G6 2005-2007

Lower Control Arms

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Removal & Installation



  1. Raise and support the vehicle.
  2.  
  3. Remove the wheel.
    WARNING
    DO NOT re-use the lower ball joint bolt. Discard and use new only.

  4.  
  5. Remove the lower ball joint to knuckle nut and bolt.
  6.  
  7. Separate the lower control arm from the knuckle.
  8.  
  9. If removing the left lower control arm, refer to the following:

    For vehicles equipped with the 4T45-E transmission, remove the left side transmission mount.
     
    For vehicles equipped with the 4T65-E transmission, remove the left side transmission mount.
     
    For vehicles equipped with the 6T70/6T75 transmission, remove the left side transmission mount.
     

  10.  
  11. If removing the right lower control arm, refer to the following:

    For vehicles equipped with the 3.5L engine, remove the right engine mount.
     
    For vehicles equipped with the 3.6L engine, remove the right engine mount.
     
    For vehicles equipped with the 3.9L engine, remove the right engine mount.
     

  12.  
  13. Remove the front lower control arm bolt.
  14.  
  15. Remove the rear lower control arm bushing nuts and bolts.
  16.  
  17. Remove the control arm from the cradle
  18.  

To install:

Click image to see an enlarged view

Fig. Front lower control arm mounting to cradle-G6

  1. Position the lower control arm in the cradle.
  2.  
  3. Install and hand tighten the rear lower control arm bushing nuts and bolts.
  4.  
  5. Install and hand tighten the front lower control arm bolt.
  6.  
  7. Install the ball joint to knuckle bolt and nut.
  8.  
  9. Tighten the ball joint bolt and nut to 37 ft. lbs. (50 Nm). Reverse the nut 3 / 4 of a turn. Tighten to 37 ft. lbs. (50 Nm) plus 30 degrees.
  10.  
  11. Load the front suspension with the proper jack stand before tightening bolts to the following specifications:

    Tighten the lower control arm bolt to 37 ft. lbs. (50 Nm). plus 90 degrees.
     
    Tighten the rear bushing to frame bolts to 37 ft. lbs. (50 Nm). plus 90 degrees.
     

  12.  
  13. Remove the jack stand.
  14.  
  15. If installing the left lower control arm, refer to the following:

    For vehicles equipped with the 4T45-E transmission, remove the left side transmission mount
     
    For vehicles equipped with the 4T65-E transmission, remove the left side transmission mount.
     
    For vehicles equipped with the 6T70/6T75 transmission, remove the left side transmission mount.
     

  16.  
  17. If installing the right lower control arm, refer to the following:

    For vehicles equipped with the 3.5L engine, remove the right engine mount.
     
    For vehicles equipped with the 3.6L engine, remove the right engine mount.
     
    For vehicles equipped with the 3.9L engine, remove the right engine mount.
     

  18.  
  19. Install the tire and wheel.
  20.  
  21. Verify wheel alignment.
  22.  
  23. Remove the support and lower the vehicle.
  24.  

 
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