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121 FRONT SUSPENSION
of the upper support arm. Thread the upper
pivot support bolt through one side of the
upper support arm and install the dust seal
over the pivot support bolt. Thread the sup-
port bolt through the upper support pivot,
through the other dust seal and through the
opposite side of the arm. Install the support
bolt nut and tighten to 80-to 90 foot pounds
torque.
NOTE: The upper support pivot must be cen-
tered on the support bolt at the outer end of the
upper support arm. There should be 3/16" bet w
e e n the inner face of the upper support arm and
the end of the upper support pivot.
8. Install the tie rod to the outer steering arm and
tighten the tie rod end nut to 60 to 70 foot
pounds torque.
9. Mount the brake backing plate on the steering
spindle and tighten the four attaching bolt nuts
to 30-35 foot pounds torque.
10. Install wheel hub and drum and wheel and tire
assembly.
11. Lower the car to the floor and check caster,
camber and toe-in.
CENTER STEERING ARM
REMOVAL
1. Remove drag-link at the front b y backing off
the adjusting plug and ball seat.
2. Remove tie rod ends from the steering center
arm using tool J-2781.
3. Remove the three bolts attaching the center
steering arm bracket (32) to the No. 2 cross-
member.
4. Remove the center pivot nut (27) and remove
the center steering arm and pivot as an assembly.
INSTALLATION
1. When installing new bearings in the center
steering arm bracket space the bearings as
shown in Figure 5. Apply pressure on the outer
race on the end carrying the part number and
manufacturers name.
2. If' necessary to replace the steering arm pivot
shaft, the new shaft should be pressed in place
maintaining the 2.053" to 2.055" dimension as
shown before drilling the hole for the No. 5
taper pin (A).
3. The steering arm seal consists of a steel washer
to which synthetic rubber i s bonded. A separate
retainer is therefore not required.
FIGURE 5
4. When installing the seals the rubber lips fit the
casting grooves as shown in cross section ,
Figure 5, and the spacers (C) and (G) are in-
stalled as shown.
5. The center steering arm pivot bolt nut (H) should
be tightened to 50 to 60 foot pounds torque.
TIE ROD ENDS
Tie rod ends are the self adjusting type. The
ground steel bearings (45), Figure 6 is located
between the stud (46) (which is prevented from
loosening or rattling by the tension spring) and the
tie rod end forging. A curved steel dust cover (48)
makes a tight metal seal, but to insure this being as
nearly dust proof as possible, a rubber seal (47)
also seals the unit.
FIGURE 6
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