2019 WESTERN STAR 5700

ELECTRICAL SYSTEM:WIRING

Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2019 Western Star 4700, 4900, 5700, and 6900 trucks. The affected trucks have a power stud that passes through the bulkhead. In certain circumstances, the power stud may contact the bulkhead and result in an electrical arc.

Risk: An electrical arc can increase the risk of a fire.

ELECTRICAL SYSTEM:WIRING

Daimler Trucks North America, LLC (DTNA) is recalling certain 2019-2021 Western Star 4700 and Western Star 5700 vehicles. The ground harness wiring may be undersized and may cause a connector to melt.

Risk: Damage to the ground harness may cause an engine stall, increasing the risk of a crash.

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.

ELECTRICAL SYSTEM:WIRING

Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2021 Western Star 4700 and 5700 vehicles. A particular wire in the ground harness may be undersized, possibly resulting in a melted connector in the ground circuit harness. If the connector becomes damaged, under certain circumstances, the engine may stall without the ability to restart.

Risk: An engine stall may increase the risk of a crash.

SERVICE BRAKES, AIR:DISC:CALIPER

Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2020 Freightliner 108SD, 114SD, Cascadia, Business Class M2, Western Star 4700 and 5700, Freightliner Custom Chassis S2, Custom Chassis XB, and Custom Chassis XC vehicles equipped with air disc brakes. 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.

SERVICE BRAKES, AIR:DISC

Daimler Trucks North America LLC (DTNA) is recalling certain 2019 Freightliner 108SD, 114SD, Business Class M2, Cascadia, Western Star 5700, and FCCC XC Chassis vehicles equipped with air disc brakes. The brake caliper mounting bolts may have been insufficiently tightened.

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

STRUCTURE:BODY:DOOR

Daimler Trucks North America LLC (DTNA) is recalling certain 2017-2020 Western Star 4900 and 5700 vehicles. The adhesive bond may fail allowing the baggage or sleeper side door to separate from the hinges.

Risk: A baggage or sleeper side door that separates from the vehicle while in motion can cause road debris, increasing the risk of an injury or crash.

VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW

Daimler Trucks North America LLC (DTNA) is recalling certain 2016-2020 Western Star 4900 and 5700 vehicles equipped with sleeper cab vent windows. Due to improper adhesive, the vent window may detach from the vehicle.

Risk: If the vent window detaches while the vehicle is in motion, it can become a road hazard, increasing 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.

STEERING

Daimler Trucks North America, LLC (DTNA) is recalling certain 2019 Freightliner Cascadia and Western Star 5700 vehicles. The steering wheel on these vehicles may loosen over time and the steering wheel may detach from the steering column.

Risk: If the steering wheel detaches, there would be a loss of vehicle control, 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, 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.