GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 CTS 🢒 Suspension 🢒 Rear Suspension 🢒 Lower Control Arm Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation.

    3. Object Number: 1972280 Size: SH
  3. Remove the lower control arm bolt from the knuckle (1).
  4. Remove the rear coil spring from the lower control arm. Refer to Rear Spring, Insulator, and Jounce Bumper Replacement.

    5. Object Number: 1972555 Size: MH
  5. Remove the lower control arm retaining nut (2).
  6. Remove the lower control arm mounting bolt (1).

    7. Object Number: 1972394 Size: SH
  7. Remove the lower control arm from the vehicle (1).

Installation Procedure

    Object Number: 1972394 Size: SH
  1. Position the lower control arm in the frame (1).

    2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1972555 Size: MH

    Note: In steps 2 through 5, leave all the bolts loose to aide in the alignment of all the suspension components prior the to tighten to the final torque specifications.

  2. Install the lower control arm to frame mounting bolt (1) and nut (2) and tighten to 165 N·m (122 lb ft).
  3. Install the rear coil spring from the lower control arm. Refer to Rear Spring, Insulator, and Jounce Bumper Replacement.

    4. Object Number: 1972280 Size: SH
  4. Install the lower control arm bolt in the knuckle (1) and tighten to 160 N·m (118 lb ft).
  5. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.
  6. Remove the support and lower the vehicle.
  7. Align the rear suspension. Refer to Wheel Alignment Specifications.