Chevrolet 10 Series 1968, Service Manual

Page: 544 / 713

STEERING 9-11
Fig. 21 — K —10—20 Steering Linkage
N OTE: If a clamp type pitman arm is used,
spread the pitman arm just enough, with a wedge,
to slip arm on to sector shaft. Do not spread
pitman arm excessively or damage to arm will
result. Do not hammer or damage to steering
gear will result.
2. Install sector shaft nut or pitman arm clamp bolt and
torque to specifications.
3. Position ball stud on to pitman arm. Install nut and
torque to specifications. Continue to tighten nut
enough to align castellation with hole in stud and in­
stall cotter pin.
STEERING CONNECTING ROD
Rem oval
1. Remove cotter pins from ball studs and remove cas­
tellated nuts.
2. Remove ball studs from steering arm and pitman
arm by backing up steering arm boss and/or pitman
arm boss with a heavy hammer and striking other
side of boss with lighter hammer (fig.
22 ).
NOTE:
On Chevy Van, the pitman arm must be
removed from the steering gear because of in­
sufficient clearance between the forward ball
stud and the frame rail.
Installation
1. Make sure that threads on ball studs and in ball stud
nuts are clean and smooth. Install neoprene seals on
ball studs.
NOTE:
If threads are not clean and smooth,
ball studs may turn in connecting rod when
attempting to tighten nut.
2. Install ball studs in steering arm and pitman arm.
3. Install ball stud nuts and torque to specifications.
Continue to tighten nuts enough to align castellations
with holes in studs.
4. Install cotter pins and lubricate.
STEERING ARMS
If, through collision or other damage, it becomes
Fig . 22—Ball Stud Removal—Typical
necessary to remove and replace either steering arm,
proceed as follows:
Removal
1. Remove tie rod and, on models so equipped, steering
connecting rod, from steering arm as outlined in
this section.
2. Remove front wheel, hub and brake drum as a unit by
removing hub cap and dust cap, cotter pin from spin­
dle nut and the spindle nut. Pull assembly toward
outside of vehicle. If removal is difficult, it may be
necessary to back off brake adjustment to increase
brake shoe-to-drum clearance; see Hydraulic Brake
Adjustment, Sec. 5.
3. With wheel and drum assembly removed, steering
arm retaining bolt heads are accessible and removal
of steering arm from vehicle may be accomplished
by removing retaining nuts.
Installation
1. Place steering arm in position on vehicle and install
retaining bolts. Note that longer bolt is installed in
forward hole.
2. Install nuts and torque to specifications. Use only
the special locknut listed for this use in the
Chevrolet Parts Catalog.
3. Pack wheel bearings using a high quality wheel
bearing lubricant. Install bearings and wheel-hub-
brake drum assembly removed previously.
4. Install keyed washer and spindle nut. Proceed as
outlined under “ Front Wheel Bearings - Adjust" in
Section 3.
5. Install tie rod ball stud and if used, steering con­
necting rod ball stud, in steering arm. Be sure that
the dust cover is in place on ball stud.
6 . Install castellated nut on ball stud, tighten to speci­
fications and install cotter pin.
7. Following directions given in Section 3 to check cor­
nering wheel relationship and toe-in; correct as
required.
CHEVROLET TRUCK SERVICE MANUAL