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Check a VIN

2021 Western Star 5700

No owner complaints on file. 7 recalls, 25 service bulletins.

0complaints · 0 crashes, 0 fires
7recalls
25manufacturer bulletins
—median mileage at failure

Compared with other years

’02’05’08’11’14’17’20’210’02’05’08’11’14’17’20’210

NHTSA ODI complaints by model year

Recalls in Canada

5 Transport Canada recalls for the 2021 Western Star 5700.

2021304
19 May 2021
Steering
Issue: On certain vehicles, the tie rod clamp may not have been properly tightened. As a result, the tie rod end could loosen and separate. If this happens, t…
2021219
12 Apr 2021
Steering
Issue: On certain trucks, the tie rod arm and steering arm bolts may be defective and could break. If this happens, there could be a loss of steering control.…
2021172
24 Mar 2021
Electrical
Issue: On certain trucks, an undersized wire in the ground circuit harness could overheat and melt a connector. If this happens, the engine may stall and you …
2020513
27 Oct 2020
Wheels
Issue: On certain trucks, the spindle nut snap ring on the left side of the steer axle may not be installed correctly or may be missing. As a result, the tire…
2020217
18 May 2020
Electrical
Issue: On certain trucks, an undersized wire in the ground circuit harness could overheat and melt a connector. If this happens, the engine may stall and you …

Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada

Recalls

22V338000 · Equipment16 May 2022 · 185 vehicles

Daimler Trucks North America, LLC (DTNA) is recalling certain 2020 Freightliner Cascadia, 2020-2022 Western Star 4700 and 5700, 2022 Western Star 4900, and 2020-2023 Freightliner New Cascadia vehicles. The Gross Axle Weight Rating (GAWR) listed on the Federal Certification Label is incorrect, which can allow the vehicle to be overloaded. As such, these vehicles fail to comply with the requirements of 49 CFR Part 567, "Certification."

21V369000 · Steering19 May 2021 · 8,482 vehicles

Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Freightliner 114SD, 122SD, Business Class M2, Cascadia, 108SD, Western Star 4900, 4700, 5700, Custom Chass RV Chassis, Custom Chass S2 Chassis, Custom Chass XC Chassis, Custom Chass XB Chassis, and Custom Chass MT Chassis. The tie rod clamps may be loose, which could result in loose tie rod ends that could break or detach.

21V256000 · Steering12 Apr 2021 · 12,470 vehicles

Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Freightliner Cascadia, Business Class M2, 114SD, 108SD, 122SD, Custom Chass S2 Chassis, Custom Chass XB Chassis, Custom Chass XC Chassis, and Custom Chass MT Chassis Western Star 4700, 4900, 5700 vehicles. The steering arm and tie rod bolts may have a defective seam that can fracture.

21V206000 · Electrical system24 Mar 2021 · 5,111 vehicles

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.

21V018000 · Service brakes, hydraulic20 Jan 2021 · 133 vehicles

Daimler Trucks North America, LLC (DTNA) is recalling 2021 Western Star 4700 and 5700, Freightliner Business Class M2, Cascadia, and Custom Chassis XC Chassis vehicles manufactured with a certain steering arm configuration with air disc brakes identified by the axle assembly supplier. On certain vehicles, one of the six brake caliper mounting bolts on the driver side steer axle may have been incorrectly tightened.

20V660000 · Suspension27 Oct 2020 · 1,411 vehicles

Daimler Trucks North America LLC (DTNA) is recalling certain 2020-2021 Freightliner Cascadia, 2021 Freightliner 108SD, 114SD and Business Class M2 and Western Star 4700, 4900 and 5700 vehicles. The steer axle spindle nut snap-ring locking feature may be incorrectly installed or missing from the left spindle nut at the spindle.

20V281000 · Electrical system18 May 2020 · 2,987 vehicles

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.

Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.

NHTSA recalls · summaries in NHTSA's own words

Service bulletins

What Western Star told its dealers about the 2021 Western Star 5700: known faults, fixes and updates.

BulletinSummary
11011076Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair Time Updates
11010143Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
11010131Customer Service Annoucement for Discolored Coolant Surge Tank on Heavy Duty Engine Product (HDEP)
11010130Customer Service Annoucement for Heavy-Duty Engine Product (HDEP) Oil Separator Leaks
11008508Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
11007517CX Advocate for ConMet Oil Pan Insert Additional Failures
11005500CX Advocate for NOx conversion low faults. Update to CXA 6_24_NOx submission.
11005494CX Advocate for ConMet Oil Pan Insert Additional Failures
11003924CX Advocate communication for clutch bolts
11003889CX Advocate communication for NOx conversion low faults
11001976Customer letter regarding variable speed water pump.
11000978Technical Service Bulletin for New Final Drive Over Heat Diagnostic
10253879Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
10214907Updated Western Star Service Bulletin for HVAC Actuator Replacement
10210548Important Campaign Information Letter for DDC D21M1 Termination Date Extended. This letter is to inform you that a revised bulletin for Detroit Diesel Field Service Campaign D21M1, DT12 Transmission Drive Shaft Cover Plug Reseal has been EXTENDED for an additional three months. Please use the extended termination date for all work under D21M1 from this point forward. REVISION: D21M1 termination date extended to July 1, 2022.
10208391Western Star Service Bulletin for DEF Connector Reinforcement Caps
10202733ConMet Front Hub to Rotor Fasteners. On certain vehicles, the front rotor nuts may not be torqued to manufacturer specification. Loose components could cause damage to the ABS tone rings, the ABS sensors, and the anchor plate mounting fasteners.
10202728SF626 Western Star Window Replacement Inspection Notification. This letter is to inform you that Field Service Campaign SF626 Western Star Window Replacement Inspection Notification campaign was released.
10198595Western Star Service Bulletin for Key Fob ID Retention. Key fobs for remote keyless entry on Western Star vehicles are delivered in packages that include a unique ID for the fob. The ID is required when pairing the key fob with a vehicle.
10198288Western Star Service Solution for Low Voltage Disconnect (LVD) Troubleshooting: Western Star 5700 and New 4700.
10198286Customer Advisory Letter for 4-Hook Chain Hanger Replacement.
10195575Service Solution SS 1033094 KUS Float Tube Fuel Level Sensor Inform...
10193767Removable Front Tow Hook Changes
10192962Paint Peeling, Hood.
10191148Service Solution for DT12 Harness Chaffing - PT Can Faults. Transmission will not shift into Gear while driving or will not start and trigger multiple PT CAN Fault Codes.

NHTSA manufacturer communications (public domain)

NHTSA investigations

EA25006 · Forward collision avoidance: dynamic brake support/brake assistopened 23 Oct 2025

Automatic Emergency Braking Errors

PE23010 · Forward collision avoidance: dynamic brake support/brake assistopened 26 May 2023 · closed 23 Oct 2025

Automatic Emergency Braking Errors

NHTSA Office of Defects Investigation