2021 WESTERN STAR 4700

14 recalls, 1 complaints - 130 TSBs

EQUIPMENT:OTHER:LABELS

Defect Description

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... Read more

Consequence

An overloaded vehicle can increase the risk of a crash.

Remedy

Dealers will be replace the GAWR labels, free of charge. Owner notification letters were mailed July 14, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-933.

185 vehicles affected

Manufacturer: Daimler Trucks North America, LLC

FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL

Defect Description

Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2022 Western Star 4700, 2019-2022 Freightliner 114SD, 2021-2022 Western Star 49X, Freightliner Cascadia P4, 2022 Western Star 47X, 2021 Western Star WF110, 2020 Western Star WJ121, and 2019-2021 FCCC XCP Chassis vehicles. The fuel t... Read more

Consequence

A high pressure fuel leak in the presence of an ignition source can increase the risk of a fire.

Remedy

Dealers will replace the fuel tubes, and install vibration isolators, free of charge. Owner notification letters were mailed January 28, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-915.

2,843 vehicles affected

Manufacturer: Daimler Trucks North America, LLC

TIRES

Defect Description

Daimler Trucks North America, LLC (DTNA) is recalling certain 2012-2021 Freightliner SD 108, Freightliner SD 114, 2016-2020 Freightliner Coronado, 2013 Western Star 6900, 2013-2022 Western Star 4700, Western Star 4900, and 2022 49X vehicles. The tires and rims are not approved and rated for these v... Read more

Consequence

Unapproved tires that are not rated for the vehicle can cause tire performance issues, increasing the risk of a crash.

Remedy

Dealer will inspect and replace, as necessary, tires and rims, free of charge. Interim owner notification letters were mailed January 14, 2022. Owner notification letters were mailed on April 22, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall FL-9... Read more

307 vehicles affected

Manufacturer: Daimler Trucks North America, LLC

STEERING:LINKAGES:TIE ROD ASSEMBLY

Defect Description

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 ... Read more

Consequence

Detached or broken tie rod ends can result in steering loss, increasing the risk of a crash.

Remedy

Dealers will replace the tie rod clamp bolts and nuts, free of charge. Owner notification letters were mailed December 23, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-888.

8,482 vehicles affected

Manufacturer: Daimler Trucks North America, LLC

FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL

Defect Description

Daimler Trucks North America, LLC (DTNA) is recalling certain 2018-2021 Freightliner Custom Chass XC Chassis, 108SD, Custom Chass XB Chassis, Business Class M2, 114SD, and Western Star 4700 vehicles. The sealing washer may not seat correctly in the pilot bore holes, allowing the high pressure fuel ... Read more

Consequence

A fuel leak in the presence of an ignition source increases the risk of a fire.

Remedy

Dealers will replace the fuel rail and fuel lines, free of charge. Interim owner notification letters were mailed on June 21, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-886.

9,662 vehicles affected

Manufacturer: Daimler Trucks North America, LLC

STEERING:CRITICAL FASTENERS

Defect Description

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 ... Read more

Consequence

A fractured bolt may cause a loss of steering, increasing the risk of a crash.

Remedy

DTNA will notify owners, and dealers will replace the tie rod arm and steering arm bolts, free of charge. The recall began on June 10, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-884.

12,470 vehicles affected

Manufacturer: Daimler Trucks North America, LLC

ELECTRICAL SYSTEM:WIRING

Defect Description

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.

Consequence

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

Remedy

DTNA will notify owners, and dealers will replace the ground harness, free of charge. The recall is expected to begin May 22, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-880.

5,111 vehicles affected

Manufacturer: Daimler Trucks North America, LLC

POWER TRAIN:CLUTCH ASSEMBLY

Defect Description

Daimler Trucks North America, LLC (DTNA) is recalling certain 2021 Freightliner Cascadia and Western Star 4700 vehicles. The clutch flange may break.

Consequence

If flange failure occurs, loose parts may fall into the clutch pressure plate assembly, resulting in clutch disengagement, thereby increasing the risk of a crash.

