GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2008 🢒 Astra 🢒 Body Repair 🢒 Frame and Underbody 🢒 Lower Control Arm Replacement

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

    3. Object Number: 1940565 Size: LH

    Notice: Do not pry in such a way that the ball joint seal is contacted. Damage to the seal may result.

  3. Remove the ball stud to steering knuckle pinch bolt and nut (1).
  4. Separate the ball stud from the steering knuckle (2).
  5. Remove the lower control arm to frame bolts (3).
  6. Remove the lower control arm from the frame.

Installation Procedure

    Important: Only tighten bolted connection loosely. The bolted lower control arm connection to the front frame is tightened at vehicle trim height.

  1. Install the lower control arm to the front frame.
    2. • Install the 2 new bolts.
    • Install the 2 new nuts.

    Notice: Refer to Fastener Notice in the Preface section.

  2. Install the lower control arm to the steering knuckle.
    3. • Insert the guide joint into the steering knuckle.
    • Install the bolted connection.
    • Use NEW nuts.

    Tighten
    Tighten to 50 N·m (37 lb ft).

  3. Install the wheel. Refer to Tire and Wheel Removal and Installation .
  4. Lower the vehicle.

    5. Important: The vehicle must be standing on wheels, inspection stand or pit.

  5. Tighten the 2 bolted connections, lower control arm to the front frame. Refer to Trim Height Specifications .

    6. Load both front seats with 70 kg (154 lb).

    Tighten
    Tighten the 2 new screw connections for the lower control arm on front frame 90 N·m (67 lb ft) plus 75 degrees, plus 15 degrees.

  6. Road test the vehicle in order to test for leads or pulls. Refer to Wheel Alignment Specifications .