FixVault

Lower Control Arm Replacement

Fig 1: Lower Control Arm
GM2370736Courtesy of GENERAL MOTORS COMPANY
Lower Control Arm Replacement

Callout Component Name

Preliminary Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  3. Remove the wheel house splash shield. Refer to Front Wheelhouse Front Liner Replacement .
  4. If servicing the right lower control arm, reposition the heater water auxiliary pump and bracket to the side. DO NOT drain the cooling system. Refer to Heater Water Auxiliary Pump Replacement .
1 Front Lower Control Arm Rear Nut (Qty: 2)
2 Front Lower Control Arm Rear Bolt (Qty: 2)
CAUTION:

Refer to Fastener Caution .


Procedure 
DO NOT re-use the bolts. Discard and replace with NEW only.
Tighten 
  • First Pass: 70 N.m (52 lb ft)
  • Final Pass: plus 80 degrees
3 Front Lower Control Arm Front Nut
4 Front Lower Control Arm Front Bolt
Procedure 
DO NOT re-use the bolts. Discard and replace with NEW only.
Raise front lower control arm to trim height.
Tighten 
  • First Pass: 70 N.m (52 lb ft)
  • Final Pass: plus 80 degrees
5 Front Lower Control Arm

Procedure

  1. Remove the speed sensor electrical harness from the front lower control arm.
  2. Remove the lower control arm from the knuckle. Refer to Steering Knuckle Replacement .
  3. NOTE:

    If removing the lower control arm to service the lower control arm bushing, loosen the bolt before removing the lower control arm.

  4. If removing the lower control arm to service the bushing, refer to Front Lower Control Arm Bushing Replacement .
  5. Check and adjust the front camber. Refer to Front Camber Adjustment .