CUMMINS ISL Recalls

Jun 22, 2021 – Cummins, Inc. (Cummins) is recalling certain ISL remanufactured diesel engines sold as replacement equipment. Please see the Part 573 report for a full list of part numbers. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel rail assembly to leak.

Sep 08, 2015 – Cummins Inc. (Cummins) is recalling certain ISB6.7, ISL9, ISX12 and ISX15 engines. The affected engines have an Engine Control Module (ECM) that may short circuit and blow a fuse resulting in the engine stalling without warning.

Aug 08, 2011 – 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.

Jul 21, 2009 – CUMMINS IS RECALLING 912 ISB CM2150, ISC CM2150, ISL CM2150, ISM CM876, AND ISX CM871 MODEL DIESEL ENGINES INSTALLED AS ORIGINAL EQUIPMENT IN VARIOUS EMERGENCY VEHICLES. THE VEHICLES MAY BE DESIGNED WITH A HARD WIRED, DASH-MOUNTED SWITCH THAT ENABLES THE VEHICLE OPERATOR TO INHIBIT AFTERTREATMENT DIESEL PARTICULATE FILTER REGENERATION IN ENVIRONMENTS WHERE THE OPERATOR BELIEVES IT MAY BE UNSAFE FOR ELEVATED EXHAUST TEMPERATURES. DUE TO AN ISSUE WITH THE LOGIC IN THE ECM SOFTWARE IN THESE ENGINES, THE SWITCH MAY NOT FUNCTION CORRECTLY, LEADING THE OPERATOR TO BELIEVE THAT THE SWITCH IS IN "INHIBIT" MODE WHEN IT IS NOT.

Jun 04, 2007 – CERTAIN ISL CUMMINS CM850 DIESEL ENGINES PRODUCED FOR RECREATIONAL VEHICLE APPLICATIONS BETWEEN OCTOBER 17, 2005, AND APRIL 18, 2006, WITH ENGINE SERIAL NUMBER RANGE FROM 46543077 TO 46603939. THE CONNECTING ROD CONTAINS A MACHINING DEFECT IN THE WRIST PIN BUSHING OF THE ROD THAT COULD CAUSE SEIZURE OF THE PISTON PIN.

May 08, 2006 – ALL CUMMINS ISL CM850 DIESEL ENGINES INSTALLED AS ORIGINAL EQUIPMENT ON EMERGENCY VEHICLES BETWEEN OCTOBER 17, 2005, AND APRIL 6, 2006, WITH ENGINE SERIAL NUMBER RANGE FROM 46542688 TO 46601872. THE CONNECTING RODS WHICH TRANSFER ENERGY FROM THE PISTON TO THE CRANKSHAFT ARE DEFECTIVE AND CAN RESULT IN SEIZURE OF THE PISTON PIN. A PISTON PIN SEIZURE CAN RESULT IN A MISSION-DISABLING ENGINE FAILURE.

Aug 09, 2004 – CERTAIN CUMMINS 8.3L AND 8.9L ISC AND ISL DIESEL ENGINES P/N 3970750 AND 3971391 BUILT FOR USE ON SCHOOL BUSES, TRANSIT BUSES, EMERGENCY AND RECREATIONAL VEHICLES BETWEEN THE DATES OF DECEMBER 12, 2003 THROUGH APRIL 12, 2004. OIL CAN LEAK INTO THE ENGINE COMPARTMENT FROM A CRACK IN THE CUP PLUG.