Remedy

DTNA will notify owners, and dealers will replace the clutch on the affected vehicles, free of charge. The recall began on May 7, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-881.

2 vehicles affected

Manufacturer: Daimler Trucks North America, LLC

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

Defect Description

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 ve... Read more

Consequence

The loose bolt could result in the other caliper bolts to loosen. Insufficiently tightened bolts may not provide adequate clamping force between the brake caliper and brake anchor plate, resulting in reduced brake effectiveness, increasing the risk of a crash.

Remedy

DTNA will notify owners, and dealers will inspect and repair as necessary, free of charge. The recall began March 17, 2021. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-873.

133 vehicles affected

Manufacturer: Daimler Trucks North America, LLC

SUSPENSION:REAR:AXLE:SPINDLE

Defect Description

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 lef... Read more

Consequence

A missing or improperly installed locking snap ring can result in wheel-end failure and potentially a wheel-off/separation condition, increasing the risk of crash.

Remedy

DTNA will notify owners, and dealers will inspect the hub cap plug, and reinstall or replace of the snap-ring as needed, free of charge. The recall began December 18, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-866.

1,411 vehicles affected

Manufacturer: Daimler Trucks North America LLC

TIRES

Defect Description

Daimler Trucks North America LLC (DTNA) is recalling certain 2020-2021 Western Star 4700 and 4900 and Freightliner Coronado, 108SD and 114SD vehicles. The vehicle certification label contains incorrect information, stating a Gross Axle Weight Rating (GAWR) that exceeds the tire capacity rating. As... Read more

Consequence

Incorrect weight rating information on the certification labels could result in potential overloading of the axles, increasing the risk of a crash.

Remedy

DTNA will notify owners, and dealers will install accurate GAWR labels, free of charge. The recall began November 25, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-864.

53 vehicles affected

Manufacturer: Daimler Trucks North America LLC

SUSPENSION:MULTIPLE AXLE

Defect Description

Daimler Truckers North America LLC (DTNA) is recalling certain 2020-2021 Freightliner 114SD, 122SD and Western Star 4700, and 4900 vehicles equipped with certain SL2065 steerable lift axles. The lower rear pivot cap screws may not be long enough to sufficiently engage the locking feature of the cor... Read more

Consequence

If the screws are not long enough to engage the corresponding nuts, the hardware may separate from the suspension system, becoming a road hazard, increasing the risk of a crash and/or injury.

Remedy

DTNA will notify owners, and dealers will inspect the lower rear pivot cap screws for the proper length, correcting the hardware as necessary, free of charge. The recall began October 30, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-862.

103 vehicles affected

Manufacturer: Daimler Trucks North America LLC

ELECTRICAL SYSTEM:WIRING

Defect Description

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 circumstanc... Read more

Consequence

An engine stall may increase the risk of a crash.

Remedy

DTNA will notify owners, and dealers will replace the ground harness, free of charge. This recall began June 23, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-852.

2,987 vehicles affected

Manufacturer: Daimler Trucks North America LLC

EQUIPMENT:OTHER:LABELS

Defect Description

Daimler Trucks North America LLC (DTNA) is recalling certain 2020 Freightliner 108SD and 2020-2021 Freightliner Coronado, 114SD, and Western Star 4700 and 4900 vehicles. The Gross Axle Weight Rating (GAWR) on the certification label may be incorrect, possibly resulting in the vehicle being overload... Read more

Consequence

An overloaded vehicle can increase the risk of a crash.

Remedy

DTNA will notify owners, and dealers will update the GAWR labels, free of charge. The recall began May 28, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL847.

89 vehicles affected

Manufacturer: Daimler Trucks North America LLC

Complaint Statistics

1 total complaints

Top Reported Components

Component	Complaints
ENGINE	1

Incident date: Mar 15, 2023

Despite a recall on the fuel pump, there continues to be a problem but instead of the “back” fuel pump that was fixed, the “front” fuel pump seems to be having the same issue. When taken to the dealer, the code P0087- fuel rail/system pressure too low shows up. This is causing car to stall... Read more

Technical Service Bulletins, 2021 WESTERN STAR 4700

130 manufacturer communications from 80 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.

