Chrysler Stratus Convertible. Manual — part 51
STEERING KNUCKLE
The front suspension steering knuckle is not a
repairable component of the front suspension. It
must be replaced if found to be damaged in any way.
If it is determined that the steering knuckle is bent
when servicing the vehicle, no attempt is to be made
to straighten the steering knuckle.
HUB AND BEARING (FRONT)
The hub and bearing is designed for the life of the
vehicle and requires no type of periodic maintenance.
The following procedure may be used for diagnosing
the condition of the wheel bearing and hub.
With the wheel, disc brake caliper, and brake rotor
removed, rotate the wheel hub. Any roughness or
resistance to rotation may indicate dirt intrusion or a
failed hub bearing. If the bearing exhibits any of
these conditions during diagnosis, the hub bearing
will require replacement. The bearing is not service-
able.
Damaged bearing seals and the resulting excessive
grease loss may also require bearing replacement.
Moderate grease weapage from the bearing is consid-
ered normal and should not require replacement of
the wheel bearing.
To diagnose a bent hub, refer to BRAKE ROTOR in
the DIAGNOSIS AND TESTING section in the
BRAKES service manual group for the procedure on
measuring hub runout.
UPPER CONTROL ARM (FRONT)
If damaged, the upper control arm is serviced only
as a complete component. Inspect the upper control
arm for any signs of damage. If control arm shows
any sign of damage the upper control arm must be
replaced. Do not attempt to repair or straighten a
broken or bent upper control arm.
The only serviceable component of the upper con-
trol arm is the ball joint grease seal. No other repair
or replacement procedure should be attempted on
any component of the upper control arm. Service pro-
cedures to replace the serviceable components are
detailed in the specific component sections of this
group.
BALL JOINT (FRONT UPPER)
With the weight of the vehicle resting on the road
wheels, grasp the grease fitting and with no mechan-
ical assistance or added force, attempt to move the
grease fitting.
If the ball joint is worn the grease fitting will move
easily. If movement is noted, replacement of the
upper control arm is required.
LOWER CONTROL ARM
If damaged, the lower control arm casting is ser-
viced only as a complete component. Inspect lower
control arm for signs of damage from contact with
the ground or road debris. If lower control arm shows
any sign of damage, inspect lower control arm for
distortion. Do not attempt to repair or straighten
a broken or bent lower control arm.
The replaceable components of the lower control
arm are: the ball joint grease seal and the control
arm bushings. Inspect both control arm bushings for
severe deterioration, and replace if required.
Inspect the lower ball joint for wear. Use the wear
inspection procedure in the diagnosis and testing sec-
tion in this group of service manual to determine if
the wear is excessive and ball joint (lower control
arm) replacement is required.
Service procedures to replace these components are
detailed in the specific component removal and
installation sections in this group of the service man-
ual.
BALL JOINT (LOWER)
(1) Raise the vehicle on jack stands or centered on
a frame contact type hoist. See Hoisting in the Lubri-
cation and Maintenance section of this manual, for
the required lifting procedure to be used for this
vehicle.
Fig. 3 On Vehicle Inspection
1 – UPPER SPRING SEAT
2 – DUST BOOT
3 – SHOCK ABSORBER
4 – COIL SPRING
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SUSPENSION
2 - 13
DIAGNOSIS AND TESTING (Continued)
(2) Install a dial indicator on the vehicle so it is
contacting the top surface of the steering knuckle
near the lower ball joint stud castle nut.
(3) Grab wheel and tire assembly and push it up
and down firmly.
(4) Record the amount of up and down movement
of the steering knuckle recorded on the dial indicator.
(5) Replace lower control arm if the movement in
the lower control arm exceeds 1.5 mm (.059 in.).
STABILIZER BAR (FRONT)
Inspect for broken or distorted stabilizer bar bush-
ings, bushing retainers, and worn or damaged stabi-
lizer bar to control arm attaching links.
SERVICE PROCEDURES
LUBRICATION
The only serviceable lubrication points on the sus-
pension are the upper ball joints (Fig. 4). All other
joints are sealed for life. Lubricate the upper ball
joints until a slight swelling is noticed in the ball
joint seal boots. Do not overfill the seal boots. Follow
the vehicles maintenance schedule.
REMOVAL AND INSTALLATION
SERVICE WARNINGS AND CAUTIONS
WARNING: DO NOT REMOVE A SHOCK ROD NUT
WHILE THE SHOCK ASSEMBLY IS INSTALLED IN
VEHICLE, OR BEFORE THE SHOCK ASSEMBLY
SPRING IS COMPRESSED.
CAUTION: Only frame contact hoisting equipment
can be used on this vehicle. All vehicles have a
fully independent rear suspension. The vehicles can
not be hoisted using equipment designed to lift a
vehicle by the rear axle. If this type of hoisting
equipment is used, damage to rear suspension
components will occur.
CAUTION: At no time when servicing a vehicle, can
a sheet metal screw, bolt or other metal fastener be
installed in the shock tower to take the place of an
original plastic clip. Also, NO holes can be drilled
into the front shock tower in the area shown in (Fig.
