Chrysler Concorde 1993, Service Manual, Page: 28 / 820

FRONT SUSPENSION SERVICE PROCEDURES
INDEX
page page
Ball Joints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Front Suspension Serviceable Components . . . . . . 6
Front Wheel Alignment . . . . . . . . . . . . . . . . . . . . . 6
Hub and Bearing Assembly . . . . . . . . . . . . . . . . . 34
Lower Control Arm Bushing Service . . . . . . . . . . 18
Lower Control Arm Service . . . . . . . . . . . . . . . . . 13
Servicing Stabilizer Bar and Bushings . . . . . . . . . 21
Servicing Wheel Studs . . . . . . . . . . . . . . . . . . . . 37
Steering Knuckle Service . . . . . . . . . . . . . . . . . . . 29
Strut Damper Assembly . . . . . . . . . . . . . . . . . . . . . 8
Suspension Coil Springs . . . . . . . . . . . . . . . . . . . 12
Tension Strut Service . . . . . . . . . . . . . . . . . . . . . 15
Wheel Alignment Service Procedure . . . . . . . . . . . 7
FRONT SUSPENSION SERVICEABLE COMPONENTS
The following components may be replaced either
individually or as an assembly.
•
Gas pressurized front strut must be replaced as an
assembly. The strut is not serviceable. It is not neces-
sary to replace strut assemblies in pairs.
•
Strut assembly upper mounts are replaceable.
•
Bearing and seat assemblies may be replaced indi-
vidually.
•
Coil springs may be replaced individually from the
strut assemblies,
•
Coil spring lower isolator may be replaced individu-
ally.
•
Front wheel hub and bearing assemblies are indi-
vidually replaceable.
•
Front lower control arm assemblies are replaceable.
The ball joint is integral to the control arm and will
require replacement of the control arm if defective. The
ball joint seal is individually replaceable. Lower control
arm bushings are serviced as individual components of
lower control arm assembly, and do not require replace-
ment of lower control arm if defective.
•
Tension struts are replaceable as are the tension
strut to cradle assembly isolator bushings. Tension
strut washers at the lower control arm and cradle are
replaceable, with proper approved replacement parts
ONLY.
•
Front stabilizer bar is replaceable. Front stabilizer
bar isolator bushings, clamps and stabilizer bar link
assemblies are also replaceable.
•
Driveshaft seal and boot replacement, is the only
service to be performed on the driveshaft assembly.
Any failure of an internal driveshaft component will
require replacement of the driveshaft assembly.
FRONT WHEEL ALIGNMENT
Front wheel alignment is the proper settings of all
the interrelated suspension angles affecting the run-
ning and steering of the front wheels of the vehicle.
On the L.H. platform vehicle the only adjust-
able suspension setting is wheel TOE.
The method of checking front alignment will vary
depending on the type of equipment being used. The
instructions furnished by the manufacturer of the
equipment should always be followed. With the excep-
tion that the alignment specifications recommended by
Chrysler Corporation be used.
There are six basic factors which are the foundation
to front wheel alignment. These are vehicle height,
caster, camber, toe-in, steering axis inclination and
toe-out on turns. Of the six basic factors only TOE
IN is mechanically adjustable on the L.H. plat-
form vehicle (Fig. 1).
CAUTION: Do not attempt to modify any suspension
or steering components by heating or bending of the
component.
Wheel alignment adjustments can only be made
for the Toe In setting on the L.H. platform vehicles.
Toe is measured in degrees or inches and is the
distance the front edges of the tires are closer (or
farther apart) than the rear edges. See Front Wheel
Drive Specifications for Toe settings.
PRE-ALIGNMENT
Before any attempt is made to change or correct front
wheel alignment. The following inspection and neces-
sary corrections must be made on those parts which
influence the steering of the vehicle.
(1) Check and inflate tires to recommended pres-
sure. All tires should be the same size and in good
condition and have approximately the same wear. Note
type of tread wear which will aid in diagnosing, see
Wheels and Tires, Group 22.
(2) Check front wheel and tire assembly for radial
runout.
(3) Inspect lower ball joints and all steering linkage
for looseness.
(4) Check for broken or front and rear springs.
Alignment must only be checked after the vehicle has
had the following checked or adjusted. Tires set to
recommended pressures, full tank of fuel, no passenger
or luggage compartment load and is on a level floor or
alignment rack.
Just prior to each alignment reading. The vehicle
should be bounced (rear first, then front) by grasping
2 - 6 SUSPENSION AND DRIVESHAFTS