Most Affected Components

Component	Bulletins
060000 ENGINE AND ENGINE COOLING	28
350000 EQUIPMENT	26
356000 EQUIPMENT ADAPTIVE/MOBILITY	12
100000 POWER TRAIN	10
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL	10
130000 VISIBILITY	8
110000 ELECTRICAL SYSTEM	8
010000 STEERING	6

060000 ENGINE AND ENGINE COOLING

Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller

060000 ENGINE AND ENGINE COOLING

Revised Emissions Recall: Cummins DEF Sensor Shortage. REVISION: Some vehicles formerly in Group F have been moved to Group G and have been assigned a new part number as specified in Table 1. An SRT for 'Calibration Code Only: Update or Con

060000 ENGINE AND ENGINE COOLING

Important Campaign Information letter for FL974 - Revised Bulletin & Population

060000 ENGINE AND ENGINE COOLING

Emissions Recall: Cummins DEF Sensor Shortage

130000 VISIBILITY

Updated Western Star Service Bulletin for HVAC Actuator Replacement

130000 VISIBILITY

Western Star Service Bulletin for HVAC Actuator Replacement. The wiring harness of the actuator of the fresh air recirculation door on Western Star vehicles equipped with Red Dot HVAC systems should be inspected for signs of water intrusion

060000 ENGINE AND ENGINE COOLING

Western Star Service Bulletin for DEF Connector Reinforcement Caps

130000 VISIBILITY

HVAC Actuator Wiring Harness. Revision History: Service kit part number changed from RDH RD5 17147 0 to WWS RD-3-9069-0 on 12/9/21. The wiring harness of the actuator of the fresh air recirculation door, shown in Fig. 1, on Western Star veh

130000 VISIBILITY

SF626 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.

030000 SERVICE BRAKES, HYDRAULIC

ConMet 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 faste

110000 ELECTRICAL SYSTEM

Customer Advisory Letter for HVAC Actuator Wiring Harness. The wiring harness of the actuator of the fresh air recirculation door, shown in Fig. 1, on Western Star vehicles equipped with Red Dot HVAC systems should be inspected for signs of

130000 VISIBILITY

110000 ELECTRICAL SYSTEM

Western 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.

100000 POWER TRAIN

Service 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.

060000 ENGINE AND ENGINE COOLING

Tech Talk discussion on a belt stretch tool sent to service techs.

350000 EQUIPMENT

Tech Talk discussion on a belt stretch tool sent to service techs.

060000 ENGINE AND ENGINE COOLING

Warranty Information letter announcing that DTNA is increasing the Standard Diagnostic Times (SDTs) shown. The updated after treatment system (ATS) diesel exhaust fluid (DEF) pump times will be applied to repair orders opened on or after Ap

350000 EQUIPMENT

Warranty Information Letter announcing DTNA is adjusting the Standard Repair Times (SRTs) shown. The updated times will be applied to repair orders opened on or after April 5, 2021.

110000 ELECTRICAL SYSTEM

Warranty Policy Letter for battery tags. DTNA determined that since adopting the AutoMeter BCT-460DTNA Powernet Assessment Tool (AutoMeter) as the required powernet system tester, not all battery tags have to be retained support Warranty-re

350000 EQUIPMENT

100000 POWER TRAIN

Detroit Field Service Campaign for DT12 Gear Grind During Downshift Software Update.

350000 EQUIPMENT

Updated Western Star Parts Technical Bulletin for Universal Design Floor Mats. This bulletin replaces the version dated February 12, 2021. Information about parts notes in the Paragon system have been added and the trimming instructions are

060000 ENGINE AND ENGINE COOLING

Revised Technical Service Letter for Cold Weather Faults on GHG17/21 DD13 with MCM Software Version 14. Due to colder weather, there may be an increase in the frequency of faults, noted below, on GHG17/21 DD13 trucks built after June 5th 20

060000 ENGINE AND ENGINE COOLING

Starting on November 23, 2020, DiagnosticLink 8.13 (Build 4527) was made available. Current subscribers of DiagnosticLink 8.11 or 8.12 may upgrade to DiagnosticLink 8.13 at no cost. All DTNA Service shops & OEM locations are required to mai

350000 EQUIPMENT

Warranty Information Letter for Body Builder/Truck Equipment Manufacturer Demonstration Program.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

Warranty Information Letter for Body Builder/Truck Equipment Manufacturer Demonstration Program.

