Chrysler 300M, Dodge Interpid. Manual — part 13
CAUTION: The strut assembly to steering knuckle
bolts are serrated were they go through strut
assembly and steering knuckle. When installing
bolts, turn nuts onto bolts DO NOT TURN BOLTS IN
STEERING KNUCKLE. If bolts are turned damage to
steering knuckle will result.
(11) Install the strut assembly to steering knuckle
attaching bolts (Fig. 42). Install nuts on attaching
bolts. Tighten the strut assembly to steering knuckle
attaching bolt nuts to a torque of 203 N·m (150 ft.
lbs.).
(12) If the vehicle is equipped with antilock
brakes. Install the front speed sensor cable routing
bracket onto the front strut assembly (Fig. 41).
(13) Install outer tie rod on strut assembly. Install
tie rod attaching nut (Fig. 38). Tighten the tie rod
attaching nut to a torque of 37 N·m (27 ft. lbs.).
(14) Install stabilizer bar link on strut (Fig. 38).
Tighten the stabilizer link attaching nut to a torque
of 95 N·m (70 ft. lbs.).
(15) Install the right front wheel and tire assem-
bly.
(16) Tighten the wheel mounting nuts in proper
sequence until all nuts are torqued to half specifica-
tion. Repeat the tightening sequence to the full spec-
ified torque of 135 N·m (100 ft. lbs.).
(17) Lower vehicle to the ground.
STABILIZER BAR BUSHINGS
REMOVAL - STABILIZER BAR BUSHING
(FRONT)
(1) Raise vehicle on jack stands or centered on a
frame contact hoist. See Hoisting in Lubrication and
Maintenance.
(2) Remove the 2 bolts attaching each of the 2 sta-
bilizer bushing retainers and bushings to the cradle
assembly (Fig. 49).
(3) Remove the stabilizer bar isolator bushing
retainers from the isolator bushings.
(4) Inspect for broken or distorted retainers and
bushings. If bushing replacement is required, the
bushing can be removed by opening the slit in the
bushing and removing the bushing from around sta-
bilizer bar. The stabilizer bar to cradle assembly
bushings must be positioned on the stabilizer
bar so the slit in the bushing is positioned
toward front of vehicle (Fig. 50).
INSTALLATION - STABILIZER BAR BUSHING
(FRONT)
(1) Install bushings onto stabilizer bar with slits
facing forward and flat side facing downward. The
stabilizer bar to cradle assembly bushings must
be positioned on the stabilizer bar so the slit in
the bushing is positioned toward front of vehi-
cle (Fig. 51).
(2) Install the isolator bushing retainers back onto
the stabilizer bar isolator bushings.
CAUTION: When stabilizer bar is installed. Position
stabilizer bar, so lower part of stabilizer bar is cen-
tered in the middle of the cradle assembly. Failure
to do this may cause stabilizer bar to come in con-
tact with other suspension components.
Fig. 49 Stabilizer Bar Isolator Bushing Attachment
To Cradle
1 - STABILIZER BAR
2 - ATTACHING BOLTS
3 - CRADLE
4 - BUSHING RETAINER
5 - ISOLATOR BUSHING
Fig. 50 Stabilizer
1 - STABILIZER BAR
2 - SLIT
3 - FRONT OF CAR
4 - SLIT
5 - ISOLATOR BUSHINGS
6 - RETAINERS
LH
FRONT SUSPENSION
2 - 21
STABILIZER BAR (Continued)
(3) Align the stabilizer bar bushing retainers with
the mounting holes in the cradle assembly (Fig. 49).
(4) Install and torque the 4 stabilizer bar bushing
retainer to cradle assembly attaching bolts (2 each
retainer) to 61 N·m (45 ft. lbs.).
(5) Lower vehicle to the ground.
STRUT
DESCRIPTION - STRUT ASSEMBLY (FRONT)
The front strut and suspension of the vehicle is
supported by coil springs positioned around the
struts (Fig. 1). The springs are contained between an
upper seat, located just below the upper strut mount
and a lower spring seat on the strut housing. A steer-
ing arm is permanently attached to each strut mak-
ing it side specific.
The top of each strut assembly is bolted to the
upper fender reinforcement (strut tower) through a
rubber isolated mount.
The bottom of the strut assembly attaches to the
top of the steering knuckle with two serrated
through-bolts and prevailing torque nuts.
Coil springs are rated separately for each corner or
side of the vehicle depending on optional equipment
and type of vehicle service.
The components of the strut assembly listed below
are serviceable if found to be defective (Fig. 52):
• Strut shaft retainer nut
• Upper mount
• Seat and bearing
• Dust shield
• Jounce bumper
• Jounce bumper cup
• Coil spring
• Upper spring isolator
• Lower spring isolator
• Strut
OPERATION - STRUT ASSEMBLY (FRONT)
The strut assembly cushions the ride of the vehicle,
controlling vibration, jounce and rebound of the sus-
pension.
The coil spring controls ride quality and maintains
proper ride height.
