Daimler Trucks North America LLC (DTNA) is recalling certain model year 2015 Freightliner Business Class M2, 108SD, 114SD, 122SD, Coronado, Columbia Glider, Argosy Glider, Western Star 4700, and Western Star 4900 trucks manufactured September 17, 2014, to November 10, 2014 equipped with Haldex Life Seal brake chambers. The affected vehicles may experience brake drag due to an improperly seated diaphragm in the brake chamber.
While traveling at highway speeds, brake drag may cause loss of vehicle control, increasing the risk of a crash.
DTNA will notify owners, and dealers will inspect and repair the diaphragm if necessary, free of charge. Owners were sent an interim notice on January 27, 2015. The recall began on September 25, 2015. Owners may contact DTNA customer service at 1-800-745-8000. DTNA's number for this recall is FL-676.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.