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WASHINGTON -- According to NHTSA Recall 12V048000, Tiffin is potentially recalling 13 certain Model Year 2011, 2012 and 2013 recreational vehicles, models Phaeton and Zephyr, equipped with a Cummins ISB, ISC, ISL or ISX diesel engine.
The V-band clamp assembly, part numbers q187684, q187685, and q187686, used to connect the inlet and outlet cone sections to the diesel oxidation catalyst (DOC)/diesel particulate filter (DPF) include a T-bolt that can fracture and fail when subjected to stress or load. A fracture or failure of the T-bolt may cause the clamp to loosen and the inlet or outlet sections attached to the DOC/DPF housing to disconnect. If the inlet or outlet sections disconnect, hot exhaust gases can vent prior to exiting the tailpipe, creating the risk of combustion and a fire. If both clamps fail, there is a risk in some applications that the DOC/DPF housing may detach completely, creating a road hazard.
Tiffin is working with Cummins to identify and notify owners of the recall campaign. Repairs will be performed by authorized Cummins dealers free of charge.
Owners may contact Cummins at 812-377-5000 or Tiffin at 256-356-8661. Cummins recall campaign number is c1154. Owners may also contact the National Highway Traffic Safety Administration's Vehicle Safety Hotline at 888-327-4236 (TTY 800-424-9153), or go to www.safercar.gov.
SOURCE: NHTSA