NHTSA Campaign 11E031000

ENGINE AND ENGINE COOLING

Issued by CUMMINS INC. · Reported Aug 8, 2011 · 11,860 vehicles affected

What's wrong

CUMMINS IS RECALLING CERTAIN ISB6.7, ISC8.3, ISL9, ISX11.9, AND ISX15 ENGINES SHIPPED FROM SEPTEMBER 2010 THROUGH DECEMBER 2010 TO VARIOUS VEHICLE MANUFACTURERS. THESE ENGINES WERE INSTALLED IN RECREATIONAL VEHICLES, EMERGENCY VEHICLES, BUSES, AND CERTAIN TRUCK APPLICATIONS. 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

CUMMINS IS WORKING WITH THE VEHICLE MANUFACTURERS TO IDENTIFY AND NOTIFY OWNERS. THE SAFETY RECALL BEGAN ON OCTOBER 10, 2011. OWNERS MAY CONTACT CUMMINS AT 1-812-377-5000 OR THEIR VEHICLE MANUFACTURER.

Vehicles affected by this recall

Make Model Year Units
CUMMINS ISB6.7 11,860
CUMMINS ISC8.3 11,860
CUMMINS ISL9 11,860
CUMMINS ISX11.9 11,860
CUMMINS ISX15 11,860

Source: NHTSA Campaign 11E031000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.