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Home >> Chevrolet >> 2006 >> Impala SS >> Repair and Diagnosis >> External Pages >> Different car >> Section 522 (Front Suspension System) >> Repair Instructions >> Lower Control Arm Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the lower control arm.
    Fig 1: View Of Lower Control Arm
    GM156958Courtesy of GENERAL MOTORS CORP.
  2. Install the control arm bolts and nuts. Do not tighten at this time.
  3. Install the ball stud to the knuckle.
    IMPORTANT: Align the ball stud cotter pin hole parallel to the knuckle in order to ease the cotter pin installation.
  4. Install the ball stud castle nut.

    Tighten:  Tighten the ball stud castle nut to 20 N.m + 120 degrees (15 lb ft + 120 degrees).

    NOTE: Refer to Fastener Notice .
    IMPORTANT: Verify the nut is torqued to a minimum of 55 N.m.
  5. If necessary, tighten the ball stud castle nut in order to align the ball stud castle nut slot (1) to the ball stud cotter pin hole (2), as shown.
    Fig 2: Aligning Ball Stud Castle Nut Slot To The Ball Stud Cotter Pin Hole
    GM384426Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do NOT loosen the ball stud nut in order to align the ball stud nut slots to the ball stud cotter pin hole.
  6. Install a NEW cotter pin and bend the ends as shown in either example.
    Fig 3: Securing Cotter Pin In Ball Joint Castle Nut
    GM384428Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Ensure that the cotter pin ends do NOT contact the ABS wheel speed sensor, the ABS sensor connector, or the drive axle.
  7. Install the stabilizer shaft link. Refer to Stabilizer Shaft Link Replacement .
  8. Install the ABS wheel speed sensor jumper harness to the harness retainer clips, if equipped.
  9. Install the ABS wheel speed sensor connector (2), if equipped.
    Fig 4: View Of Wheel Speed Sensor, Connector And Harness
    GM188809Courtesy of GENERAL MOTORS CORP.
  10. Install the lower control arm nuts.

    Tighten:  Tighten the lower control arm nuts to 125 N.m (92 lb ft).

    IMPORTANT: This is a prevailing torque type fastener. This fastener may be reused ONLY if:
    • The fastener and its counterpart are clean and free from rust.
    • The fastener develops 3 N.m (27 lb in) of torque against its counterpart prior to the fastener seating.

    If the fastener does not meet these criteria, REPLACE the fastener.
  11. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation .
  12. Lower the vehicle.