060000 ENGINE AND ENGINE COOLING

Warranty Information Letter for Detroit NOx Sensor Circuit Fault Codes - Claim Guidelines.

110000 ELECTRICAL SYSTEM

Warranty Information Letter for Detroit NOx Sensor Circuit Fault Codes - Claim Guidelines.

350000 EQUIPMENT

Warranty Information Letter for Detroit NOx Sensor Circuit Fault Codes - Claim Guidelines.

356000 EQUIPMENT ADAPTIVE/MOBILITY

Warranty Information Letter for Detroit NOx Sensor Circuit Fault Codes - Claim Guidelines.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

Superseding Letter to an Important Campaign Information Letter to announce a reimbursement available to dealers for travel to a customer's location to perform a recall or field service campaign. Potential travel reimbursement applies to DTN

350000 EQUIPMENT

Western Star Parts Technical Bulletin for Universal Design Floor Mats. Universal floor mat designs fit multiple cab configurations and may require trimming. Trim lines displaying size options are scored into the pad side of the mat; use an

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

Revised Warranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance. In the spirit of continuous improvement, DTNA reviewed sublet-related policies and procedures. The goal was to improve language c

100000 POWER TRAIN

Tech Talk discussion on western star PTO.

350000 EQUIPMENT

Tech Talk discussion on western star PTO.

060000 ENGINE AND ENGINE COOLING

Warranty Information Letter for Detroit Resources: Exploded View DD Platform and DT12 Posters. Detroit's TechComm team created visual aids for the network and released exploded view posters for DD platform engines. In early 2021, Detroit ad

100000 POWER TRAIN

060000 ENGINE AND ENGINE COOLING

Tech Talk discussion on tool push.

350000 EQUIPMENT

Western Star Service Bulletin for Access to Front Brake Zerk Fittings. Certain vehicles with Detroit front axles and Meritor EX-L front air disc brakes do not have access to the front brake zerk fittings for lubrication.

356000 EQUIPMENT ADAPTIVE/MOBILITY

030000 BRAKES (PWS)

100000 POWER TRAIN

Western Star Service Bulletin for Axle Flange Gasket Replaced with O-Ring. Daimler Trucks North America has released a new axle shaft to hub rubber O-ring (part number 11-30728-000) as a replacement for the paper gasket (part number 11-1441

010000 STEERING

Revised Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing. Revisions are in blue. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been

100000 POWER TRAIN

010000 STEERING

Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing. With Mascot now in partnership with Detroit Reman and Alliance Parts, DTNA is pleased to announce that Mascot coverage has been added to OWL. Remanufactured A

100000 POWER TRAIN

350000 EQUIPMENT

356000 EQUIPMENT ADAPTIVE/MOBILITY

010000 STEERING

Tech Talk discussion on TRW GEAR-STRG,THP60,1200RAD,AB,ST. Steering exhibits shutter when turning left.

110000 ELECTRICAL SYSTEM

Western Star Service Bulletin for Powernet Troubleshooting Guide - Batteries, Path, Alternator, and Starter. When troubleshooting powernet issues, use the BCT-460DTNA PowerNet Assessment Tool. As of May 29, 2018, the AutoMeter is the only D

350000 EQUIPMENT

100000 POWER TRAIN

Revised Technical Service Letter for Detroit DT12 TCM GHG17 Only; Bootloader Update. On Detroit DT12 equipped vehicles, it may be necessary to complete an additional step in the programming process when updating the TCM software.

