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STEERING
1 9 - 4 1
CAUTION: The power steering system is a closed
system. Contaminated fluid in either the pump or in
the steering gear is circulated to the other unit. If
the system is exceptionally contaminated, the pump
and the steering gear must be disassembled and
cleaned, and all the hoses removed and flushed.
CAUTION: Do not force the pump to operate against
a "stop" for more than 2 to 4 seconds at a time be-
cause, otherwise, pump damage will result.
CAUTION: To prevent causing flat spots on the
front tires, do not turn the steering wheel more than
five times without moving the vehicle to change the
tire-to-floor contact surface area.
(11) I f the p u m p operation i s acceptable (i.e., t h e
highest indicated pressures are w i t h i n t h e specified
pressure r e l i e f range a n d variance), continue w i t h
t h e test. W i t h t h e gduge valve open, t u r n the steer-
i n g wheel to t h e extreme left a n d r i g h t positions to
force the p u m p t o operate against t h e stops (Fig. 4).
Record the highest indicated pressure a t each steer-
i n g wheel position.
WITH VALVE OPEN
TURN STEERING WHEEL
ALL THE WAY LEFT AND
RIGHT. RECORD HIGHEST
PRESSURE AT EACH STOP.
J8919-66
Fig. 4 Pressure Test
(12) Compare t h e extreme left a n d t h e r i g h t t u r n
pressures w i t h t h e previously noted pump highest
o u t p u t pressures. I f the p u m p highest output pres-
sures are not duplicated w h e n t h e p u m p is forced to
operate against either stop, t h e steering gear is leak-
i n g
i n t e r n a l l y a n d m u s t be disassembled a n d r e -
paired.
(13) Stop t h e engine a n d remove t h e test equip-
m e n t . Connect t h e pressure hose t o t h e p u m p (or
steering gear).
(14) Repair t h e system as necessary and correct t h e
fluid
level. Remove t h e d r i p pan.
HOSE—REMOVAL/INSTALLATION
Remove/install power steering hoses w i t h vehicle
raised o n a hoist. Cap t h e hose open ends a n d t h e
p u m p a n d steering gear ports t o prevent e n t r y o f for-
eign m a t e r i a l .
WARNING: POWER STEERING FLUID (AND PUMP
COMPONENTS) AND THE EXHAUST SYSTEM CAN
BE EXTREMELY HOT IF THE ENGINE HAS BEEN
RECENTLY OPERATING. DO NOT START THE EN-
GINE
WITH
ANY
LOOSE
OR
DISCONNECTED
HOSES. DO NOT ALLOW THE HOSES TO TOUCH A
HOT EXHAUST MANIFOLD OR THE CATALYTIC
CONVERTER.
HOSE
REMOVAL
(1) I f applicable, remove t h e fasteners f r o m t h e
hose r e t a i n i n g brackets a t a l l locations.
(2) Disconnect t h e hose from t h e steering gear
u n i o n and d r a i n the fluid from the pump and reser-
v o i r v i a the open end o f the hose.
(3) Disconnect the opposite end of the hose f r o m t h e
p u m p u n i o n and remove the hose from the vehicle.
HOSE
INSTALLATION
W h e n either t h e o r i g i n a l hose o r a replacement
hose is being i n s t a l l e d , the following instructions are
essential:
• route the hose(s) and i n s t a l l t h e m i n the same lo-
c a t i o n ^ ) as o r i g i n a l l y installed before removal;
• route t h e hose(s) w i t h smooth curves (i.e., avoid
sharp bends a n d k i n k s ) ;
• t i g h t e n t h e b o t h hose fittings w i t h 30 N - m (22 f t -
lbs) torque;
• hose(s) m u s t r e m a i n a t least one inch away f r o m
a l l pulleys, t h e battery, and the brake t u b i n g , a n d a t
least t w o inches away from the exhaust manifold;
• w h e n used, t h e protective sponge sleeves m u s t be
properly positioned to prevent hose contact and chaf-
i n g f r o m other components i n engine compartment;
and
• after a hose(s) i s installed, inspect (and test) for
leaks w h i l e system is being purged of a i r (refer t o
P u m p I n s t a l l a t i o n ) .
(1) Wipe the hose open ends, the pump fitting a n d
steering gear fitting clean.
(2) Connect t h e hose a t the steering gear
fitting
and
a t t h e p u m p
fitting.
A s applicable, route t h e
hose t o t h e r e t a i n i n g brackets w h i l e avoiding ex-
t r e m e bends or " k i n k i n g " the hose. The hose m u s t re-
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