Chevrolet 30 Series 1967 Service Manual page 144

FRONT SUSPENSION 3-16
J-21058-8
J-21058-7
F ig . 3 4 - Removing Spring Eye Bushing
NOTE: Outer shell of bushing must be flush
with spring eye to ensure proper alignment of
spring with spring hanger.
3. Disassemble and remove bushing installation tools.
NOTE: Install bushing so that it is flush with
spring leaf.
Shackle Replacement
The spring rear shackle details are shown in Figure
Components may be serviced with the spring installed in
the vehicle or when the spring is removed. Inspect
shackle components and replace parts as required.
assemble parts as shown in Figure
Spring Leaf Replacement
1. Place spring assembly in a bench vise and remove
spring clips by removing clips.
2. Position spring in vise jaws, compressing leaves at
center and adjacent to center bolt.
3. File peened end of center bolt and remove center bolt
nut. Open vise slowly to allow spring assembly to
expand.
Replace spring leaf as required, also replace any de­
4.
fective spring leaf inserts at this time.
5. Align center holes in spring by means of a drift and
compress spring leaves in a vise.
. Remove drift from center hole and install a new cen­
6
ter bolt - peen bolt to retain nut.
J-21058-6
J-21058-8
F ig . 35 - Installing Spring Eye Bushing
J-21058-6 ■J-22620-2
Re­
4.
7. Align spring leaves by tapping with hammer, then
bend spring clips into place.
IMOTE:
Spring clips should be tightened suffi­
ciently to maintain alignment, but not tight
enough to bind spring action.
Installation
1. Position spring assembly under vehicle so that head
of center bolt is indexed in axle spring seat.
2. Loosely install spring-to-axle "U" bolts.
3. Position spring to front and rear hangers, install eye
bolts and loosely install eye bolt nuts.
Lower vehicle to floor and bounce front of vehicle
4.
several times to allow bushings to center in hangers.
Then torque all spring bolts to specifications.
4.
FRONT HANGER
F ig . 36 - P20-30 Spring and Bushings
Spring
P20-30—Figure 36
Removal
1. Disconnect shock absorber from U bolt spacer
bracket.
2. Remove front U bolt and swing stabilizer link bracket
away from axle.
3. Raise front of vehicle high enough to take weight off
spring, then remove remaining (rear) U bolt and
U bolt spacer.
Remove lube fittings from shackle pins and bracket
4.
bolt. Remove nuts and lockwashers from shackle
pins, then remove shackle plates and seals.
threaded shackle pins from threaded bushings.
5. At front bracket, remove lock nut from bracket bolt,
and turn bracket bolt out of threads. Pull bolt out
and remove spring assembly.
Inspection
Inspect all bushings for excessive wear, check spring
leaves for breaks and spring clips for tightness.
REAR SHACKLE
Remove
CHEVROLET TRUCK SERVICE M ANUAL