Engine
Problem: On certain trucks built with cummins isc and isl engines, plugs were assembled incorrectly creating stress and cracks which could cause an oil leak.
Original NHTSA wording
ON CERTAIN TRUCKS BUILT WITH CUMMINS ISC AND ISL ENGINES, PLUGS WERE ASSEMBLED INCORRECTLY CREATING STRESS AND CRACKS WHICH COULD CAUSE AN OIL LEAK.
Risk: This oil leakage has the potential to ignite and cause a fire in the engine compartment of the vehicle.
Original NHTSA wording
THIS OIL LEAKAGE HAS THE POTENTIAL TO IGNITE AND CAUSE A FIRE IN THE ENGINE COMPARTMENT OF THE VEHICLE.
Remedy & notes
Cummins will notify owners and arrange for installation of a steel cup plug boss cap. Owners should contact cummins at 1-800-343-7357.
Kenworth recall no. 04KW4 & Peterbilt recall no. 804-D.customers can also contact the national highway traffic safety administration's auto safety hotline at 1-888-DASH-2-DOT (1-888-327-4236).