Daimler Trucks North America (DTNA) is recalling certain model year 2012 Cascadia and Coronado tractor trailers manufactured from August 1, 2011, through December 30, 2011, equipped with Thermo King TriPac Auxiliary Power Units (APU), serial numbers 3000106335 to 3000127584, manufactured from July 29, 2011, through November 7, 2011. The maintenance access panel door on the bottom of the APU may dislodge and separate.
If the door separates from the APU while the vehicle is being driven, it may create a road hazard for other drivers.
DTNA will notify owners, and Thermo King dealers will inspect the APUs and replace any of the affected panel doors free of charge. The recall began February 25, 2013. Owners may contact DTNA at 1-800-547-0712.
DTNA's recall campaign number is FL-637.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.