2018 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.

POWER TRAIN:CLUTCH ASSEMBLY

Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2019 Freightliner Cascadia, Business Class M2, 108SD, 114SD and 122SD and Western Star 4700, 4900 and 5700 vehicles. An internal component within the clutch assembly may fail, which in certain circumstances could allow the vehicle to move unexpectedly.

Risk: Unintended vehicle movement van increase the risk of a crash.

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.

AIR BAGS:FRONTAL

Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2020 Freightliner Cascadia vehicles equipped with an optional steering wheel air bag. The driver's frontal air bag may deploy unexpectedly.

Risk: If the driver's frontal air bag deploys unexpectedly, it can increase the risk of a crash.

SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT

Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2020 Freightliner Cascadia vehicles. The ABS Electronic Control Unit (ECU) may not detect an incorrectly functioning solenoid valve for the ABS/ESC module during certain low voltage start conditions, potentially causing the ABS/ESC Malfunction indicator not to illuminate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems" and number 136, "Electronic Stability Control Systems on Heavy Vehicles."

Risk: Without the alert, an operator may not be aware of an active ABS/ESC malfunction and unknowingly operate the vehicle with reduced ABS/ESC function, 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.

SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT

Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2019 Freightliner Cascadia vehicles. In the affected vehicles, the Anti-Lock Braking system (ABS) malfunction warning light may not reactivate after the ignition has been turned off and then switched back on. As such, the vehicles fail to comply with Federal Motor Vehicle Safety Standard (FMVSS) number 121, "Air Brake Systems."

Risk: Unknowingly operating a truck with an ABS malfunction may increase the risk of a 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.

SERVICE BRAKES, AIR:DISC:CALIPER

Daimler Trucks North America, LLC (DTNA) is recalling certain 2018-2019 Freightliner 108SD, 114SD, Cascadia, Business Class M2, Freightliner Custom Chassis Corporation S2C 106 Cab, S2G Cab Chassis, XCL, XCM, XBS, XCP, XCR, Western Star 4700, 4900 and 5700 trucks. The brake caliper mounting bolts may have been insufficiently tightened.

Risk: Loose brake caliper mounting bolts can reduce brake effectiveness, increasing the risk of a crash.

POWER TRAIN:CLUTCH ASSEMBLY

Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2019 Freightliner 108SD, 114SD, 122SD, Cascadia, Business Class M2, Western Star 4700, 4900, and 5700 vehicles, equipped with certain Eaton ECA heavy-duty truck clutches. An internal component in the clutch assembly may fail, possibly resulting in unintended vehicle movement.

Risk: Unintended vehicle movement can increase the risk of a crash.

SERVICE BRAKES, AIR:DISC:CALIPER

Daimler Trucks North America, LLC (DTNA) is recalling certain 2018-2019 Freightliner 108SD, 114SD, 122SD, Cascadia, Columbia, Coronado, and Business Class M2 vehicles. During manufacturing, the brake caliper mounting bolts may have been insufficiently tightened.

Risk: Loose brake caliper mounting bolts can reduce brake effectiveness, 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.

STEERING:GEAR BOX:SHAFT PITMAN

Daimler Trucks North America, LLC (DTNA) is recalling certain 2018-2019 Freightliner Cascadia vehicles. Over time, the pitman arms may crack and fracture.

Risk: If the pitman arm fractures there would be a loss of steering control, 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.

AIR BAGS:FRONTAL

Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2019 Freightliner Cascadia vehicles. The fasteners that secure the driver's air bag module within the steering wheel may not have been installed to specification, possibly affecting the frontal air bag deployment in the event of a crash.

Risk: An incorrectly installed air bag may not function correctly in a crash, increasing the risk of injury.

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.

SERVICE BRAKES, AIR:DISC:CALIPER

Daimler Trucks North America LLC (DTNA) is recalling certain 2018-2019 Freightliner Cascadia vehicles. The brake caliper mounting bolts on these vehicles may not been properly tightened, potentially resulting in the caliper detaching.

Risk: If the calipers detach, there would be reduced braking performance, increasing the risk of a crash.

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.

EQUIPMENT

Daimler Trucks North America (DTNA) is recalling certain 2018 Freightliner Cascadia, M2 Business Class, 114SD, and 122SD trucks, and Western Star 4700 and 5700 trucks. These vehicles have tow hooks used for recovery purposes that may fail during use.

Risk: If the tow hook fails without warning during a recovery operation, the sudden release of the vehicle may increase the risk of injury.

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.