GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Avalanche - 2WD 🢒 Suspension 🢒 Rear Suspension 🢒 Rear Axle Upper Control Arm Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Support the vehicle at curb height.
  3. Disconnect the electronic suspension control (ESC) sensor, if equipped. Refer to Electronic Suspension Rear Position Sensor Replacement - Left Side or Electronic Suspension Rear Position Sensor Replacement - Right Side.

    4. Object Number: 516277 Size: SH
  4. Remove the upper control arm retaining nut and bolt from the frame bracket.

    5. Object Number: 516271 Size: SH
  5. Remove the upper control arm retaining nut and bolt from the axle bracket.
  6. Remove the upper control arm.

Installation Procedure
  1. Install the upper control arm.

    2. Object Number: 516271 Size: SH
  2. Install the upper control arm retaining bolt and nut to the axle bracket.

    3. Object Number: 516277 Size: SH
  3. Install the upper control arm retaining bolt to the frame bracket.

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

    Note: Do not tighten the nuts unless the suspension is at the curb height position.

  4. Install the upper control arm retaining nut and tighten to 160 N·m (118 lb ft).
  5. Connect the ESC sensor, if equipped. Refer to Electronic Suspension Rear Position Sensor Replacement - Left Side or Electronic Suspension Rear Position Sensor Replacement - Right Side.
  6. Lower the vehicle.