Lower Control Arm Assembly; Upper Control Arm Assembly; Loosening Ball Joint Stud-Typical; Removing Inner Pivot Shaft - Chevrolet CHEVY VAN G10 SERIES Service Manual

7. Remove spring.
Installation
1. Properly position spring on the con tro l arm , and lift
control arm .
2. Position control arm cross-shaft to crossm em ber and
install " U" bolts and attaching nuts. Make certain front
indexing hole in cross-shaft is lined up w ith crossm em ber
attaching saddle stud.
3. T orque n u t to specifications.
4. Install shock absorber to low er con tro l arm and install
stabilizer bar if so equipped.
5. Remove tool.
6
. Low er vehicle to floor.

LOWER CONTROL ARM ASSEMBLY

C A U T IO N : A ll control arm attachments are im ­
portant attaching parts in th at they could affect the
performance o f vital components and systems, and/
or could result in major repair expense. They must
be replaced w ith parts o f the same part numbers or
w ith equivalent parts if replacement becomes neces­
sary. Do not use replacement parts of lesser quality
or substitute design. Torque values must be used as
specified during reassembly to assure proper re­
tention of these parts.
Removal
1. Place vehicle on hoist and remove spring as outlined
under spring removal.
2. Remove c o tte r pin from low er ball stu d and loosen stud
n u t until to p o f n u t is slightly above to p o f the stud.
3. Install Ball Stud Rem over J-23742, position — large
cup end o f the tool over the upper ball stud n u t and
piloting th e threaded end o f to ol on end o f the low er ball
stud. E xtend bolt from T ool J-23742 to loosen low er ball
stud in steering knuckle. When stud is loosened, remove
tool and n u t from low er stud.
4. Remove control arm.
Fig. 9 —Loosening Ball Joint Stud-Typical
Installation
1. Install lower ball stud through steering knuckle and
tighten nut.
2. Install spring an d control arm as outlined u nder spring
installation.
3. Torque low er co ntro l arm ball stud to specifications and
install new co tter pin.
4. Low er vehicle to floor.

UPPER CONTROL ARM ASSEMBLY

C A U T IO N : A ll control arm attachments are im ­
portant attaching parts in th at they could affect the
performance o f vital components and systems, and/
or could result in major repair expense. They must
be replaced w ith parts of the same part numbers or
w ith equivalent parts if replacement becomes neces­
sary. Do not use replacement parts of lesser quality
or substitute design. Torque values must be used as
specified during reassembly to assure proper re­
tention of these parts.
Removal
1. Place vehicle o n hoist, remove wheel and tire assembly
an d support low er co ntro l arm assembly w ith adjustable
jackstand.
2. Remove c o tte r pin from upper control arm ball stud and
loosen stud n u t one turn.
3. Loosen upper con tro l arm ball stud in steering knuckle,
using T o o l - 237 42 position as show n in Figure 10.
Remove th e n u t from th e ball stud and raise u pper arm
to clear steering knuckle.
4. Remove n u ts securing co n tro l arm shaft to fram e. With­
draw control arm assembly.
Fig. 1 0 - Removing Inner Pivot Shaft
FRO NT SUSPENSION 3-7
C H E V Y V A N SH O P M A N U A L