2011 TIFFIN ALLEGRO BUS

VISIBILITY:WINDSHIELD WIPER/WASHER

Tiffin Motorhomes, Inc. (Tiffin) is recalling certain model year 2007-2011 Allegro, Allegro Bus, Phaeton, and Zephyr motorhomes, 2007-2010 Allegro Bay motorhomes, and 2010-2011 Allegro Breeze motorhomes. The windshield wiper arms on the affected vehicles may break off.

Risk: If the windshield wiper arms break, the driver's visibility may be reduced, increasing the risk of a crash.

STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS

Tiffin Motorhomes is recalling certain model year 2010-2013 Allegro Bus motorcoaches, manufactured from March 2010, through September 2012 and equipped with a Cummins EPA 2010 ISL engine. Insufficient shielding between the exhaust pipe and floor may cause possible overheating of the floor above the engine compartment.

Risk: If the exhaust pipe in the engine compartment were to fail, the escaping exhaust gases could make the floor area above the engine extremely hot, increasing the risk of personal injury or possibly resulting in a fire.

ENGINE AND ENGINE COOLING

TIFFIN MOTORHOMES IS RECALLING CERTAIN MODEL YEAR 2011 ALLEGRO BUS AND PHAETON RECREATIONAL VEHICLES BUILT ON THE POWERGLIDE CHASSIS EQUIPPED WITH A CUMMINS ISX OR ISL 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 WHICH 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.

Risk: 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.