Chevrolet 30 Series 1967 Service Manual page 141

4. Lower vehicle and check front end alignment and
adjust where necessary.
Steering Knuckle/Steering Arm
NOTE:
It is recommended that vehicle be
raised and supported on a twin-post hoist so that
the front coil spring remains compressed, yet
the wheel and steering knuckle assembly remain
accessible. If a frame hoist is used, support
lower control arm with an adjustable jackstand
to safely retain spring in its
position.
Removal
1. Raise vehicle and support lower control arm as noted
above.
2. Remove hub cap, wheel hub dust cover, cotter pin ad­
justing nut and washer, withdraw wheel and tire,
brake drum, and wheel hub and bearing assembly
from steering knuckle spindle.
3. Disengage brake shoe return springs and remove
brake shoe hold-down clips.
from backing plate.
CAUTION:
Keep brake shoes clean and dry.
4. Remove brake anchor pin and two bolts securing
brake backing plate and steering arm to steering
knuckle.
5. Withdraw steering arm and brake backing plate from
steering knuckle. Wire backing plate to frame.
not disconnect brake line.
NOTE:
Refer to Section 9-Steering, for further
steering arm service operations.
. Remove upper and lower ball stud cotter pins and
6
remove ball stud nuts.
ball studs by rapping steering knuckle bosses. With­
draw steering knuckle.
Installation
1. Place steering knuckle in position and insert upper
and lower ball studs into knuckle bosses.
2. Install ball stud nuts and tighten as follows: Upper
nuts 70 lb. ft. CP10, 120 lb. ft. C20-30; lower nuts
120 lb. ft. CP10, 215 lb. ft. C20-30.
3. Place brake backing plate and wheel cylinder in posi­
tion on steering knuckle and insert anchor pin.
F ig . 27 - Suspension Crossmember
curb height
Remove brake shoes
Do
Free steering knuckle from
4. Place steering arm in position on back of steering
knuckle and insert two bolts through backing plate,
steering knuckle and steering arm. Install lock nuts
and tighten 80 lb. ft. CP10, 105 lb. ft. C20-30.
5. Torque brake anchor pin to 65 ft. lbs.
. Install brake shoes, brake shoe hold-down clips and
6
return springs.
7. Install wheel hub, brake drum, wheel and tire assem­
bly over spindle.
. Insert outer wheel bearing race and roller assembly,
8
washer and nut. Adjust front wheel bearing as shown
under Maintenance and Adjustments in this section.
Install new cotter pin, dust cap and hub cap.
9. Lower vehicle, recheck and readjust wheel alignment
where necessary.
Crossmember and Suspension Unit— Figure 27
Component parts of the front suspension may be serv­
iced separately as outlined in the preceding service op­
erations. However, if extensive service is to be per­
formed to crossmember, frame, etc., the unit can be
removed and installed as follows:
Removal
1. Remove front springs as outlined under Spring-
Removal.
2. Support engine and remove front engine mount center
bolt.
3. Separate main brake feeder line from crossmember
tee.
4. Remove bolts retaining crossmember hangers to
frame side rails.
5. Remove bolts securing crossmember to frame side
rail lower flange and lower the assembly from
vehicle.
F ig . 28 - P20-30 Sta b ilize r
FRONT SUSPENSION 3-13
CHEVROLET TRUCK SERVICE M ANUAL