5), for the installation of any metal fasteners into
the shock tower. Because of the minimum clear-
ance in this area installation of metal fasteners
could damage the coil spring coating and lead to a
corrosion failure of the spring.
Fig. 4 Lubrication Points
1 – UPPER BALL JOINTS
2 - 14
SUSPENSION
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DIAGNOSIS AND TESTING (Continued)
NOTE: If a suspension component becomes bent,
damaged or fails, no attempt should be made to
straighten or repair it. Always replace it with a new
component.
SHOCK ASSEMBLY (FRONT)
NOTE: Before proceeding, review SERVICE WARN-
INGS AND CAUTIONS in this section.
REMOVAL
(1) Loosen wheel nuts.
(2) Raise vehicle on jack stands or centered on a
frame contact type hoist. See Hoisting in the Lubri-
cation and Maintenance section of this manual, for
the required lifting procedure to be used for this
vehicle.
(3) Remove the wheel and tire from the location on
front of vehicle requiring shock removal.
(4) If both shock assemblies are removed, mark
the shock assemblies right and left according to
which side of the vehicle they were removed from.
(5) Remove the wheel speed sensor cable routing
bracket (Fig. 6) from the steering knuckle.
(6) Remove the cotter pin and castle nut (Fig. 7)
from the upper ball joint stud.
(7) Remove the upper ball joint stud from the
steering knuckle using Puller, Special Tool, C-3894-A
(Fig. 8). Pull steering knuckle outward and position
toward the rear of the front wheel opening.
(8) Remove pinch bolt attaching shock absorber
clevis to shock absorber (Fig. 9).
(9) Remove the nut and thru-bolt (Fig. 10) attach-
ing the shock absorber clevis to the lower control
arm.
(10) Remove the clevis from the shock absorber by
carefully tapping the clevis off the shock absorber
using a soft (brass) drift.
Fig. 5 Shock Tower To Spring Minimum Clearance
Area
1 – SHOCK TOWER
2 – COIL SPRING
3 – NO SHEET METAL SCREWS, BOLTS, OR ANY OTHER
METAL FASTENERS ARE TO BE INSTALLED IN SHOCK
TOWER AREA. ALSO, NO HOLES ARE TO BE DRILLED INTO
SHOCK TOWER IN THIS SAME AREA.
Fig. 6 Wheel Speed Sensor Cable Routing Bracket
1 – WHEEL SPEED SENSOR CABLE
2 – SPEED SENSOR CABLE ROUTING BRACKET
3 – STEERING KNUCKLE
4 – ATTACHING BOLT
5 – BRAKE CALIPER FLEX HOSE
Fig. 7 Ball Joint Attachment To Steering Knuckle
1 – UPPER CONTROL ARM SHOCK ABSORBER MOUNTING
BRACKET
2 – BALL JOINT
3 – SHOCK ABSORBER ASSEMBLY
4 – STEERING KNUCKLE
5 – COTTER PIN
6 – CASTLE NUT
7 – UPPER CONTROL ARM
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SUSPENSION
2 - 15
REMOVAL AND INSTALLATION (Continued)
(11) Remove the 4 bolts (Fig. 11) attaching the
shock absorber/upper control arm mounting bracket
to the shock tower of the vehicle.
(12) Remove the shock assembly from the vehicle.
The shock assembly is removed out through the front
area of the front wheel well.
(13) For disassembly and assembly of the shock
assembly, refer to DISASSEMBLY AND ASSEMBLY
in this section of this group.
INSTALLATION
(1) Install the shock assembly, with the clevis
removed, into shock tower. Aligning the 2 locating
pins and the 4 mounting holes on the upper control
arm shock absorber mount with the 4 holes in shock
tower. Install the 4 upper control arm mount to
shock tower mounting bolts (Fig. 11). Tighten the 4
bolts to a torque of 95 N·m (70 ft. lbs.).
(2) Install the clevis on the shock absorber. Clevis
is installed by tapping it onto the fluid reservoir of
the shock absorber using a soft (brass) drift until
fully seated against locating tab on shock absorber
Fig. 8 Ball Joint Stud Removal From Steering
Knuckle
1 – BALL JOINT
2 – BALL JOINT STUD
3 – SPECIAL TOOL C3894–A
4 – SHOCK ABSORBER ASSEMBLY
5 – UPPER CONTROL ARM
Fig. 9 Shock Absorber Clevis Bracket Pinch Bolt
1 – SHOCK ABSORBER ASSEMBLY
2 – PINCH BOLT AND NUT
3 – WHEEL SPEED SENSOR CABLE
4 – BRAKE FLEX HOSE
5 – CLEVIS BRACKET
6 – STEERING KNUCKLE
Fig. 10 Clevis To Lower Control Arm Attaching Bolt
1 – TIE ROD END
2 – LOWER CONTROL ARM
3 – SHOCK ABSORBER CLEVIS
4 – THRU-BOLT
Fig. 11 Shock Assembly Attachment To Shock
Tower
1 – SHOCK TOWER
2 – MOUNTING BOLTS
2 - 16
SUSPENSION
JX
REMOVAL AND INSTALLATION (Continued)
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