Chrysler RAM TRUCK 2500 1994 Service Manual page 74

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FRONT SUSPENSION AND AXLE 2 - 17
UPPER SUSPENSION ARM
REMOVAL
(1) Raise and support vehicle
(2) Remove tire and wheel assembly
(3) Support lower suspension arm at outboard end
with jack stand.
(4) Remove upper ball stud cotter pin and nut.
(5) Separate ball stud from knuckle with remover
MD-990635 or MD-991113.
(6) Remove pivot bar bolts from upper suspension
arm bracket and remove arm from vehicle.
INSTALLATION
(1) Position upper suspension arm on bracket and
install pivot bar bolts. Tighten to 203 N-m (150 ft.
lbs.) torque.
(2) Install ball stud in knuckle. Install nut and
tighten to 75 N-m (55 ft. lbs.) torque. Install replace­
ment cotter pin.
(3) Remove jack from lower suspension arm.
(4) Install tire and wheel assembly
(5) Remove support and lower vehicle
(6) Align front suspension.
UPPER BALL STUD
INSPECTION
(1) Position a floor jack under the lower suspension
arm. Raise the wheel and allow the tire to lightly
contact the floor (vehicle weight relieved from the
tire).
(2) Grasp the top of the tire and apply force i n and
out. Look for any movement at the ball joints be­
tween the upper suspension arm and steering
knuckle.
(3) I f any lateral movement is evident, replace the
ball joint.
REMOVAL
(1) Follow procedure under Upper Suspension Arm
Removal.
(2) Position special tools on upper suspension arm
and press ball stud out of arm (Fig. 8).
INSTALLATION
(1) Press ball stud into upper suspension arm with
special tools (Fig. 9).
(2) Follow procedure under Upper Suspension Arm
Installation.
WHEEL HUB AND BEARINGS
REMOVAL
(1) Raise and support the vehicle.
(2) Remove the wheel and tire assembly.
(3) Remove disc brake caliper from steering
knuckle. Refer to Group 5, Brakes.
Fig. 8 Upper Ball Stud Removal
SPECIAL TOOL
G 4 2 1 2 F
J9402-35
Fig. 9 Upper Ball Stud Installation
(4) Remove the dust cap, cotter pin, and hub nut
from spindle.
CAUTION: Use care to prevent inner wheel bearing
and seal from contacting spindle threads during re­
moval.
(5) Carefully slide the hub/rotor from spindle.
(6) Remove the seal and inner wheel bearing from
the hub/rotor.