2017 THOMAS BUILT BUSES SAF-T-LINER C2

POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER

Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2020 Saf-T-Liner C2 school buses equipped with Detroit DD5 engines and Allison transmissions. The Flex-Plate/Torque Converter fasteners may have been insufficiently tightened.

Risk: The loose bolts may lead a disabled school bus and result in a school bus evacuation procedure in an uncontrolled traffic situation, increasing the risk of an injury.

SEATS

Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2020 Thomas Built Saf-T-Liner EFX, Minotour, Saf-T-Liner C2, and Saf-T-Liner HDX school buses equipped with SynTec S3B or S3C seats. The seats may have been manufactured with styrene blocks that may not provide sufficient impact absorption in certain specific areas around the steel seat frame of the back support. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 222, "School Bus Passenger Seating and Crash Protection."

Risk: The lack of impact absorption increases the risk of injury in the event of a crash.

SERVICE BRAKES, AIR:DISC

Daimler Trucks North America LLC (DTNA) is recalling certain 2010-2020 Thomas Built Buses Saf-T-Liner C2, 2016-2019 HDX, and 2017-2019 EFX school buses equipped with Bendix Air Disc Brakes. The driver side rear brakes may drag.

Risk: The dragging brakes may lead to high temperatures at the wheel end, increasing the risk of smoke and fire, possibly resulting in the bus having to be evacuated, which can increase the risk of injury.

STRUCTURE:BODY:ROOF AND PILLARS

Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Thomas Built Buses Saf-T-Liner C2 school buses. The roof adhesive that supports the roof header may not have been properly applied.

Risk: Improperly applied adhesive may affect the roof header joint strength, which, in the event of a rollover crash, can increase the risk of injury.

SEATS

Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Thomas Built Buses Saf-T-Liner C2 school buses, equipped with S3B 45" Restraint School Bus Seats. In the event of a crash, the seat's foot may pull through the bolted joint at the bus floor. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 210, "Seat Belt Assembly Anchorages."

Risk: In the event of a crash, if the seat detaches from the floor, it can increase the risk of injury.

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner EFX and Saf-T-Liner HDX school buses equipped with air disc brakes. The brake caliper mounting bolts on these vehicles may be insufficiently tightened, allowing the bolts to loosen.

Risk: If the brake caliper mounting bolts come loose, braking performance may be reduced, increasing the risk of a crash.

SEATS

Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour school buses equipped with S3B Restraint Wall Mounted Seats. The wall mounting bracket may crack, causing the seat to not remain secured in place in the event of a crash.

Risk: In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.

SEATS

Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour transit buses, equipped with certain Syntec-brand S3B, Non-Restraint, Wall Mounted Seats. The wall mounting bracket may crack, which may cause the seat to not remain secured in place in the event of a crash.

Risk: In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.

EQUIPMENT ADAPTIVE/MOBILITY

Daimler Trucks North America LLC (DTNA) is recalling certain 2015-2019 Thomas Built Buses Saf-T-Liner C2 and Saf-T-Liner HDX school buses, equipped with certain S-Series and K-Series Titanium Wheelchair Lifts, models K200, K201, K550, K551, S200, S2201, S550 and S551. The wheelchair lift positioning input cam may fail while the lift is in use, allowing the platform to travel higher than the vehicle's floor height.

Risk: If the wheelchair lift platform stops above the vehicle floor, the wheelchair user can tip inwards toward the vehicle when exiting the lift, increasing their risk of injury.

SEATS

Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour school buses, equipped with certain Syntec-brand S3B, Non-Restraint, Wall Mounted Seats. The wall mounting bracket may crack, which may cause the seat to not remain secured in place in the event of a crash.

Risk: In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.

FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2019 Thomas Built Buses Saf-T-Liner C2 school buses equipped with propane engines. The propane fuel line may contact the j-hook body support bracket that could cause chafing resulting in a propane leak.

Risk: A propane leak in the presence of an ignition source can increase the risk of a fire.

