2013 AUTOCAR XPEDITOR

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.

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.

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.

SERVICE BRAKES

Autocar, LLC (Autocar) is recalling certain 2013-2016 Xpeditor vehicles equipped with auxiliary axles and 36/36 rear brake chambers. Over-braking can cause excessive vibration and cause the S-cam tube bolts to become loose and allow the brakes to unexpectedly engage.

Risk: Brakes that engage unexpectedly can increase the risk of a crash.

SERVICE BRAKES, AIR

Autocar, LLC (Autocar) is recalling certain model year 2013-2016 Xpeditor vehicles manufactured August 15, 2012, to January 5, 2016. The affected vehicles are configured with dual-drive, right-hand-stand-up cabs. In these vehicles, the locking cotter pin on the brake pedal mounting bracket may not be fully engaged, allowing the brake pedal to detach.

Risk: If the brake pedal detaches, there would be an increased the risk of a crash.

HYBRID PROPULSION SYSTEM

Autocar, LLC (Autocar) is recalling certain model year 2012-2016 Xpeditor vehicles manufactured September 6, 2011, to October 1, 2015. The affected vehicles have hybrid power drive unit cradle mounting bolts that may not have been properly tightened.

Risk: Improperly torqued mounting bolts may loosen and the power drive unit and drive shaft could detach, becoming a road hazard and increasing the risk of a crash.

ELECTRICAL SYSTEM:IGNITION

Autocar, LLC (Autocar) is recalling certain model year 2013-2017 Xpeditor vehicles manufactured December 10, 2012, to November 1, 2016. In the affected vehicles, fuse box vibration may cause the ignition relay to open resulting in an engine stall.

Risk: An engine stall increases the risk of a crash.

PARKING BRAKE

Autocar, LLC (Autocar) is recalling certain model year 2011-2016 Xpeditor vehicles manufactured October 12, 2010, to May 4, 2015. The affected vehicles have a synchronization valve with Autocar part number A7660006-001 and any of the following cab configurations where the park brake button (sometimes referred to as the park brake valve) is located to the right of the RH drive steering wheel: RH Drive, dual drive/dual sit, and dual drive/RH stand. If the operator inadvertently or erroneously attempts to release the park brake without first firmly applying the service brake, the park brake will subsequently engage, at any speed and likely unexpectedly to the operator.

Risk: The park brake may engage unexpectedly at any speed, increasing the risk of a crash.

EQUIPMENT:APPLIANCE:AIR CONDITIONER

Autocar, LLC (Autocar) is recalling certain model year 2015-2016 Xpeditor vehicles manufactured November 18, 2014, to July 6, 2015. The affected vehicles are equipped with heating, ventilation and air conditioning (HVAC) units whose defrost mode door actuators may overheat.

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

ENGINE AND ENGINE COOLING:ENGINE

Autocar, LLC (Autocar) is recalling certain model year 2008-2016 Xpeditor vehicles manufactured July 30, 2007, to April 29, 2015. Excessive engine crankcase pressures may cause the 90-degree elbow of the vent tube assembly to detach from the crankcase ventilation breather, possibly allowing engine oil to come into contact with hot surfaces.

Risk: If the engine oil comes into contact with a hot surface, it can increase the risk of a vehicle fire.

EQUIPMENT

Autocar, LLC (Autocar) is recalling certain model year 2010-2013 Xpeditor heavy-duty class 8 vehicles, manufactured from September 10, 2010, through September 10, 2012, equipped with a vehicle rearward rollaway alarm. The motion sensor for the alarm may not have been installed correctly and the alarm may fail to sound when the vehicle is out of gear and in a rearward rollaway situation.

Risk: Without an audible warning that the vehicle is in a rearward rollaway situation, there is an increased risk that the vehicle may hit a pedestrian or another vehicle.