2017 AUTOCAR XPEDITOR

SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK

Autocar, LLC (Autocar) is recalling certain 2015-2022 ACTT (Xspotter) and ACX (Xpeditor) vehicles. The air tanks have an insufficient volume of air for the brake system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 121, "Air Brake Systems."

Risk: Insufficient air volume can reduce brake function, extending the distance required to stop and increasing the risk of a crash.

PARKING BRAKE:INDICATOR LIGHT

Autocar, LLC (Autocar) is recalling certain 2016-2023 ACX (Xpeditor) and 2021-2023 DC (Legend) vehicles. The park brake warning light may incorrectly illuminate during an air loss event. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 101, "Control and Displays."

Risk: A park brake warning light that illuminates incorrectly increases the risk of a crash.

ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

Autocar, LLC (Autocar) is recalling certain 2016-2023 ACX (Xpeditor) and 2020-2023 DC (Legend) vehicles. The park brake warning light may incorrectly illuminate during an air loss event. As such, these trucks fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 101, "Control and Displays."

Risk: A park brake warning light that illuminates incorrectly increases the risk of a crash.

PARKING BRAKE

Autocar, LLC (Autocar) is recalling certain 2012-2016 Xpert, 2010-2020 Xspotter, 2008-2020 Xpeditor, 2008-2010 WXLL and WX vehicles. A worn parking brake control valve can leak air into the vent line, creating excessive back pressure and causing the parking brake to release unexpectedly.

Risk: The unexpected release of the parking brake may allow the vehicle to rollaway, increasing the risk of a crash.

STRUCTURE:FRAME AND MEMBERS

Autocar, LLC. (Autocar) is recalling certain 2014-2018 Xpeditor vehicles manufactured with a single cross-member behind the engine and equipped with a front engine power take off (FEPTO). The mounting brackets of the first cross member behind the engine may fail prematurely due to strain caused by improper spacing between the cross members, causing the supportive cross member to become loose and detach from the frame rails.

Risk: If the cross member fails, the components that it supports may come loose from the vehicle, increasing the risk of crash.

ELECTRICAL SYSTEM:IGNITION

Autocar, LLC (Autocar) is recalling certain 2013-2020 Xpeditor vehicles. The ignition relay may fail without warning, causing the vehicle to stall.

Risk: A vehicle stall can increase the risk of crash.

TRACTION CONTROL SYSTEM

Autocar, LLC (Autocar) is recalling certain 2016-2020 Autocar Xpeditor vehicles equipped with Wabco Automatic Traction Control (ATC) electronic control units (ECU). The ATC ECUs may not be programmed correctly and may malfunction without warning.

Risk: An ATC ECU malfunction may increase the risk of a crash.

PARKING BRAKE:CONVENTIONAL:AIR

Autocar, LLC (Autocar) is recalling certain 2008-2019 Xpeditor vehicles. The affected vehicles are equipped with undersized brake chambers, possibly allowing the truck to roll when parked. As a result, the vehicles fail to comply with Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air brake systems."

Risk: Unexpected movement when parked can increase the risk of crash.

STRUCTURE:FRAME AND MEMBERS

Autocar, LLC (Autocar) is recalling certain 2013-2018 Autocar Xpeditor vehicles. The drive shaft support cross member may fail.

Risk: If the cross member fails, the components that it supports may come loose from the vehicle, increasing the risk of crash.

ELECTRICAL SYSTEM:WIRING

Autocar, LLC (Autocar) is recalling certain 2014-2018 Xpeditor vehicles equipped with a factory installed methane detection system. The circuit protection for the methane detector may be inadequate, and the harness may be improperly routed.

Risk: In the event that the wiring harness carries excessive current, the harness may overheat, increasing the risk of a fire.

ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

Autocar, LLC (Autocar) is recalling certain 2017-2018 Xpeditor vehicles. These vehicles are equipped with an HVAC defrost door actuator system mechanism that may overheat due to inadequate circuit protection.

Risk: Overheating of the defrost actuator increases the risk of a fire.

STEERING:LINKAGES

Autocar, LLC (Autocar) is recalling certain model year 2015-2017 Xpeditor vehicles manufactured March 2, 2015, to September 22, 2016. The castle nuts on the steering linkage assembly may not have been tightened properly.

Risk: If the castle nuts were not properly tightened, the cotter pin could shear and the steering linkage assembly components could separate, resulting in the loss of steering and increasing the risk of a crash.

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

Autocar, LLC (Autocar) is recalling certain model year 2016-2017 Xpeditor vehicles manufactured March 21, 2016, to April 11, 2016, equipped with a Cummins ISX12 or ISX15 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.

SUSPENSION:REAR:AXLE:SPINDLE

Autocar, LLC (Autocar) is recalling certain model year 2016-2017 Xpeditor vehicles manufactured March 04, 2016, through April 21, 2016. The tab lock washers on the rear axle wheel ends may not have been properly bent over the outer spindle nut during assembly.

Risk: If the spindle nuts loosen, the wheel assembly may separate from the rear axle, increasing the risk of a crash.