2020 WESTERN STAR 4700

12 recalls, 6 complaints - 226 TSBs

22V919000 Dec 12, 2022
WHEELS:RIM
Defect Description
Daimler Trucks North America, LLC (DTNA) is recalling certain 2020-2023 Freightliner 114SD, 2023 Freightliner 122SD, 2020 Western Star 4700, 2019-2022 Western Star 4900, 2019-2023 Freightliner Business Class M2, and 2021 Freightliner Cascadia vehicles. The vehicles are equipped with tires that are ... Read more
Consequence
Driving with tires that are not compatible with their rims can reduce tire performance, increasing the risk of a crash.
Remedy
Dealers will replace the tires, free of charge. Owner notification letters were mailed June 2, 2023. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-962.
49 vehicles affected
Manufacturer: Daimler Trucks North America, LLC
22V338000 May 16, 2022
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
21V965000 Dec 13, 2021
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
21V896000 Nov 17, 2021
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
21V326000 May 7, 2021
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
21V206000 Mar 24, 2021
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
20V634000 Oct 14, 2020
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
20V539000 Sep 3, 2020
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
20V281000 May 18, 2020
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
20V211000 Apr 10, 2020
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
20V127000 Mar 3, 2020
SERVICE BRAKES, AIR:DISC:CALIPER
Defect Description
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 bolt... Read more
Consequence
Loose brake caliper mounting bolts can reduce brake effectiveness, increasing the risk of a crash.
Remedy
DTNA will notify owners, and dealers will inspect and repair the vehicles, free of charge. The recall began May 1, 2020. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-845.
2,585 vehicles affected
Manufacturer: Daimler Trucks North America LLC
19V769000 Oct 25, 2019
STEERING
Defect Description
Daimler Trucks North America LLC (DTNA) is recalling certain 2020 Western Star 4700 vehicles. The steering shaft may have been improperly installed, potentially causing a loss of connection between the steering wheel and front axle wheels.
Consequence
This loss of connection would result in a loss of steering control, increasing the risk of a crash.
Remedy
DTNA will notify owners and dealers will inspect the vehicles, correcting the steering shaft installation, as necessary, free of charge. The recall began November 27, 2019. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-835.
1,331 vehicles affected
Manufacturer: Daimler Trucks North America LLC

Complaint Statistics

6 total complaints

Top Reported Components

ComponentComplaints
ENGINE2
ELECTRICAL SYSTEM1
FUEL SYSTEM, GASOLINE1
POWER TRAIN1
VEHICLE SPEED CONTROL1
FUEL SYSTEM, GASOLINE Nov 10, 2025
Incident date: Sep 26, 2025
The contact owns a 2022 GMC Terrain. The contact stated that while driving at an undisclosed speed, the engine seized. No warning lights were illuminated. The contact stated that while attempting to start the vehicle, the vehicle failed to start. The vehicle was towed to the residence. In addition, ... Read more
POWER TRAIN Nov 10, 2025
Incident date: Sep 26, 2025
The head gasket leaked and a piston warped. The symptom was feeling a piston misfire and then the car wouldn't go over 10 miles per hour. Our safety was compromised because we were on a busy (45mph) road and couldn't turn off quickly nor go fast to keep up with traffic. The problem has been reprod... Read more
VEHICLE SPEED CONTROL Nov 10, 2025
Incident date: Sep 26, 2025
The head gasket leaked and a piston warped. The symptom was feeling a piston misfire and then the car wouldn't go over 10 miles per hour. Our safety was compromised because we were on a busy (45mph) road and couldn't turn off quickly nor go fast to keep up with traffic. The problem has been reprod... Read more
ENGINE Jan 31, 2025
Incident date: Nov 5, 2024
Engine failure
ENGINE Jan 31, 2025
Incident date: Nov 5, 2024
On [XXX] driving to Las Vegas Nevada from Garden Grove California, coming down the hill north on [XXX] just 12 miles from state line our GMC shut off and went into Neutral. The Engine completely shut off and we were lucky to pull over on the side of the road with no power. Our Vehicle was towed to... Read more
ELECTRICAL SYSTEM Jan 31, 2025
Incident date: Nov 5, 2024
Computer-dash info screens and drive modes. I am unable to change or check onboard dash info upon starting vehicle. Dash does not hold settings one day to the next. Unable to get into or change settings such as trailer settings-so can’t change braking effort-dangerous when hauling 20,000# trailer... Read more

Technical Service Bulletins, 2020 WESTERN STAR 4700

226 manufacturer communications from 132 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.

