Lower Suspension Arm Bushing Replacement; Upper Suspension Arm Removal/Installation; Ball Stud Loosening Tool Installed - Dodge D150 1990 Service Manual

Rear wheel drive ram truck
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FRONT SUSPENSION
2-11
loosen the adjustment n u t t o completely release t h e
wheel bearing "preload". N e x t , t i g h t e n t h e adjust-
m e n t n u t " f i n g e r - t i g h t " , and i n s t a l l n u t lock and cot-
ter p i n . The r e s u l t of t h e adjustment should be
0.0001 to 0.003 i n c h (0.0025 t o 0.76 m m ) "end play".
Clean the dust cap, apply a l i g h t coat o f wheel bear-
i n g l u b r i c a n t t o t h e inside surface and i n s t a l l i t o n
the h u b .
(10) Position t h e inboard b r a k e pad o n t h e brake
caliper adapter w i t h t h e p a d flanges engaged w i t h
the adapter r a i l s . Slowly slide t h e caliper into posi-
t i o n i n the adapter and over t h e brake rotor. A l i g n
the caliper o n t h e adapter r a i l s . Use care to avoid
p u l l i n g the protective dust boot f r o m the grooves as
the caliper p i s t o n a n d boot slide over t h e inboard
brake pad.
I f n e c e s s a r y , r e f e r t o G r o u p 5 — B r a k e s f o r a d -
d i t i o n a l i n s t a l l a t i o n i n f o r m a t i o n .
(11) I n s t a l l t h e a n t i - r a t t l e springs and t h e retainer
clips, and t i g h t e n w i t h 20 N*m (15 ft-lbs/180 in-lbs)
torque.
T h e i n b o a r d s h o e a n t i - r a t t l e s p r i n g m u s t a l -
w a y s b e i n s t a l l e d o n t o p o f t h e r e t a i n e r s p r i n g
p l a t e .
(12) I n s t a l l t h e wheel/tire a n d t h e wheel cover.
Raise the vehicle, remove t h e supports, lower the ve-
hicle and remove t h e block f r o m the brake pedal.
(13) T i g h t e n t h e shock absorber stud n u t w i t h 34
N»m (25 ft-lbs) torque and t h e lower a t t a c h i n g bolts
w i t h 23 N*m (17 ft-lbs/200 in-lbs) torque.
(14) Test t h e vehicle brakes a n d the front suspen-
sion for proper operation.
LOWER SUSPENSION ARM BUSHING
REPLACEMENT
REMOVAL
(1) Remove t h e lower suspension a r m according to
instructions provided w i t h i n t h e removal procedure.
(2) Use a n arbor press a n d a n appropriate size
sleeve to force t h e o r i g i n a l b u s h i n g from t h e lower
suspension a r m bore.
INSTALLATION
(1) Use a n arbor press a n d a n appropriate size
sleeve to force
t h e replacement
b u s h i n g i n t o t h e
lower suspension a r m bore. Ensure t h a t i t is com-
pletely "seated" i n the bore.
(2) I n s t a l l t h e lower suspension a r m according t o
instructions provided w i t h i n t h e i n s t a l l a t i o n proce-
dure.
UPPER SUSPENSION ARM
REMOVAL/INSTALLATION
REMOVAL
(1) Raise the vehicle. Position support stands under
the frame r a i l and lower t h e front o f t h e hoist. Re-
move the wheel/tire.
(2) Remove t h e upper bushing, t h e sleeve and t h e
shock absorber (Fig. 2).
(3) I n s t a l l S p r i n g Compressor Tool DD-1278 ( F i g .
4), t i g h t e n t h e n u t " f i n g e r - t i g h t " and t h e n loosen i t
1/2 of-a-turn.
(4) Remove t h e cotter pins and the b a l l stud r e t a i n -
i n g nuts.
(5) I n s t a l l B a l l Stud Loosening Tool C-3564-A (Fig.
7), t u r n the threaded p o r t i o n of the tool t o " l o c k " i t
securely against the upper b a l l stud (Fig. 7). Spread
t h e tool enough t o apply force against the upper b a l l
stud, t h e n s t r i k e the steering knuckle sharply w i t h a
h a m m e r to loosen t h e upper b a l l stud. Do n o t a t -
t e m p t t o force t h e b a l l stud o u t o f t h e steering
k n u c k l e bore w i t h the loosening tool.
Fig. 7 Ball Stud Loosening
Tool Installed
(6) Remove t h e loosening tool from t h e steering
k n u c k l e .
(7) Remove t h e upper b a l l stud from t h e steering
k n u c k l e bore w i t h a n appropriate tool.

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