Auxiliary Spring; Leaf Springs - Chevrolet 10 1971 Series Chassis Service Manual

the notch as shown in Figure 9 so that it seats freely
on spring end without any hang-up and locate over
bolt hole in control arm.
2. Pass clamp bolt with washer up through hole in con­
trol arm and loosely install nut.
3. Position upper clamp inside spring and install bolt
and washer. Torque nut to specifications.
4. Connect shock absorber to control arm bracket--
torque nut to specifications.
5. Torque spring lower clamp bolt to specifications.
Remove jack.
6. Lower vehicle and remove from hoist0

Auxiliary Spring

All spring attachments, including center
NOTE:
bolts, are important attaching parts in that they
could affect the performance of vital components
and systems, and/or could result in major
repair expense. They must be replaced with
parts of the same part numbers or with equiva­
lent parts if replacement becomes necessary.
Do not use replacement parts of lesser quality
or substitute design. Torque values must be
used as specified during reassembly to assure
proper retention of these parts.
1. Position auxiliary spring bumper between the control
arm and the axle housing. Align holes in spring
bracket with those in the control arm; position shock
absorber bracket to underside of control arm; install
" U*'
bolt over axle and through auxiliary spring
bracket control arm and shock absorber bracket;
install and alternately torque "U " bolt retaining nuts
to specifications.
2. Position auxiliary spring assembly in frame mounted
bracket so that free end of spring is positioned above
bumper and align spring-to-bracket bolt holeSo In­
stall bolt with washer through top side of bracket
then install nut and washer to through bolt. Torque
nut to 370 ft. lbs. and install cotter pin.
12—
Fig. Leaf Spring Installation— Series
with Auxiliary Spring Shown
LEAF SPRING (Fig. 12, 13)
Removal
1. Raise vehicle on hoist so that tension in spring is
2„ Loosen, but do not remove, spring-to-shackle retain­
3. Remove nut and bolt securing shackle to spring
30 11,000
lb. Axle
REAR SUSPENSION AND DRIVE LINE 4-5
Fig. 13— Leaf Spring In stallatio n (Series 10-20)
All spring attachments, including center
NOTE:
bolts, are important attaching parts in that they
could affect the performance of vital components
and systems, and/or could result in major re­
pair expense. They must be replaced with parts
of the same part numbers or with equivalent
parts if replacement becomes necessary. Do not
use replacement parts of lesser quality or sub­
stitute design. Torque values must be used as
specified during reassembly to assure proper
retention of these parts.
relieved.
ing nut.
hanger.
Fig. 14— Pressing O u t Bushing
10-30 CHEVROLET TRUCK SERVICE MANUAL