Cobalt 2006-2008, G5 2007

Knuckles

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Raise and support the vehicle.
  4.  
  5. Remove the wheel.

    Click image to see an enlarged view

    Fig. Steering knuckle and related parts

  6.  
  7. Remove the axle shaft nut. Insert a drift or flat-bladed tool into the rotor and against the caliper bracket in order to prevent the rotor from turning while removing the axle nut.
  8.  
  9. Remove the tie rod end nut.
  10.  
  11. Remove the outer tie rod end.
  12.  
  13. Remove the lower ball joint bolt.
    WARNING
    Do not free the ball stud by using a pickle fork or a wedge-type tool. Damage to the seal or bushing may result.

  14.  
  15. Remove the lower ball joint nut.
  16.  
  17. Remove the lower ball joint.
  18.  
  19. Remove the caliper bracket bolts.
    WARNING
    Support the brake caliper with heavy mechanic's wire, or equivalent, whenever it is separated from its mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak.


    NOTE
    Do not disconnect the hydraulic brake flexible hose from the caliper.

  20.  
  21. Remove the front brake rotor.
  22.  
  23. Remove the strut bolts.
  24.  
  25. Remove the wheel bearing bolt.
  26.  
  27. Remove the wheel bearing.
  28.  
  29. Remove the wheel bearing spacer.
  30.  
  31. Remove the steering knuckle.
  32.  
  33. Remove the road test the vehicle to verify alignment.
  34.  
  35. Installation is the reverse of removal. Observe the following torques:

    Hub: 85 ft. lbs. (115 Nm)
     
    Strut: 89 ft. lbs. (120 Nm)
     
    Caliper bracket: 85 ft. lbs. (115 Nm)
     
    Lower ball joint: 37 ft. lbs. (50 Nm); back off nut 3 / 4  turn; tighten to 37 ft. lbs. (50 Nm) plus 30°
     

  36.  

 
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