Chrysler RAM TRUCK 2500 1994 Service Manual page 75

2 - 1 8 FRONT SUSPENSION AND AXLE
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(7) Remove inner bearing races from hub/rotor
with a pin punch i f bearings are going to be replaced.
CLEANING AND INSPECTION
(1) Thoroughly clean bearings and interior of hub/
rotor.
(2) Clean the bearings with solvent and towel dry.
(3) Rotate each bearing slowly and examine the
rollers for pitting and roughness. Replace bearing i f
worn or damaged.Cup and bearing must be re­
placed as a matched set i f wore or damaged.
(4) Pack each bearing with multi-purpose NLGI,
grade 2, EP-type lubricant (or an equivalent lubri-
cant).Ensure that lubricant is forced into all the
cavities between the b e a r i n g cage and rollers.
INSTALLATION
(1) Install the new bearing cup(s) with an appro­
priate installation tool.
(2) Apply a coating of MOPAR® Wheel Bearing
Grease or equivalent lubricant to inner surface area
of hub/rotor. Install inner wheel bearing and seal i n
the hub/rotor.
(3) Inspect bearing and seal contact surfaces on
spindle for burrs and/or roughness.
(4) Remove all rough contact surfaces from spindle.
Apply a coating of lubricant.
CAUTION: U s e care to prevent inner wheel bearing
and seal from contacting spindle threads during In­
stallation.
(5) Carefully slide the hub/rotor onto spindle. In­
stall outer wheel bearing, washer and retaining nut.
(6) Tighten the nut to 41-54 N-m (30-40 ft. lbs.)
torque to preload bearing while rotating the hub/ro­
tor. Stop hub/rotor and loosen nut to completely re­
lease bearing preload torque. Tighten the nut finger-
tight and install the nut lock. Install a new cotter
pin.
(7) The adjustment (above) should have 0.001 to
0.003 inch (0.254 to 0.0762 mm) end play.
(8) Clean the dust cap and apply a coating lubri­
cant to the internal surface. Do not fill the dust
cap with lubricant. Install the cap.
(9) Install disc brake caliper. Refer to Group 5,
Brakes.
(10) Install the wheel and tire assembly.
STEERING KNUCKLE
REMOVAL
(1) Raise and support vehicle.
(2) Remove wheel and tire assembly. Remove the
brake caliper, refer to Group 5, Brakes.
(3) Remove the wheel hub and bearing assembly
from the spindle. Refer to Wheel Hub and Bearings
service removal.
(4) Remove the cotter pin and nut from the tie-rod
end and disconnect tie rod.
(5) Remove the cotter pins and nuts from the up­
per and lower ball studs. Separate upper ball stud
from knuckle with remover MD-990635 or
MD-991113. Separate lower ball stud with remover
C-4150A and remove knuckle.
INSTALLATION
(1) Position knuckle on ball stud and install ball
stud nuts. Tighten nuts to 75 N«m (55 ft. lbs.) torque.
Install cotter pins.
(2) Install the brake rotor hub and bearing assem­
bly on spindle. Refer to Wheel Hub and Bearings ser­
vice installation.
(3) Install the brake caliper, refer to Group 5,
Brakes.
(4) Install wheel and tire assembly.
(5) Remove support and lower vehicle.