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Lower Control Arm: Installation

NOTE: In order to insure proper orientation of the spring, rest the spring (without insulators) on a flat surface. The spring will stand up straight when resting on its lower end, but will lean or tip when resting on its top end.
  1. Install the spring insulators. Raise transmission jack under the inboard end of the lower control arm in order to slightly compress the spring. Install lower control arm. Install the stabilizer link lower attachment.
  2. Remove transmission jack. Place jack under outboard end of lower control arm to bring suspension to the suspension's design position (ride height). The inner control arm nuts must be tightened with suspension loaded to reduce the wind up in the bushings. See Fig 1.
  3. Tighten the lower control arm inner and outer nuts to specification. See TORQUE SPECIFICATIONS . To complete installation, reverse removal procedures. Tighten fasteners to specification. See TORQUE SPECIFICATIONS .
Fig 1: Removing & Installing Lower Control Arm
G00137938Courtesy of GENERAL MOTORS CORP.