1998 JAGUAR X308 steering wheel

Steering
Linkage - Steering Linkage
Descriptio
n and Operation

Parts List
The left- and right-hand tie rod assemblies:
T
ransmit steering forces from the steering rack to the st
eering arms which are integral with the vertical links.
Comprise the tie rod, inner
ball joint,
outer tie rod end and outer ball joint.
P
rovide front road wheel toe setting by adju
stment of the threaded outer tie rod ends.
• NOTE: Steering geometry adjustments must only be carried out wi th the vehicle on turn plates to allow the wheels to move
during adjustment.
The left- and right-hand steering rack gaiters:
Are
installed between the steering rack and the tie bars.
Are

of the concertina type.
R

etain lubricant and prevent th
e ingress of foreign matter.
P
ermit movement of the steering rack and tie rods.


ItemPa
rt Number
Descript
ion
1—St

eering rack assembly
2—St

eering rack gaiter
3—I

nner ball joint
4—Tie

rod
5—O

uter tie rod end
6—Lo

ck-nut
7—Oute

r ball joint
8—O

uter ball joint nut

Steering Column -
Torques



Comp

onent
Nm
Upper
steering column upp
er fixings
22
-
28
S
t
eering wheel to column securing bolt
34
-
46
Upper
bracket
to body screws
22
-
28
Upper
steering colu mn lower fi
xings
17
-
23
Lower steeri
ng col
umn pinch bolts (upper and lower)
28
-
34
U
pper
and lower cowl securing screws
1.
5 (
nominal)
D
river ai
r bag fixings
4 -
5
Colum
n switchgear to column
4 -
5

Steering Column - Steering Column
Description an
d Operation
Stee

ring Wheel

T
he steering wheel assembly incorporates:
The s

peed control switchpack.
The i

n-car entertainment (ICE) switchpack.
The h

orn pad.
The driver ai

r bag module; refer to Section
501
-20A Safety Belt
System
Sectio
n
501
-2
0B Supplemental Restraint
Sy

stem
.
I

CE Switchpack

The
in-car entertainment (ICE) switchpack is installed to the le
ft of the steering wheel center, controlling the ICE functions
and telephone (where fitted). The switchpack overrides the corresponding bu ttons on the ICE control panel and performs
the following functions:
1. 1. Increase the volume of the select ed audio output or telephone.
It
em
Par
t Number
De
scription
1-Spe

ed control switchpack
2-I

CE switchpack
3-Horn pad
4-Air bag lo

cation
It

em
Par
t Number
De
scription
1-Vol

ume increase

2-ICE func
tions/teleph
one mode select
3-Volum
e decrease
4-ICE pres

ets/telephone memory select

2.2. Press and rel e
ase to cycle through radio FM, radio AM,
tape cassette, or CD player. Press and hold for two
seconds to select telephone mode.
3. 3. Decrease the volume of the select ed audio output or telephone.
4. 4. Press and release to select the next pr eset radio station, or the next track on tape or CD. Press and hold for two
seconds to select the next radio station on the waveband upwards, or the next CD loaded in the player, or to
change the side of tape. When in te lephone mode, press and release to scroll up to the next memory location.
Press and hold for two seconds to send and end a call.
Speed Control Switchpa ck

The s p
eed control switchpack is installed to the right of th
e steering wheel center and performs the following functions:
1. 1. Set the desired speed or increase the set speed.
2. 2. Resume the previously set speed.
3. 3. Decrease the set speed.
4. 4. Cancel speed control without erasing the set speed.
Horn and Driver Airbag Location

Ite
m
Par
t
Number
De
scr
iption
1-Se
t
speed or increase speed
2-Re
sum
e
3-De
creas
e speed
4-Cancel
Ite

m
Part
Number
Descr
iption
1-Horn operatin
g pad

The ho
rn operating pad is mounted in the central area of the steering wheel.
2-Driver air bag location

