Engine maker Cummins Inc. said it would recall up to 3,020 Cummins Westport/ISL G/9999 engines manufactured between Sept. 13, 2007 and Sept. 23, 2015, citing the potential for a leak in the oil supply line near the engine manifold to cause a fire.
Cummins told the National Highway Traffic Safety Administration the affected engines are only in Mack Trucks and Navistar International Corp.'s trucks.
The turbocharger oil supply line on the recalled engines “may contact or interfere with the turbocharger inlet elbow, clean air intake clamp or the air fuel control tube and result in an oil leak,” NHTSA said in a report.
NHTSA said that as of Oct.1 it had not received any reports of fires.
Cummins said it reacted to customers’ concerns and began investigating supply line interference in June.
Meanwhile, the company said since first discovering the issue, it has corrected the potential problem in its current production of the natural-gas engines by using taller fittings and new assembly processes.
Cummins said it introduced the ISL G engine in 2007.
Cummins will notify the truck owners. Its dealers will inspect the trucks, eliminate any interference with the oil supply line and replace it, as necessary, for free, NHTSA said.
The recall is expected to begin Nov. 20.
NHTSA said truck owners may contact Cummins at 1-800-343-7357. Cummins' number for this recall is C1673.