EQUIPMENT

Daimler Trucks North America LLC (DTNA) is recalling certain 2002-2017 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, FS65, and Minotour school buses, equipped with Kidde Plastic-Handle or Push Button 'Pindicator' Fire Extinguishers. These extinguishers may become clogged, preventing the extinguisher from discharging as expected or requiring excessive force to activate the extinguisher. Additionally, in certain models, the nozzle may detach from the valve assembly with enough force that it could cause injury and also render the product inoperable. For a full list of the affected fire extinguisher models visit: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17E062-5427.pdf

Risk: In the event of a fire, if the fire extinguisher does not function properly, it can increase the risk of injury.

SEATS

Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner EFX, Saf-T-Liner HDX, and Minotour transit buses, equipped with certain S3B Restraint Wall Mounted Seats. The wall mounting bracket may crack, causing the seat to not remain secured in place in the event of a crash.

Risk: In the event of a crash, if the seat does not remain secured to the wall, the occupant has an increased risk of an injury.

STRUCTURE:BODY:ROOF AND PILLARS

Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Thomas Built Buses Saf-T-Liner C2 transit buses. The roof adhesive that supports the roof header may not have been properly applied.

Risk: Improperly applied adhesive may affect the roof header joint strength, which, in the event of a rollover crash, can increase the risk of injury.

SEATS

Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner HDX and Saf-T-Liner C2 school buses. A reinforcement bracket may be missing from the seats that have 3-point seat belts.

Risk: Without the reinforcement bracket, the seat may not be adequately secured, increasing the risk of injury in a crash.

FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

Daimler Trucks North America LLC (DTNA) is recalling certain 2012-2018 Thomas Built Bus Saf-T-Liner C2 school buses. The affected vehicles are propane-powered and have propane fuel lines that may contact the transmission yoke, possibly causing a propane leak.

Risk: A propane leak in the presence of an ignition source can increase the risk of a fire.

EQUIPMENT

Daimler Trucks North America LLC (DTNA) is recalling certain 2005-2018 Thomas Built Buses Saf-T-Liner C2 school buses. In the event of a crash, the wheelchair pocket track anchorage may not adequately secure a the wheelchair.

Risk: In the event of a crash, an unsecured wheelchair may increase the risk of injury.

SEAT BELTS

Daimler Trucks North America LLC (DTNA) is recalling certain 2016-2017 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner EFX, Saf-T-Liner HDX, and Minotour SRW school buses, equipped with IMMI-brand 3-point lap and shoulder belts. Under load, the seat belt buckle mount rod can fracture. As such, these seats fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 210, "Seat Belt Assembly Anchorages."

Risk: In the event of a crash, if the buckle mount rod fractures, the seat occupant may not be restrained, increasing their risk of injury.

SEATS

Daimler Trucks North America LLC (DTNA) is recalling certain 2014-2018 Thomas Built Buses Saf-T-Liner HDX and Saf-T-Liner C2 transit buses. A reinforcement bracket may be missing from the seats that have 3-point seat belts.

Risk: Without the reinforcement bracket, the seat may not remain adequately secured, increasing the risk of injury in a crash.

EQUIPMENT

Daimler Trucks North America LLC (DTNA) is recalling certain 2005-2018 Thomas Built Buses Saf-T-Liner C2 transit buses. In the event of a crash, the wheelchair pocket track anchorage may not adequately secure a the wheelchair.

Risk: In the event of a crash, an unsecured wheelchair may increase the risk of injury.

POWER TRAIN:AUTOMATIC TRANSMISSION:PARK/NEUTRAL START INTERLOCK SWITCH

Daimler Trucks North America, LLC (DTNA) is recalling certain model year 2017 Thomas Built Buses Saf-T-Liner C2 school bus chassis manufactured November 25, 2015, through April 27, 2016. The brake transmission shift interlock feature may be inoperable making it possible to shift into a drive gear without first pressing the brake pedal.

Risk: This condition can result in the vehicle moving unintentionally or rolling away, increasing the risk of injury or a crash.

