Chevrolet 1977 light duty truck Service Manual page 313

Fig. 3C-32K--Leaf Spring Assembly
NO TE: Slit in bar to fram e bushings should be
facing forward.
1. Place stabilizer in position on fram e and install
fram e brackets over bushings. Install nuts and bolts
loosely.
2. Install brackets over bushings at lower control
arm location. Be sure brackets are positioned properly
over bushings. T orque all nuts and bolts to specifications.
3. Lower vehicle to floor.
LEAF S PR IN G AND B U S H IN G S
Removal
1. Raise vehicle on hoist.
2. Place adjustable lifting device under axle.
3. Position axle so that all tension is relieved from
spring.
4. Remove shackle upper retaining bolt.
5. Remove front spring eye bolt.
6. Remove spring-to-axle u-bolt nuts a n d remove
spring, lower plate and spring pads.
7. Remove shackle to spring bolt an d remove
bushings and shackle.
Bushing R eplacem ent
1. Place spring on press and press out bushing
using a suitable rod, pipe, or tool.
2. Press in new bushing; assure that tool presses on
steel outer shell o f bushing.
protrudes an equal am ount on each side o f spring.
Spring Inserts (Liners) or Leaf R eplacem ent
1. Place spring in vise and remove clips.
2. Remove center bolt. Open vise slowly, allowing
spring to expand.
3. W ire brush, clean, and
leaves.
4. Replace leaf or liners.
Installation
CAUTION: See CA U TIO N note on page one o f
this section regarding the fa steners referred to
in steps 5 and 6.
1. Install spring shackle bushings into spring and
attach shackle. Do not tighten bolt.
2. Position spring upper cushion on spring.
3. Insert front o f spring into frame and install
bolt. Do not tighten.
4. Install shackle bushings into fram e and attach
rear shackle. Do not tighten bolt.
5. Install lower spring pad and spring retainer
plate. Torque bolts to specifications.
6. Torque front and rear spring eye and shackle
bolts to specifications.
7. Remove stands and lower vehicle to floor.
Install until bushing
inspect for broken