50.Fit switch assembly to steering column and
tighten clamping screw.
51.Connect column switch multiplugs.
52.Fit instrument pack.See INSTRUMENTS,
Repair.
53.Fit steering column nacelle.See this Section.
54.Fit bolt securing upper column to lower column
universal joint and tighten to25 Nm (18 lbf.ft).
55.Fit air inlet pipe between turbo and inlet air filter
and secure with clips.
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57STEERING
4
REPAIR
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60 - FRONT SUSPENSION
CONTENTS
Page
DESCRIPTION AND OPERATION
FRONT SUSPENSION - FROM 02MY 1................................................................
REPAIR
PANHARD ROD - FROM 02MY 1...........................................................................
BEARINGS - FRONT HUB 1...................................................................................
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FRONT SUSPENSION
1
DESCRIPTION AND OPERATION FRONT SUSPENSION - FROM 02MY
1.Bolts
2.Bushes
3.Panhard rod
Changes have been incorporated to improve the durability of the suspension. The current Panhard rods are
forged. New Panhard rods are introduced which are fabricated from tubular steel and are handed.
The rods are fitted with larger bushes which use M16 bolts in place of the M14 bolts. The torque for the new bolts
is raised to 230 Nm (170 lbf.ft).
The Panhard rod support brackets are now fabricated from upgraded steel which allows the higher torque figure to
be applied to the fixing bolts.
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