2017 FREIGHTLINER CASCADIA

SERVICE BRAKES, AIR:ANTILOCK:MODULATOR

Daimler Trucks North America, LLC (DTNA) is recalling certain 2017-2023 Freightliner Cascadia, 2020-2023 Western Star 49X, 2021-2023 Western Star 47X, and 2022 Freightliner 114SD vehicles. The brake modulator valves on the front axle may corrode and cause the vehicle to pull to the affected side during braking initiated by Electronic Stability Control (ESC) or Roll Stability Control (RSC).

Risk: Brakes that pull to one side may cause a sudden change in vehicle direction, increasing the risk of a crash.

EXTERIOR LIGHTING:HEADLIGHTS:BULBS

Daimler Trucks North America, LLC (DTNA) is recalling certain 2017-2022 Freightliner Cascadia vehicles equipped with halogen headlight assemblies. The halogen headlight bulb may dislodge during replacement and contact other vehicle components, possibly causing them to melt.

Risk: Melting components can increase the risk of fire.

SERVICE BRAKES, AIR:SUPPLY:QUICK RELEASE VALVE

Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2021 Freightliner Cascadia tractor trailers. The single brake modulator valve may be affected by chemical corrosion which can slow down the release timing and cause the brakes to pull to the affected side during automatic braking events.

Risk: Brakes that pull to one side during automatic braking events may cause a sudden change in vehicle direction, increasing the risk of a crash.

EXTERIOR LIGHTING

Daimler Trucks North America LLC (DTNA) is recalling certain 2006-2020 Freightliner Columbia, 2006-2021 Freightliner Business Class M2, 2007-2020 Freightliner Coronado, 2014-2021 Freightliner 122 SD, 2007 Sterling A 9500, 2006 Freightliner Argosy, 2006-2007 Sterling AT9500, 2008-2021 Freightliner Cascadia, 2006-2008 Freightliner Classic, 2006-2011 Freightliner Century Class, 2006-2010 Freightliner FLD, and 2017 Western Star 5700 vehicles. The rear reflective tape may be partially covered by the mudflap hanger bracket, which may reduce the vehicle's visibility to other drivers on the road. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."

Risk: The vehicle's rearward visibility may be reduced, increasing the risk of a crash.

EXTERIOR LIGHTING:BRAKE LIGHTS

Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2021 Cascadia P4 vehicles. The brake lights may remain illuminated after the brake pedal has been released.

Risk: If the brake lights remain illuminated, drivers may be unaware when the truck is actually slowing or stopping, increasing the risk of a crash.

SERVICE BRAKES, AIR:SUPPLY:RESERVOIR/TANK

Daimler Trucks North America LLC (DTNA) is recalling certain 2004-2019 Freightliner 108SD, 114SD, 122SD, Cascadia, Columbia, Classic, FL80, FLD 120SD, Business Class M2, Western Star 4700, 4900, 6900, Sterling Acterra, L7500, LT7500, L8500, LT8500, L9500, and LT9500 vehicles. The vehicles may have an insufficient service brake air reservoir capacity. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."

Risk: An insufficient air reservoir volume may reduce brake effectiveness, increasing the risk of crash.

STEERING

Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Freightliner 114SD, 122SD, 108SD, Cascadia and Business class M2 trucks, Freightliner Custom Chassis XBS, XCL, XCM, MT45, MT55, S2G, S2RV, XCR and XCS custom chassis and Western Star 4700, 4900 and 5700 trucks equipped with Detroit Axle axles. The affected vehicles may have loose steering and tie rod arm bolts.

Risk: Loose tie rod arm bolts may lead to separation of the tie rod arm, resulting in a loss of vehicle control, increasing the risk of a crash.

ENGINE AND ENGINE COOLING:ENGINE:DIESEL

Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Freightliner Cascadia, Coronado and 122SD, and Western Star 4900 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.

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Freightliner M2 Business Class, 108SD, 114SD and Cascadia trucks, Western Star 4700, 4900, and 5700 trucks, FCCC S2C 106 Cab, S2G Cab, XBR, XBS, XCL, XCM, XCP, XCR, and XCS chassis 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 loosen, braking performance may be reduced, increasing the risk of a crash.

