Page 473 of 2490
6. NO
TE: The suitable funnel should have the a capacity of 4
litres and O-ring seal
• NOTE: The suitable funnel must be tightly sealed to the
power steering fluid reservoi r to avoid fluid leakage.
Install a suitable funnel onto the power steering fluid
reservoir.
7. WARNING: Do not work on or under a vehicle supported
only by a jack. Always support the vehicle on safety stands.
Raise and support the vehicle with the wheels just clear of the
ground.
8. CAUTI
ONS:
Steps 8 and 9 must be carried out within 2 - 3 seconds of
each other. Failure to follow this instruction may result in damage
to the power steering system.
Be prepared to collect escaping fluids.
Using the suitable funnel, top up the power steering system
with the specified fluid. Make su re the fluid level is maintained
at two thirds full in the funnel.
9. CAUTI
ONS:
Be prepared to collect escaping fluids.
Page 474 of 2490
Do not al
low the power steering fluid level in the power
steering fluid reservoir to fall below the minimum power
steering fluid level. Fa ilure to follow this instruction may result
in damage to the po wer steering system.
Make sure the engine is swit ched off as soon as the full
4 litres of power steering flui d has entered the power steering
fluid reservoir.
Flush the power steering system.
St art
the engine
W
it
h assistance turn the stee
ring slowly lock to lock 3
times at approximately 1 revo lution every 5 seconds.
Continue
to flush the power steering system until 4
litres of power steering fl uid has been added to the
power steering reservoir. This should take
approximately 30 seconds.
10 . CAUTI
ON: Be prepared to
collect escaping fluids.
Remove the suitable funnel.
11 . CAUTI
ON: Be prepared to
collect escaping fluids.
Remove the suitable pipe to th e power steering return hose.
12. CAUTI
ON: Be prepared to
collect escaping fluids.
Page 475 of 2490
•
NOTE: Note the orientation of the clip.
If a quick release coupling is fitt ed to the power steering return
hose, connect the power steerin g fluid return hose to the
coupling by installing the clip.
13. Install a new power steering fl uid reservoir. For additional
information, refer to: (211-02) Power Steering Fluid Reservoi r - 4.2L/3.0L/2.7L Diesel
(Removal and Installation),
Power Steering Fluid Reservoir - 3.0L Diesel (Removal and
Installation).
Page 476 of 2490
Steering System - Gen
eral Informatio
n - Power Steering System Vacuum
Filling and Bleeding
Gen e
ral Procedures
Fluid Ho
ses
1.
Parts L i
st
It
e
m
De
scr
iption
1R
e
turn hose
2High
pressure h
ose
2. If vacuum filling equipment is available, proceed as follows:
Disconnect both the
high pres
sure hose and return hose
from the PAS pump and the re turn hose from the steering
rack.
D rain as much fl
uid as possible from the system by
turning the steering from lock to lock two or three times.
Re conn
ect all hoses.
Fi
ll
the system using the vacuum equipment according to
the manufacturers instructions.
St art
the engine and top up
the fluid as necessary.
Turn the steering from lock to lock two or three ti mes wi
th
the engine running, topping up with fluid as necessary.
If possibl
e, run the engine for twenty minutes to expel any
remaining air.
Page 477 of 2490
Stee
ring System - General Informat
ion - Steering Gear Centralizing
Gen
eral Procedures
Rack Al
ignment Markers
1.
The steering rack should al
ways
be centralized prior to steering
column or suspension geometry adjustment.
Central
ization of the steering ra
ck is achieved by aligning
the marker on the centralizing cap with a locator on the
pinion housing.
Page 478 of 2490
Power Steering -
Lubric
ants, Fluids, Sealants and Adhesives
Capacities
Torques
UnitSp
ecification
PAS flu
i
d
De
xr
on 3
UnitLi
t
ers
PAS syste
m1,0
PAS reservoi
r0,4
Com p
onent
Nm
Rac
k
mountin
g brac
ke
t to suspension crossbeam
40
- 50
PAS pump to front mounti
ng bracket
22
-
26
P
AS pu
mp assembly to cylinder block
38
-
48
Pul
l
ey to PAS pump
18
-
24
Hi
gh pressure hose to PAS pump22 -
28
Rack
pipe latch plate bolt8.5 -
11.5
R
e
servoir mounting bracket to body nuts
4 -
5
R
e
servoir mounting bracket clamp
4 -
5
Fluid cooler to body2.
5 -
3.5
Transfer pipe
to steering rack7 -
8
Transfer pipe
to hydraulic con
trol valve
7 -
8
Page 479 of 2490
Power Steering - Power Steering
Description an
d Operation
Parts List
The power steering system is a rack and pinion design, with an engine-dri ve n pump providing the steering assistance. The
system features variable steering assistance with vehicle spee d, a variable ratio steering rack, and a hydraulic control valve
which has a torsion bar arrangement giving improved center feel to the steering.
Absolute cleanliness must be observed wh en replenishing the fluid or dismantling any part of the system. If any major
component is renewed a new fluid rese rvoir must be fitted. New fluid from a sealed container must be used.
It
em
Par
t Number
De
scription
1—Steeri
ng rack assembly
2—Power as
sisted steering pump
3—F
luid reservoir
4—F
luid cooler
5—Hoses and pipework
6—In-
line quick-fit connector
Page 480 of 2490

The steering rack assembly :
Is mounted on the
rear face of the
front suspension crossbeam by two forg ed mounting brackets with resilient
bushes. The bushes are handed (pinion side and non-pinion side) and are orientated according to the vehicle range
application.
Convert s
the rotary motion of the steering wheel, via the steering gear pinion, to the lateral motion of the rack.
F
e
atures a variable ratio steering
rack with integral hydraulic po wer steering cylinder and piston.
Has a hydrauli
c control valve with Servotronic co
ntrol and positive center feel torsion bar.
The basic steering rack assembly is not serviceable. The following components are serviceable items:
Transfer pipework
.
Servotronic valve. Cent
ralizing cap.
O
u
ter ball joint.
Rac
k
gaiter.
Clips and
fittings.
Steering Rack Components
It e
m
Par
t
Number
De
scr
iption
1—Front
su
spension crossbeam
2—Steeri
ng rack housi
ng
3—Hydraulic
control valve housing
4—Moun
ting bracke
t
5—Gait
er
6—Tie
rod
7—O
u
ter ball joint
Steering R
a
ck Assembly