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240
SUSPENSION AND STEERING
Caster and camber shim location
wheel and a line drawn through the center of
the upper and lower ball joints. Adjustments
to the caster angle are made by the insertion
of shims between the upper control arm pi-
vot shaft and the frame bracket. Moving shims
front to rear will decrease positive caster. In-
sertion and removal of a Vs2 in. shim will ef-
fect a %° caster change. Adjust caster to spec-
ifications.
CAMBER ADJUSTMENT
Camber is die measurement in degrees of the
outward or inward tilt of the top of the wheel
and tire in relation to the true vertical. Tilt-
ing of the top of the tire away from the cen-
terline of the vehicle is called positive cam-
ber. Tilting toward the vehicle centerline is
negative camber. Camber adjustment is made
by adding or removing shims equally at both
bolts. Camber and caster adjustment may be
made at the same time. A Vs2 in. shim will
effect a Ve
ifications.
TOE-IN ADJUSTMENT
Toe-in is the measurement in inches of the
inward departure of the front of the wheels
from a line drawn through the horizontal cen-
ter of the wheel, parallel to the centerline of
the vehicle. Toe-in is expressed as the differ-
ence in measurement between the extreme
front of the wheel pair and the extreme rear
of the wheel pair.
Two methods of setting toe-in may be em-
ployed. In the first, position the steering gear
on high point and mark the 12 o'clock posi-
tion on the steering shaft, with the wheel in
the straight-ahead position. Loosen both tie
rod clamp bolts and adjust each evenly to ob-
tain the total toe-in specified. Secure the in-
ner tie-rod clamp protrusions forward to 90°
down to prevent interference with the stabi-
lizer link bolt.
Toe-in adjustment
PIVOT SHAT tNBOAHD OF FRAME
Caster and camber adjustment
0
change in camber. Adjust to spec-
"Y" IS LESS THAN "X"
WHEN WHEELS TOE-IN
:
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