Workshop
Manual
Rolls Royce Silver Shadow
B
Bentley
T
Series
Chapter
IY
Notes on steering
system
noise
SYMPTOM
Heavy
sk&ng-eontinued
11. Steering wheel side play
12.
Horn inoperative
13. Horn blows continuously
14.
Steering
column
noisy
in
opera-
tion
It is improbable that the hydraulic side of the power assisted steering system will be absolutely quiet under all
conditions and steering wheel positions.
A
slight hissing sound may
be
audible when the car is at parking speeds
and attitudes, also when turning the steering wheel with
a
front road wheel against the kerb.
For fault diagnosis,
Saginaw steering pump and hoses, refer also to Section
N4.
POSSIBLE
CAUSE
(r) Spool loose in valve body or
leaking valve body
(s)
Damaged
check
valve in pres-
sure hose connection
(t) Flow control valve stuck or
inoperative
(u) Column
bearings
incorrectly ad-
justed
ll.(a)
As
in lO(u)
12. (a) Sticking brush or dirty slip ring
on steering column
13.
(a)
Short in. horn button switch
assembly
m
steering wheel centre
14. (a)
Dry
thrust
bearings
@)
Dry
horn contact
ACTION
(r)
Renew valve
(s) Renew check valve
(t)
Examine flow control valve.
Renew valve
if
necessary
(u) Diswmect upper column from
lower column. Correctly adjust
column
bearings.
Grease
bear-
ings
with approved lubricant
ll.(a)
As
in
10 (u)
12.
(a) Examine brush and spring for
freedom of movement
13.
(a) Examine horn button. Examine
wires
and connections. Check
travel of horn button
14.
(a) Lubricate bearings
(b)
Lubricate horn contact
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