INTERNATIONAL PAYSTAR

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

Navistar, Inc. (Navistar) is recalling certain 2017-2018 International ProStar and 9900i trucks, 2018-2019 International LT trucks, 2017-2019 International LoneStar and HX trucks and 2017 International PayStar trucks, equipped with Cummins ISX15 or X15 diesel engines. In certain driving conditions, such as on a long down-hill grade, the fuel line may burst if the fuel pump cooling circuit screen becomes restricted.

Risk: If the fuel line bursts, fuel may leak onto the road resulting in a roadway hazard for other motorists. The engine may also stall without warning, resulting in the vehicle's inability to restart, increasing the risk of a crash.

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

Navistar, Inc. (Navistar) is recalling certain model year 2017 International ProStar, LoneStar, PayStar, HX, and 9900 trucks equipped with a Cummins ISX15L engine using certain engine control modules (ECM). These ECM's may experience an internal electrical short that can cause a fuse to blow, resulting in an unexpected engine stall without the ability to restart the engine.

Risk: An engine stall can increase the risk of a crash.

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

Navistar Inc. (Navistar) is recalling certain model year 2016 International ProStar trucks manufactured August 5, 2015, to August 14, 2015, DuraStar trucks manufactured August 7, 2015, to August 13, 2015, Paystar trucks manufactured August 11, 2015, to August 14, 2015, and LoneStar trucks manufactured August 10, 2015, to August 14, 2015. In the affected vehicles, the Engine Control Module (ECM) may short circuit, causing the engine to stall without warning.

Risk: An engine that stalls without warning increases the risk of a crash.

POWER TRAIN:AXLE ASSEMBLY

Navistar, Inc. (Navistar) is recalling certain model year 2016 International PayStar trucks manufactured January 19, 2015, to January 20, 2015, and 2016 International WorkStar trucks manufactured on January 19, 2015. The affected vehicles are equipped with Meritor MT-40-14X rear drive axles that may circulate an inadequate amount of lubricant to the wheel end hub assembly.

Risk: Without adequate lubrication to the wheel end hub assembly, the bearings may fail prematurely, increasing the risk of a crash.

SERVICE BRAKES, AIR

Navistar, Inc. (Navistar) is recalling certain model year 2015-2016 International 9900, DuraStar, LoneStar, PayStar, ProStar, WorkStar and 2015 International TranStar and IC Bus CE vehicles equipped with a Haldex air braking system. The affected brake actuators may have been manufactured with an incomplete attachment of the internal rubber diaphragm to the actuation mechanism. This could cause dragging or overheated brakes.

Risk: If the brakes drag and overheat there is an increased risk of a wheel end fire.

SERVICE BRAKES

Navistar Inc., is recalling certain model year 2012-2013 International Lonestar, Paystar, Prostar, Workstar and 9900 trucks, equipped with feature code 0504501, 0504504, or 04EWM Reduced Stopping Distance (RSD) brake linings and with or without feature code 04WCS Greased For Life front air S-cam brakes. In the affected vehicles, the brake S-cam brackets may fracture.

Risk: S-cam bracket fractures may result in an inoperative brake on the affected wheel. This will cause the vehicle to pull to one side unexpectedly during braking and/or increase the stopping distance. Either result may increase the risk of a crash.

ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

NAVISTAR IS RECALLING CERTAIN MODEL YEAR 2010 THROUGH 2013 PAYSTAR, WORKSTAR, TRANSTAR, AND PROSTAR, AND MODEL YEAR 2012 AND 2013 LONESTAR COMMERCIAL TRUCKS MANUFACTURED FROM JUNE 1, 2009, THROUGH APRIL 4, 2012, EQUIPPED WITH A MAXXFORCE 11 OR 13 ENGINE (FEATURE CODE 12UXJ OR 12UXH) AND WITH BOSCH ALTERNATOR FEATURE CODES 08GGN, 08GGR, 08GHG, OR 08GHH. THE ALTERNATOR CABLE MAY RUB ON THE HIGH PRESSURE POWER STEERING HOSE, POSSIBLY CHAFING ITS INSULATION AND CAUSING AN ELECTRICAL SHORT.

Risk: AN ELECTRICAL SHORT MAY CAUSE A VEHICLE FIRE POSSIBLY RESULTING IN PROPERTY DAMAGE, PERSONAL INJURY, OR DEATH.

SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE

NAVISTAR IS RECALLING CERTAIN MODEL YEAR 2012-2013 IC BUS CE-C, HC, AND INTERNATIONAL 9400 AND CERTAIN MODEL YEAR 2011 THROUGH 2013 INTERNATIONAL DURASTAR, PAYSTAR, WORKSTAR, TRANSTAR, LONESTAR, PROSTAR, 9200, AND 9800, AND CERTAIN MODEL YEAR 2013 INTERNATIONAL 9900, VEHICLES, MANUFACTURED FROM DECEMBER 2, 2010, THROUGH JANUARY 26, 2012, AND EQUIPPED WITH BENDIX ATR-6 TRACTION RELAY VALVES. IN EXTREMELY COLD CONDITIONS, THESE BENDIX RELAY VALVES MAY POTENTIALLY DEVELOP INTERNAL LEAKAGE. INTERNAL LEAKAGE CAN LEAD TO AIR PRESSURE BEING DELIVERED TO AFFECTED PRIMARY OR SECONDARY BRAKES CAUSING CONTINUOUS BRAKE APPLICATION.

Risk: UNEXPECTED CONTINUOUS BRAKE APPLICATION CAN CAUSE THE BRAKES TO OVERHEAT AND LEAD TO A FIRE. UNEXPECTED CONTINUOUS BRAKE APPLICATION CAN CAUSE THE DRIVER TO LOSE CONTROL OF THE VEHICLE, INCREASING THE RISK OF A CRASH. ALSO, THE BRAKES MAY BE APPLIED WITHOUT ILLUMINATING THE BRAKE LIGHTS, FAILING TO GIVE PROPER WARNING TO OTHER DRIVERS.

SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE

NAVISTAR IS RECALL CERTAIN MODEL YEAR 2011 AND 2012 INTERNATIONAL DURASTAR, PAYSTAR, WORKSTAR, TRANSTAR, LONESTAR AND PROSTAR COMMERCIAL TRUCKS MANUFACTURED FROM NOVEMBER 5, 2010, THROUGH MARCH 10, 2011, FOR FAILING TO COMPLY WITH FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, "AIR BRAKE SYSTEMS (ABS)." THE TRAILER ABS FAULT INDICATOR LAMP IN THE INSTRUMENT CLUSTER WILL NOT ILLUMINATE DUE TO A PROGRAMMING OR HARDWARE ISSUE WITH THE BRAKE SYSTEM ELECTRONIC CONTROL UNIT.

Risk: AN INOPERABLE TRAILER ABS FAULT INDICATOR MAY PREVENT THE DRIVER FROM BEING AWARE OF A TRAILER ABS FAULT CONDITION THEREBY POSSIBLY INCREASING THE RISK OF A CRASH POTENTIALLY RESULTING IN PROPERTY DAMAGE, PERSONAL INJURY, OR DEATH.