118000 ELECTRICAL SYSTEM:SOFTWARE

060000 ENGINE AND ENGINE COOLING

Technical Service Letter for Cold Weather Faults on GHG17/21 DD13 with MCM Software Version 14. Due to colder weather, there may be an increase in the frequency of faults, noted below, on GHG17/21 DD13 trucks built after June 5th 2019. This

103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

118000 ELECTRICAL SYSTEM:SOFTWARE

110000 ELECTRICAL SYSTEM

Western Star Service Bulletin for Ordering Options for Aftermarket Power Distribution Modules (PDMs). For certain Western Star 4700 or 5700 vehicles, power distribution modules (PDMs) are typically ordered in the aftermarket by serial numbe

020000 SUSPENSION

Revised Service Solution for 20K Detroit Axle King Pin Lube Access. Western Star trucks equipped with 20k Detroit front axles and disc brakes built up to 8/17/2020 do not have sufficient room to access the king pin grease zerk.

350000 EQUIPMENT

Portland Truck Plant Paint Changes

356000 EQUIPMENT ADAPTIVE/MOBILITY

Portland Truck Plant Paint Changes

060000 ENGINE AND ENGINE COOLING

DDC Technical Service Letter for GHG17 DD Platform Heavy Duty Oil Pan Drain Plug Inserts. Some GHG17 DD Platform Heavy Duty oil pans may experience an issue with the oil pan drain plug insert spinning during removal or installation while co

356000 EQUIPMENT ADAPTIVE/MOBILITY

130000 VISIBILITY

Tech Talk discussion on SS 1034711 HADLEY MIRROR

350000 EQUIPMENT

Tech Talk discussion on SS 1034711 HADLEY MIRROR

356000 EQUIPMENT ADAPTIVE/MOBILITY

Tech Talk discussion on SS 1034711 HADLEY MIRROR

110000 ELECTRICAL SYSTEM

Western Star Service Bulletin for Connecting the Chassis Harness Connector to the Cab Front Wall 104-Way Pass-Through Connector. This bulletin describes how the chassis harness connector functions and how to verify the four locks of the ter

350000 EQUIPMENT

061110 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS

Detroit Diesel Special Publication informing about Heavy Duty Friction Style Belt Tensioner Kit. This heavy duty friction style belt tensioner kit contains the belt tensioner and two M10 bolts to correctly pin the friction style belt tensio

062200 ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

060000 ENGINE AND ENGINE COOLING

Revised Technical Service Letter for DD Heavy Duty Platform Belt Tensioner Change. A newly designed, dual-arm friction shoe damping tensioner was implemented for the DD Heavy Duty Platform. The revision includes additional information on re

010000 STEERING

Tech Talk discussion about power steering fluid.

350000 EQUIPMENT

Tech Talk discussion about power steering fluid.

060000 ENGINE AND ENGINE COOLING

Tech Talk discussion on repair verification for codes like 'low air flow' when a trailer is not available.

060000 ENGINE AND ENGINE COOLING

Customer Service Announcement for Release of DiagnosticLink 8.12 Service Pack 2. On Thursday, September 3, 2020, Service Pack (SP) 2 for DiagnosticLink 8.12 Standard and Professional will be made available to download from the Detroit Diese

110000 ELECTRICAL SYSTEM

350000 EQUIPMENT

060000 ENGINE AND ENGINE COOLING

Important Campaign Information Letter informing that revised bulletins for Detroit Diesel campaigns D20R1REV1 and D20M8REV1 have been posted on DTNAConnect.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

Important Campaign Information Letter informing that revised bulletins for Detroit Diesel campaigns D20R1REV1 and D20M8REV1 have been posted on DTNAConnect.

100000 POWER TRAIN

Meritor Transfer Case Updates

350000 EQUIPMENT

Meritor Transfer Case Updates

356000 EQUIPMENT ADAPTIVE/MOBILITY

Meritor Transfer Case Updates

060000 ENGINE AND ENGINE COOLING

Revised Detroit Emissions Recall for Daimler Trucks North America LLC, on behalf of its Detroit Powertrain Division, has determined that some Model Year 2020 GHG21 DD13 engines require reprogramming of the MCM to meet certification. NOTE: R

118000 ELECTRICAL SYSTEM:SOFTWARE

100000 POWER TRAIN

Service Solution for 20K Detroit Axle King Pin Lube Access. WST trucks equipped with 20k Detroit front axles and disc brakes built up to 8/17/2020 do not have sufficient room to access the king pin grease zerk.