Most Affected Components

ComponentBulletins
350000 EQUIPMENT53
060000 ENGINE AND ENGINE COOLING37
110000 ELECTRICAL SYSTEM20
356000 EQUIPMENT ADAPTIVE/MOBILITY19
100000 POWER TRAIN17
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL14
130000 VISIBILITY11
010000 STEERING7
SS3144-FTL Apr 25, 2024
060000 ENGINE AND ENGINE COOLING
Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
ICI24-006 Feb 20, 2024
060000 ENGINE AND ENGINE COOLING
Important Campaign Information letter for FL974 - Revised Bulletin & Population
FL974 Feb 20, 2024
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
FL974 Jan 19, 2024
060000 ENGINE AND ENGINE COOLING
Emissions Recall: Cummins DEF Sensor Shortage
SBW83-030 Jun 27, 2022
130000 VISIBILITY
Updated Western Star Service Bulletin for HVAC Actuator Replacement
SBW83-030 May 10, 2022
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
SBW49-020 Feb 15, 2022
060000 ENGINE AND ENGINE COOLING
Western Star Service Bulletin for DEF Connector Reinforcement Caps
SBW54-074 Jan 6, 2022
350000 EQUIPMENT
Revised Western Star Service Bulletin for Pana-Pacific 540 Radio Controls Not Operating Normally. Minor note: added an update of document previously submitted. The related VMRS codes are added
SBW41-002 Jan 6, 2022
100000 POWER TRAIN
Revised Western Star Service Bulletin for Drive Line Vibration. Minor note: added an update of document previously submitted. The related VMRS codes are added
CALWS83-001REV Dec 9, 2021
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
ICI21-030 Oct 18, 2021
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.
CALWS83-001 Sep 10, 2021
130000 VISIBILITY
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
CALWS83-001 Sep 10, 2021
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
SBW54-080 Jun 10, 2021
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.
SS701-WST2021 Apr 29, 2021
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.
WI21-009 Apr 19, 2021
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
WI21-008 Apr 6, 2021
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.
TechTalk12347K Mar 24, 2021
120000 EXTERIOR LIGHTING
Tech Talk discussion on dash lights not working
TechTalk12347K Mar 24, 2021
110000 ELECTRICAL SYSTEM
Tech Talk discussion on dash lights not working
TechTalk12331K Mar 23, 2021
110000 ELECTRICAL SYSTEM
Tech Talk discussion on dash lights not working.
WP21-007 Mar 22, 2021
350000 EQUIPMENT
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
WP21-007 Mar 22, 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
D21M3 Mar 16, 2021
100000 POWER TRAIN
Detroit Field Service Campaign for DT12 Gear Grind During Downshift Software Update.
WP60-100 Mar 10, 2021
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
21OEM-06 Feb 19, 2021
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
20TS-07REV Feb 19, 2021
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
WI21-005 Feb 15, 2021
350000 EQUIPMENT
Warranty Information Letter for Body Builder/Truck Equipment Manufacturer Demonstration Program.
WI21-005 Feb 15, 2021
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Warranty Information Letter for Body Builder/Truck Equipment Manufacturer Demonstration Program.
WI21-006 Feb 15, 2021
060000 ENGINE AND ENGINE COOLING
Warranty Information Letter for Detroit NOx Sensor Circuit Fault Codes - Claim Guidelines.
WI21-006 Feb 15, 2021
110000 ELECTRICAL SYSTEM
Warranty Information Letter for Detroit NOx Sensor Circuit Fault Codes - Claim Guidelines.
WI21-006 Feb 15, 2021
350000 EQUIPMENT
Warranty Information Letter for Detroit NOx Sensor Circuit Fault Codes - Claim Guidelines.
ICI21-003 Feb 15, 2021
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
WI21-006 Feb 15, 2021
356000 EQUIPMENT ADAPTIVE/MOBILITY
Warranty Information Letter for Detroit NOx Sensor Circuit Fault Codes - Claim Guidelines.
WP60-100 Feb 12, 2021
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
