Upper Control Arm Assembly; Checking Lower Ball Joint; Removing Control Arm Bushing - Chevrolet 10 1971 Series Chassis Service Manual

FRONT SUSPENSION 3-8
Fig. 13— Checking Lower Ball Joint
5. Install the tire and wheel assembly and lower vehicle
to the floor.
Bushing Replacement (Figs. 15 and 16)
1. Remove grease fittings from bushing outer ends and
unscrew bushings from control arm and shaft.
2. Slide new seal on each end of shaft and insert shaft
into control arm.
3. Start new bushings on shaft and into control arm.
Adjust shaft until it is centered in control arm, then
turn bushings in and torque to specifications. Figure
16 shows correct final positioning of shaft. Check
shaft for free rotation and install grease fittings.
Installation
1. Install lower ball stud through steering knuckle and
tighten nut.
Fig. 14— Removing and Installing Ball Joints - Typical
Fig. 15— Removing Control Arm Bushing
2. Install spring and control arm as outlined under
spring installation.
3. Torque lower control arm ball stud to specifications
and install cotter pin.
4. Remove vehicle from hoist.
UPPER CONTROL A R M ASSEMBLY
All control arm attachments are impor­
NOTE:
tant 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 equivalent parts if replace­
ment becomes necessary. Do not use replace­
ment parts of lesser quality or substitute design.
CP 10
CP 20-30
Fig. 16— Positioning Lower Control Arm Shaft
10-30 CHEVROLET TRUCK SERVICE MANUAL