Vehicle Make / Model:

Model Year(s):

TIFFIN / ALLEGRO 2011
TIFFIN / PHAETON 2011

Manufacturer: TIFFIN MOTORHOMES, INC.

Mfr's Report Date: NOV 02, 2011

NHTSA CAMPAIGN ID Number: 11V547000

NHTSA Action Number: N/A

Component: ENGINE AND ENGINE COOLING

Potential Number of Units Affected: 279

Summary:
TIFFIN MOTORHOMES, INC. (TIFFIN) IS RECALLING CERTAIN MODEL YEAR 2011 ALLEGRO AND PHAETON RECREATIONAL VEHICLES BUILT ON FREIGHTLINER CHASSIS AND EQUIPPED WITH A CUMMINS ISC, ISX, ISM, 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.

Consequence:
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.

Remedy:
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. THE SAFETY RECALL BEGAN OCTOBER 10, 2011. OWNERS MAY CONTACT CUMMINS AT 1-812-377-5000 OR TIFFIN AT 1-256-356-8661.