The driver air bag is moun
ted below the horn operat
ing pad area, adjacent to the steering wheel hub.
For air bag safety and service information, refer to Section 501
-20A Safety Belt
System
Sectio
n
501
-2
0B Supplemental
Re

straint System
.
Upper Steering Column


Motorized Upper Colu
mn Assembly

The motorized upper steering column:
Is adjustable for both til
t and reach.
Has a col

umn adjustment switch installed on
the left-hand side of the lower cowl.
W
ill automatically move to the uppermost tilt and innermost reach position, when the automatic driver entry and exit

function is selected.
Has an instrument li
ghti
ng dimmer switch installed on the left-hand side of the lower cowl.
The steering column adjustment switch:
Controls steeri
ng column reach by
movement of the switch towards an d away from the steering wheel.
Controls steeri
ng column tilt by mo
vement of the switch up and down.
Has two
rotary positions, AUTO and OFF, for selecting the
automatic entry and exit steering column tilt function.
It
em
Par
t Number
De
scription
1-Upper

cowl

2-Lower cowl
3-Ste
ering column adjustment switch
4-Di

mmer switch

The te
lescopic slider provides driver crash
protection by retracting automatically in the event of an accident; it is clamped in
position to a preset torque.
The motorized upper steering column has the following serviceable parts:
Igniti
on switch assembly.
Igni
ti
on key interlock solenoid.
Ti
lt
motor assembly.
Reach motor assembly.
Manu al Upper Column Assembly


Ite
m
Par
t
Number
De
scr
iption
1-L
o
wer mounting bracket
2-Crash tube
3-Harnes
s c
onnector bracket
4-Tilt motor

5-Reach m
otor
6-Upper
moun
ting bracket
7-Ignition switc
h
(hidden)
8-Igni
ti
on key interlock solenoid
9-S
t
eering wheel mounting shaft
It
e
m
Par
t
Number
De
scr
iption
1-Upper
cowl
2-Lower cowl
3-Colu
mn tilt adjustment lever

4-Col
u
mn reach adjustment lever
5-Di
mm
er switch
Motorized Upper Co
lumn Components

Is adjustable for both til
t and reach.
Has ca

ble operated reach adjustment, using a rack an
d wedge, with approximately 16 latched positions.
Has si
x latched tilt positions steppe
d at approximately 3° intervals.
Has an u
nlatched top tilt position, allowing the column to be
pulled down to engage the first detent without using the
tilt lever.
Has an instrument li
ghti
ng dimmer switch installed on the left-hand side of the lower cowl.
Manual Upper Column Components

The telescopic slider provides driver crash protection by retracting automatically in the event of an accident; it is clamped in
position to a preset torque.
The manual upper steering column has the following serviceable parts:
Igni
tion switch assembly.
Igni

tion key interlock solenoid.
Bowden

cable and lever assembly.
It
em
Par
t Number
De
scription
1-L

ower mounting bracket
2-Crash tube
3-Harnes

s connector bracket
4-Upper

mounting bracket
5-Ignition switc

h (hidden)
6-Igni

tion key interlock solenoid
7-S

teering wheel mounting shaft


The manu
al upper
steering column:

o
perating. If an indicator bulb fails, the warning
lamp and ticking operate at twice the normal rate.
Sidelam
ps and Headlamps
Thes
e are controlled by rotating the end of the column switch as follows.
In the OFF position:
All
exterior lamps are switched OFF.
In the sidelamp position:
The front
sidelamps, tail, license plate and any other la
mps required by local legislation are switched ON.
The
sidelamps tell-tale lamp illuminates.
In the headlamp position, with the ignition switch in position II:
The h
eadlamps are switched ON in addition to the lamps switched on in the sidelamp position.
If the ignition is switched to the OFF position with the column switch in the headlamp position, the sidelamps, tail and
license plate lamps will stay ON, but the headlamps will switch OFF.
In the AUTO position (where fitted), with the ignition switch in position II:
Th
e sensor mounted on the back of the interior rear view
mirror monitors exterior light levels and automatically
switches the sidelamps and di pped headlamps ON and OFF.
The sensitivity level can be adjusted by turn ing the sensor control knob on the back of the interior mirror, left to decrease or
right to increase. The sensor must not be covered and the windscreen must be kept clean.
Headlamp Main Bea
m Position
Wi
th the column switch in
the headlamp position:
Movin
g the switch stalk away fro
m the steering wheel switches the headlamps to main beam.
Movin
g the switch stalk towards the steering wheel switches the headlamps to dipped beam.
The main beam tell-tale lamp illuminates when the headlamps are switched to main beam.
Ma
in Beam Flash
Wi
th the ignition switch and column switch in any position:
Pulling the

switch stalk agains
t spring pressure towards th e steering wheel illuminates the headlamps on main beam
for as long as the switch is held.
The main beam tell-tale lamp illuminates while the headlamps are illuminated.
M
essage Center Functions
T
he message center functions:
Are se

lected by the button located at the end of the lighting switch stalk.
Are se

lected in turn, by repeatedly pressing the button,
from the odometer reading, through the trip computer data
in sequence, and back to th e odometer reading again.