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Fig. 6 Pulley Installation
PUMP DISASSEMBL
Y
The power steering pump i n s t a l l e d i n R a m V a n
and Wagon vehicles is a vane-submerged type pump
(Fig. 7).
J8919-81
Fig. 7 Vane-Submerged Type Pump
(1) Remove the pump m o u n t i n g brackets, as neces-
sary.
(2) I f applicable, remove t h e fluid reservoir
filler
cap and d r a i n t h e fluid. I n s t a l l t h e reservoir
filler
cap.
(3) Clean the pump exterior w i t h cleaning solvent.
(4) Remove t h e pump pulley w i t h a n appropriate
puller tool (Fig. 5).
(5) Clamp t h e pump housing front h u b i n a vise
w i t h the pump shaft p o i n t i n g d o w n w a r d (Fig. 8). D o
n o t o v e r - t i g h t e n t h e v i s e j a w s b e c a u s e t h i s w i l l
d i s t o r t t h e b e a r i n g .
(6) Remove the pump pressure hose fitting and the
m o u n t i n g studs. Discard the stud seals and the hose
fitting
O-ring seal (Fig. 9).
(7) Remove t h e reservoir b y gently " t a p p i n g " t h e
filler
tube back a n d f o r t h w i t h a plastic
hammer
STEERING
19 - 47
Fig. 8 Pump Clamped In A Vise
(Fig. 8) and t h e n t i l t i n g the reservoir slightly back
and f o r t h to "unseat" t h e O-ring seal. Remove and
discard the reservoir O-ring seal (Fig. 9).
(8) Remove t h e m o u n t i n g stud and t h e pressure
hose fitting seals from the counterbored spaces i n the
pump housing (Fig. 9). Discard the seals.
(9) Remove the end plate r e t a i n i n g r i n g (Fig. 10):
• insert a small punch i n the 3.1-mm (1/8-in) d i a m -
eter hole i n the p u m p housing opposite the flow con-
t r o l valve orifice;
• force the r e t a i n i n g r i n g u p w a r d w i t h a punch; and
• remove the r e t a i n i n g r i n g from the pump housing
by i n s e r t i n g a p r y tool under the r i n g and t u r n i n g i t .
(10) Remove the end plate and the spring from the
p u m p housing (Fig. 9). I f the end plate is not loose,
t i l t i t s l i g h t l y or t a p i t w i t h a plastic hammer t o
loosen i t .
(11) Remove the p u m p housing from the vise.
(12) Remove the flow control valve and the valve
spring from t h e p u m p housing (Fig. 9). I n v e r t t h e
p u m p housing to allow the valve and spring to slide
out of the orifice.
CAUTION: Ensure that the outer (exposed) end of
the pump shaft has no corrosion before removing it
from the pump housing. If corrosion exists, use
crocus cloth to remove it. Failure to remove corro-
sion from the shaft can result in a damaged (non-
reusable) shaft seal and bushing.
(13) Tap the outer end o f the pump shaft w i t h a
plastic hammer (Fig. 11) u n t i l the pressure plate, the
p u m p r i n g and rotor, the t h r u s t plate, and the shaft
can be removed as a u n i t from t h e pump housing
(Fig. 12).
(14) Remove t h e r e t a i n i n g r i n g from the pump
shaft (Fig. 13). Discard the r e t a i n i n g r i n g .
(15) Remove t h e cam (pump) r i n g and rotor, and
the t h r u s t plate from the shaft (Fig. 9). Use c a r e t o
a v o i d d r o p p i n g t h e r o t o r v a n e s .
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