Navistar Recalls Cummins-Powered Trucks for Fuel Line Issue

October 04, 2018 by Alan Adler, @AlanAdler

Navistar, Inc. is recalling 26,288 heavy-duty trucks with certain Cummins diesel engines because the fuel lines could burst during downhill driving, leading to a possible engine stall and fuel spill.

Six Navistar models are included in the recall. Most are 2018-19 International LT models. The others include 2017-18 International ProStar and 9900i; 2017-19 International LoneStar and HX trucks; and 2017 International PayStar trucks equipped with defective Cummins ISX15 and X15 diesel engines.

Bursting could result from the fuel pump cooling circuit screens becoming clogged by debris from filtration material.

The Navistar action was prompted by Cummins Inc.’s Aug. 10 recall. The engine maker sold a portion of the 91,286 defective engines to Daimler Trucks North America, Volvo Trucks of North America and Paccar Inc.

Cummins suspects that 2 percent of the recalled engines have the problem.

Cummins told the National Highway Traffic Safety Administration that as of Aug. 3, it was unaware of any related crashes or injuries. It received its first report of a ruptured fuel line in November 2017 and tracked warranty reports that led to the equipment recall.

In certain driving conditions, such as a long downhill grade, the fuel line may burst if the fuel pump cooling circuit screen becomes restricted. If the fuel line bursts, a significant amount of diesel fuel could spill onto the roadway, causing a slick road surface. That could create a hazard for motorists, increasing the risk of a crash. The engine also may stall without warning. That would result in the vehicle’s being unable to be restarted and increase the risk of a crash.

Cummins will notify affected Navistar owners and perform repairs at no charge. The recall is expected to begin Nov. 2.

Separately, Navistar is recalling certain 2019 International HX, DuraStar, WorkStar, HV, LoneStar, LT, MV, and RH vehicles, and IC Bus HC, CE and RE vehicles. A suspected air leak or separation of the spring brake chamber could increase stopping distance, increasing the risk of a crash. A total of 2,089 vehicles are included in the recall.

The recall will begin Nov. 6. Dealers will replace the brake chamber assemblies from the suspected lot at no charge.

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