GM Corsica/Beretta 1988-1996 Repair Guide

Lower Control Arm

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REMOVAL & INSTALLATION



1988-90 Vehicles

See Figure 1

  1. Raise and safely support the front of the vehicle. Remove the wheel and tire assembly.
  2.  
  3. Disconnect the stabilizer bar from the control arm and/or support, as outliner earlier in this section.
  4.  
  5. Separate the ball joint from the steering knuckle using tool J 29330 or equivalent.
  6.  
  7. Remove the 2 control arm-to-support bolts, then remove the control arm from the vehicle.
  8.  
  9. If control arm support bar removal is necessary, unscrew the 6 mounting bolts and remove the support.
  10.  



Click image to see an enlarged view

Fig. Fig. 1: When installing the lower control arm (front suspension support), always follow the proper tightening sequence

To install:
  1. Installation is the reverse of the removal procedure.
  2.  
  3. Tighten the control arm support rail bolts in the sequence shown in the accompanying figure.
  4.  
  5. Have a reputable repair shop check the toe and adjust as necessary.
  6.  

1991-96 Vehicles

See Figure 2

  1. Break the lug nuts loose, then raise and safely support the vehicle.
    1. Place jackstands under the suspension supports.
    2.  
    3. Carefully lower the vehicle slightly so the weight of the vehicle rest on the suspension supports and NOT on the control arms.
    4.  

  2.  
  3. Remove the wheel and tire.
  4.  


WARNING
Care must be taken not to allow the tri-pot joints from being over extended when either end of the shaft is disconnected. Over extension could result in separation of the internal components.

  1. Install modified inner drive axle seal protector J 34754, to prevent possible boot damage.
  2.  
  3. Remove the cotter pin and nut from the ball joint and separate the ball joint from the steering knuckle, using tool J 29330 or equivalent. Discard the cotter pin.
  4.  


WARNING
Failure to use the recommended tool could result in ball joint and seal damage.

  1. On 1991 models equipped with the 2.3L engine only, install overhead engine support, J 28467-A or equivalent and remove the nuts attaching the front engine mount crossmember to the suspension support.
  2.  
  3. Remove the bolts attaching the suspension support to the vehicle.
  4.  
  5. Remove the bolts attaching the control arm to the suspension support.
  6.