The spring isolators isolate the coil spring at the
top and bottom from coming into metal-to-metal con-
tact with the upper mounting seat and the strut.
The jounce bumper limits suspension travel and
metal-to-metal contact under full jounce condition.
The strut dampens jounce and rebound motions of
the coil spring and suspension.
Fig. 51 Stabilizer Bar Isolator Bushing
1 - STABILIZER BAR
2 - STABILIZER BAR ISOLATOR BUSHING
3 - CRADLE ASSEMBLY
4 - FRONT OF CAR
5 - SLIT
Fig. 52 Strut Assembly Components
1 - SEAT AND BEARING
2 - DUST SHIELD
3 - CUP
4 - LOWER SPRING ISOLATOR
5 - STRUT
6 - JOUNCE BUMPER
7 - COIL SPRING
8 - UPPER SPRING ISOLATOR
9 - UPPER MOUNT
2 - 22
FRONT SUSPENSION
LH
STABILIZER BAR BUSHINGS (Continued)
DIAGNOSIS AND TESTING - STRUT ASSEMBLY
(FRONT)
(1) Inspect for damaged or broken coil springs.
(2) Inspect for torn or damaged strut assembly
dust boots.
(3) Lift dust boot and inspect strut assembly for
evidence of fluid running from the upper end of fluid
reservoir. (Actual leakage will be a stream of fluid
running down the side and dripping off lower end of
unit). A slight amount of seepage between the strut
rod and strut shaft seal is not unusual and does not
affect performance of the strut assembly. Also inspect
jounce bumpers for signs of damage or deterioration.
(4) Inspect the upper strut mount assembly. Make
sure the correct mount is on the correct side of the
vehicle. Looking down at the top of the upper mount,
2 tabs can be seen, (Fig. 53) and (Fig. 54), down
inside the mount center well. The positioning of
these tabs is critical to vehicle ride and sound. DO
NOT install a right mount on the left front strut
or a left mount on a right front strut. If the strut
is off the vehicle, a rectangular hole can be seen on
the edge of the mount mounting surface (Fig. 53) and
(Fig. 54). This is always in the 10 o’clock position
when observing rubber tab positioning, whether a
left or right mount is being observed.
Coil springs are rated separately for each corner or
side of the vehicle depending on optional equipment
and type of vehicle service. Be sure that the springs
meet the correct load rating for the vehicle and its
specific options.
REMOVAL - STRUT ASSEMBLY (FRONT)
WARNING: DO NOT REMOVE THE STRUT ASSEM-
BLY’S SHAFT NUT AT ANY TIME UNLESS THE COIL
SPRING
HAS
BEEN
PROPERLY
COMPRESSED
FOLLOWING THE PROCEDURE LISTED IN STRUT
ASSEMBLY DISASSEMBLY IN THIS SECTION.
(1) Raise vehicle on jackstands or centered on a
frame contact type hoist. See Hoisting in Lubrication
and Maintenance.
(2) Remove front tire and wheel assembly from the
vehicle.
(3) Remove the stabilizer bar link nut at the strut
assembly. Remove the link from the strut assembly
(Fig. 55).
(4) Loosen, but do not remove, the outer tie rod
end to strut arm attaching nut (Fig. 56). Release
outer tie rod end from steering arm using Puller,
Special Tool C-3894A (Fig. 56), then remove nut and
tie rod from the steering arm.
Fig. 53 Left Front Strut Upper Mount
1 - NOTCH
2 - RUBBER TABS
3 - OUTBOARD STRUT COIL SPRING SEAT
4 - STEERING ARM
Fig. 54 Right Front Strut Upper Mount
1 - NOTCH
2 - STEERING ARM
3 - OUTBOARD STRUT COIL SPRING SEAT
4 - RUBBER TABS
LH
FRONT SUSPENSION
2 - 23
STRUT (Continued)
(5) If vehicle is equipped with antilock brakes,
remove the speed sensor cable routing bracket from
the strut assembly (Fig. 57).
(6) Remove the 2 guide pin bolts mounting the cal-
iper assembly to the steering knuckle (Fig. 58).
Fig. 55 Stabilizer Bar Link At Strut
1 - OUTER TIE ROD
2 - NUT
3 - STABILIZER BAR ATTACHING LINK
4 - STRUT ASSEMBLY
5 - STEERING ARM
6 - NUT
Fig. 56 Removing Outer Tie Rod From Steering Arm
1 - TIE ROD END
2 - STEERING ARM
3 - SPECIAL TOOL
C-3894A
4 - STRUT
Fig. 57 Speed Sensor Cable Routing Bracket
1 - STRUT ASSEMBLY
2 - ROUTING BRACKET
3 - SCREW
4 - SPEED SENSOR CABLE
Fig. 58 Caliper Guide Pin Bolts
1 - BRAKE LINE
2 - CALIPER GUIDE PIN BOLTS
3 - STEERING KNUCKLE
4 - BLEEDER SCREW
5 - CALIPER ASSEMBLY
2 - 24
FRONT SUSPENSION
LH
STRUT (Continued)
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