Chevrolet 10 1971 Series Chassis Service Manual page 104

FRONT SUSPENSION 3-4
- 2 °
ACTUAL ANGLE = -1 °
ACTUAL ANGLE = + 2 '
4. Adjust wheel bearings as outlined under Wheel Bear-
ings-Adjust, then lower vehicle to floor.
SHOCK ABSORBER
Removal (Figs. 8 and 9)
1. Raise vehicle on hoist.
2. Remove nuts and eye bolts securing upper and lower
shock absorber eyes.
Remove burr formed by lock washers on
NOTE:
control arm and on frame.
3. Withdraw shock absorber and inspect rubber eye bush­
ings. If defective, replace shock absorber assembly.
Installation
Place shock absorber into position over mounting bolts
or into mounting brackets. Install eye bolts and nuts and
torque as shown in Specifications Section . Lower vehicle
on hoist.
STABILIZER BAR -T Y P IC A L
Removal (Fig. 10)
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 -
CASTER
A L IG N M E N T
R E A D IN G
^ + 1° FRAME
CASTER
+ 2° A L IG N M E N T
R E A D IN G
0° FRAME " B"
Fig. 3— Camber Caster Adjustment
CASTER
- f 2° A L IG N M E N T
+ 3° A L IG N M E N T
ACTUAL ANGLE= +6°
replace where necessary. Use rubber lubricant when
installing bushings over stabilizer bar.
Installation
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. Tighten all nuts and bolts securely.
3. Lower vehicle on hoist.
COIL SPRING
Removal (Fig. 11)
1. Place vehicle on hoist and place jack stands under
frame, allowing control arms to hang free.
2. Disconnect shock absorber at lower end.
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 Adapter J-23028. As
a safety precaution install 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.
6. Lower control arm by slowly releasing the jack until
spring can be removed.
7. Remove spring.
Installation
1. Properly position spring on the control arm, and lift
CASTER
R E A D IN G
+ 3° FRAME
10-30 CHEVROLET TRUCK SERVICE MANUAL