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REAR SUSPENSION AND DRIVE LINE 4-15
ship of parts, then install Spacer J- 7574- 3 over
the partially installed bushing and between the
sides of the control arm.
f. Continue to tighten J- 21058- 8 until bushing is
pulled flush against control arm. Do not exert
undue force against control arm after bushing is
installed. Overtightening of J-21058- 8 will cause
damage to walls of control arm.
g. Disassemble tools and inspect bushing for proper
installation.
Replace the rear bushing as follows:
a. Position Puller Screw J-21058-8 through Re-
mover Adapter J-21830-2 so that head of screw
is opposite button end of remover. Install this
assembly, threaded end of sc'rew first, through
bushing to be removed.
b. Install Receiver J-21830-4 and Bridge J-21830-7
. over screw and against control arm. Position
thrust bearing against J-21830-7 and screw
J-21058-8 snugly against bearing. Install Spacer
J- 2183d- 3 between sides of control arm and over
bushing.
c. Check tool installation for proper alignment and
tighten J-21058-8 to withdraw bushing from con-
trol arm. Refer to Figure 35 for installed view
of tools.
d. Disassemble tools and position Installer Adapter
J-21830-2 on flanged end of new bushing. Posi-
tion bushing in control arm making sure of cor-
rect installation. Small end of bushing will pass
through one side of arm without any interference.
e. Install J-21830-4, J-21830-7, thrust bearing and
J-21058-8 on threaded end of J-21058-15 as
shown in Figure 36. Tighten J-21058 to main-
tain proper relationship of parts; then position
Spacer J- 21830- 3 over bushing and between sides
of control arm.
f. Tighten J-21058-8 until bushing is fully seated
J-21058-8
J-21830-7
J-21830-4
J-21830-3 J-21830-2
\
J-2K
X
D58-8
J-218 30-7
IP
• h e ?
21830-4
J-21830-2
JfSir
J-21830-3
Fig. 35—Lower Control Arm Rear Bushing Removal
(Chevrolet)
Fig. 36—Lower Control Arm Rear Bushing Installation
(Chevrolet)
against side of control arm. Do not apply undue
pressure to J-21058 after bushing is seated--to
do so may cause permanent distortion to control
arm.
g. Disassemble tools and check bushing for proper
installation.
Installation
NOTE:
Make sure control arm is reinstalled
in proper forward attaching position. Reinstall
in same hole as noted during removal. Top
attaching hole is used for all installations except
station wagons and heavy-duty suspension (RPO
F41). Opposite arm must be installed in cor-
responding position.
1. Position the control arm between the mounting
brackets and loosely install the pivot bolt retaining
nuts in the proper position.
2. Install spring and shock absorber as outlined in this
section.
3. Lower vehicle so that weight is placed on sus-
pension components and torque all affected parts to
specifications.
Chevelle Upper and Lower
Removal
NOTE: If both upper control arms and both
lower control arms are to be removed at the
same time, remove both coil springs as outlined
under "Coil Spring Removal".
1. Raise vehicle to a height that will allow axle assem-
bly to hand freely and position supports under both
frame side rails.
2. Support axle assembly with an adjustable lifting de-
vice and raise rear axle assembly until tension is
relieved in control arm being removed.
3. Disconnect control arm at forward and rearward
attaching points and remove from vehicle.
Bushing Replacement
The upper arm front bushing and carrier ear bushings
are of the same part number and are interchangeable.
CHEVROLET CHASSIS SERVICE MANUAL
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