From...
http://www.rv-recalls.com/?p=16
"Gulf Stream is recalling 29 MY 2006-2007 Crescendo, Tourmaster and Friendship motorhomes built on Freightliner custom chassis with certain Detroit Diesel MBE 900 EPA 04 engines. The high pressure fuel lines and transfer tubes may fatigue and fracture. A fractured fuel line may leak diesel fuel possibly resulting in a fire or fuel may be spilled on the road causing a slippery surface, possibly resulting in a vehicle crash. Gulf Stream is working with Detroit Diesel and will repair vehicles with a more robust line and vibration dampers free of charge please see 08V-668. The recall is expected to begin during May 2009. Owners may contact Detroit Diesel 1- 313-592-3708 or Gulf Stream at 574-289-8787."