Chrysler 300M Service Manual page 90

LH
WHEEL ALIGNMENT (Continued)
STANDARD PROCEDURE - WHEEL ALIGNMENT
PRE-WHEEL ALIGNMENT INSPECTION
Before any attempt is made to change or correct
the wheel alignment, the following inspection and
necessary corrections must be made to ensure proper
alignment.
(1) Verify that the fuel tank is full of fuel. If the
tank is not full, the reduction in weight will affect the
curb height of the vehicle and the alignment angles.
(2) The passenger and luggage compartments of
the vehicle should be free of any load that is not fac-
tory equipment.
(3) Check the tires on the vehicle. All tires must be
the same size and in good condition with approxi-
mately the same amount of tread wear. Inflate all
the tires to the recommended air pressure.
(4) Check the front wheel and tire assemblies for
excessive radial runout.
(5) Inspect lower ball joints and all steering link-
age for looseness, binding, wear or damage. Repair as
necessary.
(6) Check suspension fasteners for proper torque
and retighten as necessary.
(7) Inspect all suspension component rubber bush-
ings for signs of wear or deterioration. Replace any
faulty bushings or components before aligning the
vehicle.
(8) Check the vehicle's curb height to verify it is
within specifications. Refer to Curb Height Measure-
ment.
WHEEL ALIGNMENT SETUP
(1) Position the vehicle on an alignment rack.
(2) Install all required alignment equipment on
the vehicle, per the alignment equipment manufac-
turer's instructions. On this vehicle, a four-wheel
alignment is recommended.
NOTE: Prior to reading the vehicle's alignment
readouts, the front and rear of vehicle should be
jounced. Induce jounce (rear first, then front) by
grasping the center of the bumper and jouncing
each end of vehicle an equal number of times. The
bumper should always be released when vehicle is
at the bottom of the jounce cycle.
(3) Read the vehicle's current front and rear align-
ment settings. Compare the vehicle's current align-
ment settings to the vehicle specifications for camber,
caster and toe-in. Refer to Specifications.
(4) If the rear alignment is out of specification,
adjust it first, before proceeding to the front. Rear
camber and caster are not adjustable. If rear camber
is out of specification, check for damaged or bent rear
suspension components.
REAR WHEEL TOE ADJUSTMENT
(1) Loosen lateral link, adjustment link jam nuts
(Fig. 7). Rotate adjustment links as required to set
rear wheel Toe to specifications. Do not exceed the
maximum length dimensions of the lateral links
shown in (Fig. 8). Both dimensions must be
checked to ensure they do not exceed maxi-
mums allowed.
Fig. 7 Rear Wheel Toe Adjustment
1 - ADJUSTMENT LINK
2 - JAM NUTS
3 - SPINDLE
4 - LATERAL LINKS
CAUTION: When setting rear toe-in on vehicle, the
maximum lengths of the adjustable lateral link at
the locations shown in (Fig. 8) must not be
exceeded. If these maximum lengths are exceeded,
inadequate retention of adjustment link to the inner
and outer link may result. Ensure that the adjust-
ment sleeve jam nuts are torqued to the required
specifications when the Toe setting procedure is
completed.
Fig. 8 Lateral Link Maximum Length Dimensions
1 - 380mm
(MAX)
2 - 90mm
(MAX)
WHEEL ALIGNMENT 2 - 57