161000 STRUCTURE:FRAME AND MEMBERS

Removable Front Tow Hook Changes

210000 TRAILER HITCHES

Removable Front Tow Hook Changes

350000 EQUIPMENT

Removable Front Tow Hook Changes

118000 ELECTRICAL SYSTEM:SOFTWARE

Detroit Emissions Recall for GHG21 Detroit DD13 Model Year 2020 Software Reprogramming. Daimler Trucks North America LLC, on behalf of its Detroit Powertrain Division, has determined that some Model Year 2020 GHG21 DD13 engines require repr

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

Revised letter is to announce a reimbursement available to dealers for travel to a customer's location to perform a recall or field service campaign. Potential travel reimbursement applies to DTNA truck dealers and Detroit Diesel distributo

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

Warranty Information Letter informing that to ensure that DTNA policies and service network practices align, the Warranty Department will be revising the Warranty Manual.

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

Warranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance. In the spirit of continuous improvement, DTNA reviewed sublet-related policies and procedures. The goal was to improve language clarity a

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

Important Campaign Information letter announcing Dealer Travel for Campaign Performance. This letter is to announce a reimbursement available to dealers for travel to a customer??A???A???A???A???A???A???A???A???A???A???A???A?s location to p

010000 STEERING

Customer Advisory Letter for Torque Validation of Steering Wheel Mounting Bracket Bolts. Western Star 4700 & 4900 vehicles equipped with a certain steering wheel mounting bracket bolt installation may have a low toque value setting.

350000 EQUIPMENT

356000 EQUIPMENT ADAPTIVE/MOBILITY

010000 STEERING

350000 EQUIPMENT

022000 SUSPENSION:REAR

Western Star Bulletin for Non-Airliner Rear Suspension Crossmember Fastener Change. With the start of production on March 2, 2020, the fasteners used to assemble the non-Airliner rear suspension (bogie) crossmember have changed. The rear su

350000 EQUIPMENT

356000 EQUIPMENT ADAPTIVE/MOBILITY

Showing 100 of 130 bulletins.

WESTERN STAR 4700 - All Years Overview

Complete safety history for the WESTERN STAR 4700 across all model years (2002, 2023).

127 Total Recalls

10 Total Complaints

0 Investigations

1 Reported Crashes

0 Reported Fires

0 Reported Deaths

WESTERN STAR 4700 - Year by Year

Compare recalls and complaints across model years. Click any year to see full details.

Year	Recalls	Complaints
2024	0	1	View
2023	4	0	View
2022	8	0	View
2021 (current)	14	1
2020	12	6	View
2019	14	0	View
2018	12	1	View
2017	9	1	View
2016	7	0	View
2015	12	0	View
2014	9	0	View
2013	5	0	View
2012	4	0	View
2011	3	0	View
2010	3	0	View
2009	3	0	View
2008	2	0	View
2007	1	0	View
2006	1	0	View
2005	1	0	View
2004	1	0	View
2003	1	0	View
2002	1	0	View

Other WESTERN STAR Models

Model	Recalls	Complaints
4900	288	26	View
49X	224	1	View
47X	161	2	View
5700	119	7	View
6900	98	1	View
57X	68	0	View
CONVENTIONAL	63	4	View
WESTERN STAR	40	8	View

Vehicle Safety

Consumer Safety

Infrastructure

Public Health

2021 WESTERN STAR 4700

Complaint Statistics

Top Reported Components

Technical Service Bulletins, 2021 WESTERN STAR 4700

Most Affected Components

WESTERN STAR 4700 - All Years Overview

WESTERN STAR 4700 - Year by Year

Other WESTERN STAR Models