EXTERIOR LIGHTING:BRAKE LIGHTS

Daimler Trucks North America (DTNA) is recalling certain 2017-2018 Freightliner Cascadia vehicles. The brakes lights on these vehicles may remain activated after the brake pedal is released.

Risk: If the brake lights remain activated, other drivers may be unaware that the vehicle is actually slowing or stopping, increasing the risk of a crash.

ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

Daimler Trucks North America, LLC (DTNA) is recalling certain 2017-2019 Freightliner Cascadia trucks. The Instrument Cluster Unit (ICU) may not perform the required bulb checks for the Anti-lock Brake System (ABS) or Electronic Stability Control (ESC) if the ignition is turned from on to off to on too quickly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems," and 136, "Electronic Stability Control Systems on Heavy Vehicles."

Risk: Without an ABS or ESC bulb check, the operator may unaware that the warning light bulbs are not working. If the warning bulbs are not working, in the event of an ABS or ESC malfunction, the driver may not be notified, increasing the risk of a crash.

EQUIPMENT

Daimler Trucks North America LLC (DTNA) is recalling certain 2002-2017 Freightliner Cascadia, Century Class, Columbia and Coronado trucks and Western Star 4700, 4900, 5700, 5900 and 6900 trucks. These vehicles are equipped with Kidde Plastic-Handle or Push Button 'Pindicator' Fire Extinguishers that may become clogged, preventing the extinguisher from discharging as expected or excessive force may be needed 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.

STEERING

Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2018 Freightliner Cascadia vehicles. The upper steering pinch bolt may not have been properly tightened, possibly causing a loss of mechanical connection between the steering wheel and front wheels.

Risk: A loss of steering control increases the risk of a crash.

POWER TRAIN:AXLE ASSEMBLY

Daimler Trucks North America LLC (DTNA) is recalling certain 2017 Freightliner Cascadia and Western Star 5700 trucks built with NFD tandem rear axles. During the hardening process, the axle assembly output shaft may have been made brittle, possibly resulting in the output shaft fracturing while the vehicle is in use.

Risk: If output shaft fractures while descending a grade, the compression braking will be ineffective. Additionally, large debris may land in the road. Both scenarios increase the risk of a crash.

EXTERIOR LIGHTING:BRAKE LIGHTS

Daimler Trucks North America, LLC (DTNA) is recalling certain 2008-2018 Freightliner Cascadia, Western Star 4700, 4900, 5700, and 6900 trucks. After hard brake applications, the brake light pressure switch may not activate the brake lights with a light application of the brake pedal.

Risk: If the brake lights fail to illuminate, there would not be a signal to other motorists that the vehicle is slowing, increasing the risk of a crash.

TIRES:TREAD/BELT

Daimler Trucks North America LLC (DTNA) is recalling certain model year 2017 Freightliner Cascadia, Business Class M2, and 122SD trucks manufactured January 24, 2016, to October 10, 2016 and equipped with Goodyear G399A LHS 295/75R22.5 Load Range G tires. The tires on the affected vehicles may have cured improperly, possibly resulting in a partial tread separation.

Risk: Partial tread separation can increase the risk of a crash.

ELECTRICAL SYSTEM

Daimler Trucks North America, LLC. (DTNA) is recalling certain model year 2013-2017 Freightliner Cascadia vehicles manufactured September 24, 2012, to May 27, 2015 and equipped with compressed natural gas (CNG) engines. The affected vehicles have a Power Distribution Module (PDM) that is mounted near the CNG fuel tank. Due to its location, the PDM may be sprayed with water and contaminants from the road, possibly causing the PDM to short circuit.

Risk: If the PDM short circuits, there would be an increased risk of a fire, especially if the nearby CNG tank leaks.

POWER TRAIN:AXLE HUBS

Daimler Trucks North America LLC (DTNA) is recalling certain model year 2014-2017 Freightliner M2 Business Class, 108 SD, 114 SD, Cascadia, Coronado, Western Star 4700, 4800, and 5700 XE trucks manufactured March 15, 2013, to July 29, 2016 and equipped with Conmet aluminum non-high capacity hubs. These vehicles specify a front axle weight limit that may be greater than that of the hub capacity. As a result, the hub may fail and the wheel may separate from the axle.

Risk: If a wheel separates from the axle, there would be an increased risk of a crash.