OTHER:SCHOOL BUS STOP ARM ASSEMBLY

Daimler Trucks North America LLC (DTNA) is recalling certain model year 2016-2017 Thomas Built Buses Saf-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour DRW school buses manufactured from May 1, 2015, through November 16, 2015, equipped with certain Transpec T6000, T6100, and T7000 series school bus stop arms. The affected stop arms have a reflective decal that may peel loose from the stop arm. As such, these stop arms fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 131, "School Bus Pedestrian Safety Devices."

Risk: Without a reflective decal, the stop arms would have reduced visibility to other drivers, increasing the risk of a crash.

EQUIPMENT ADAPTIVE/MOBILITY

Daimler Trucks North America LLC (DTNA) is recalling certain model year 2015-2017 Thomas Built Buses Saf-T-Liner C2, and Saf-T-Liner HDX transit buses manufactured July 15, 2014, to July 21, 2016, and equipped with certain model S2005, S2010, S5005, S5010, S5505, and S5510 wheelchair lifts by Ricon. The affected lifts are equipped with folding link arms that may have pivot holes that are too big, allowing the bearings to move out of position.

Risk: If the bearings move out of position, the stowed platform may have excessive movement resulting in failure of the platform mounting. This failure could cause the wheel chair lift platform to fall out of the vehicle when the doors are opened, increasing the risk of injury for the lift operator.

SERVICE BRAKES, HYDRAULIC

Daimler Trucks North America, LLC (DTNA) is recalling certain model year 2016-2017 Thomas Built Buses Saf-T-Liner C2 school buses manufactured November 25, 2015, to September 8, 2016, equipped with ICU3s instrument clusters and hydraulic brakes. In the event of a brake malfunction, these clusters may illuminate the Brake System Malfunction telltale/indicator lamp with the word "PARK" instead of the word "BRAKE". As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 101, "Control and Displays," and number 105, "Hydraulic and Electric Brake Systems."

Risk: If "PARK" illuminates instead of the word "BRAKE," the driver will be unaware of a braking issue or malfunction, increasing the risk of a crash.

FUEL SYSTEM, OTHER

Daimler Trucks North America, LLC (DTNA) is recalling certain model year 2017 Thomas Built Buses Saf-T-Liner C2 school buses manufactured April 30, 2016, to July 29, 2016 and equipped with a compressed natural gas (CNG) engine. During a fast fuel fill, an internal seal on a filling valve may dislodge allowing fuel to leak after the tank has been filled.

Risk: A fuel leak in the presence of an ignition source may increase the risk of a fire.

EQUIPMENT ADAPTIVE/MOBILITY

Daimler Trucks North America LLC (DTNA) is recalling certain model year 2015-2017 Thomas Built Buses Safe-T-Liner C2, Saf-T-Liner HDX, Saf-T-Liner EFX, and Minotour DRW school buses manufactured July 15, 2014, to July 21, 2016, and equipped with certain model S2005, S2010, S5005, S5010, S5505, and S5510 wheelchair lifts by Ricon. The affected lifts are equipped with folding link arms that may have pivot holes that are too big, allowing the bearings to move out of position.

Risk: If the bearings move out of position, the stowed platform may have excessive movement resulting in failure of the platform mounting. This failure could cause the wheel chair lift platform to fall out of the vehicle when the doors are opened, increasing the risk of injury for the lift operator.

STRUCTURE:BODY:DOOR

Daimler Trucks North America LLC (DTNA) is recalling certain model year 1998-2002 Thomas Built Buses Saf-T-Liner Conventional, 2000-2002 Saf-T-Liner ER, 2000-2017 Saf-T-Liner MVP-EF, 1998-1999 Vista, 2003 Saf-T-Liner FS65, 2013-2017 Saf-T-liner C2, 2000-2002 Saf-T-Liner MVP-ER, 2013-2017 Saf-T-Liner HDX. In the affected vehicles, the stem that connects the outside emergency door handle to the emergency door opening mechanism may corrode.

Risk: If the stem corrodes, the door handle could detach from the emergency door opening mechanism, delaying the opening of the door and the evacuation of the bus. In the event of an emergency, this may increase the risk of injury to the bus occupants.