On certain medium duty trucks equipped with zf model 8018 steering gears, the steering gear may have been produced incorrectly. A steering gear with this condition may produce the feeling of hitting a curb and a cracking or pinging sound when the steering wheel is turned.
Dealers will inspect for certain date codes and verify the mileage on steering gears and replace gears as necessary. The recall began on October 25, 2007. Owners may contact Chevrolet at 1-800-630-2438; GMC at 1-866-996-9463; or Isuzu at 1-800-255-6727.
