Cobalt 2006-2008, G5 2007

Brake Drums

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Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Check to ensure that the park brake is fully released.
  4.  
  5. Raise and safely support the vehicle.
  6.  
  7. Remove the tire and wheel assembly.
  8.  
  9. Remove the brake drum.
  10.  
  11. If the brake drum is to be reinstalled to the vehicle, use the J 41013 to clean any rust or corrosion from the hub/flange mating surface of the brake drum. If necessary, carefully remove any corrosion from the edge of the drum braking surface in order to ease installation.
  12.  
  13. Use the J 42450-A tool to clean the wheel hub flange.
  14.  

To install:

  1. If installing a new brake drum, use denatured alcohol or an equivalent approved brake cleaner and a clean shop towel to remove the protective coating from the friction surface of the drum.
  2.  
  3. Install the brake drum.
  4.  
  5. Install the tire and wheel assembly. Tighten lug nuts to 100 ft. lbs (140 Nm).
  6.  
  7. Apply the brakes approximately three times in order to seat and center the brake shoes within the drum.
  8.  
  9. Lower the vehicle.
  10.  

 
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