Chevrolet 1980 Light Duty Truck Service Manual page 283

STABILIZER BAR
Removal (Fig. 3C-16)
1. Raise vehicle on hoist and remove nuts and bolts
attaching stabilizer brackets and bushings at frame location.
2. Remove brackets and bushings at lower control
arms and remove stabilizer from vehicle.
Inspection
Inspect rubber bushings for excessive wear or aging-
replace where necessary. Use rubber lubricant when
installing bushings over stabilizer bar.
Installation
See NOTICE on page 1 of this section
NOTICE:
regarding the fasteners referred to in step 2.
Slit in bar to frame bushings should be facing forward.
1. Place stabilizer in position on frame and install
frame 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. Torque all nuts and bolts to specifications.
Fig. 3 C -1 6 -S ta b iliz e r Bar - C, P and G T ypical
FRONT SUSPENSION
J-23028
Fig. 3C-1 7~Removing Coil Spring with Tool J-23028
3. Lower vehicle to floor.
COIL SPRING
Removal (Fig. 3C-17)
1. Place vehicle on hoist and place jack stands under
frame, allowing control arms to hang free.
2. Disconnect shock absorber at lower end and move
aside. Disconnect the stabilizer bar attachments to the lower
control arm.
3. Bolt Tool J-23028 to a suitable jack.
4. Place tool under cross-shaft so that the cross-shaft
seats in the grooves of the tool. As a safety precaution install
and secure a chain through the spring and lower control
arm.
5. Raise the jack to remove tension on the lower
control arm cross-shaft and remove the two "U" bolts
securing the cross-shaft to crossmember. The crosshaft and
lower control arm keeps the coil spring compressed. Use
care when lowering.
6. Lower control arm by slowly releasing the jack until
spring can be removed. Be sure all compression is relieved
from spring.
7. Remove spring.
Installation
See NOTICE on page 1 of this section
NOTICE:
regarding the fasteners referred to steps 3 and 4.
1. Properly position spring on the control arm, and lift
control arm using jack and tool J-23028.
Some models are equipped with air cylinders in the coil
springs. These cylinders should be checked for leaks and
damage at this time. Air pressure in these cylinders should
be 40 PSI + 10.
2. Position control arm cross-shaft to crossmember
and install "U" bolts and attaching nuts. Make certain front
indexing hole in cross-shaft is lined up with crossmember
attaching saddle stud.
3. Torque nut to specifications.
4. Install shock absorber to lower control arm and
install stabilizer bar.
3C-15
LIG H T T R U C K SER V IC E M AN UAL