WI20-014R Feb 8, 2021
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
WI21-004 Feb 1, 2021
100000 POWER TRAIN
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
WI21-004 Feb 1, 2021
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
TechTalk7155 Jan 19, 2021
010000 STEERING
Tech Talk discussion on 2020 Western Star, TRW Power Steering Whine.
CALShackle Jan 8, 2021
350000 EQUIPMENT
Customer Advisory Letter for Threaded Pin and Bushing. Western Star Trucks built in 2020 with threaded pins and bushings have been found with loose shackles on the rear of the steering axle suspension. The pins are seizing from lack of lube
CALShackle Jan 8, 2021
010000 STEERING
Customer Advisory Letter for Threaded Pin and Bushing. Western Star Trucks built in 2020 with threaded pins and bushings have been found with loose shackles on the rear of the steering axle suspension. The pins are seizing from lack of lube
CALShackle Jan 8, 2021
020000 SUSPENSION
Customer Advisory Letter for Threaded Pin and Bushing. Western Star Trucks built in 2020 with threaded pins and bushings have been found with loose shackles on the rear of the steering axle suspension. The pins are seizing from lack of lube
CALShackle Jan 8, 2021
356000 EQUIPMENT ADAPTIVE/MOBILITY
Customer Advisory Letter for Threaded Pin and Bushing. Western Star Trucks built in 2020 with threaded pins and bushings have been found with loose shackles on the rear of the steering axle suspension. The pins are seizing from lack of lube
SBW35-018 Dec 17, 2020
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
SBW42-014 Dec 17, 2020
030000 BRAKES (PWS)
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.
SBW42-014 Dec 17, 2020
356000 EQUIPMENT ADAPTIVE/MOBILITY
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.
SBW42-014 Dec 17, 2020
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.
WP20-018R Dec 8, 2020
100000 POWER TRAIN
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
WP20-018R Dec 8, 2020
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
WP20-018 Dec 7, 2020
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
WP20-018 Dec 7, 2020
100000 POWER TRAIN
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
WP20-018 Dec 7, 2020
356000 EQUIPMENT ADAPTIVE/MOBILITY
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
WP20-018 Dec 7, 2020
350000 EQUIPMENT
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
SBW54-057 Oct 27, 2020
350000 EQUIPMENT
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
SBW54-057 Oct 27, 2020
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
17TS-05REV2 Oct 20, 2020
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.
17TS-05REV2 Oct 20, 2020
118000 ELECTRICAL SYSTEM:SOFTWARE
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.
20TS-07 Oct 20, 2020
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
20TS-07 Oct 20, 2020
103100 POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
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
20TS-07 Oct 20, 2020
118000 ELECTRICAL SYSTEM:SOFTWARE
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
SBW54-077 Oct 14, 2020
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
SS1034783REV Oct 13, 2020
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.
WSTCAE180-2020 Oct 13, 2020
350000 EQUIPMENT
Portland Truck Plant Paint Changes
WSTCAE180-2020 Oct 13, 2020
356000 EQUIPMENT ADAPTIVE/MOBILITY
Portland Truck Plant Paint Changes
20TS-06 Oct 12, 2020
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
20TS-06 Oct 12, 2020
356000 EQUIPMENT ADAPTIVE/MOBILITY
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
TechTalk7774 Oct 8, 2020
356000 EQUIPMENT ADAPTIVE/MOBILITY
Tech Talk discussion on SS 1034711 HADLEY MIRROR
TechTalk7774 Oct 8, 2020
350000 EQUIPMENT
Tech Talk discussion on SS 1034711 HADLEY MIRROR
TechTalk7774 Oct 8, 2020
130000 VISIBILITY
Tech Talk discussion on SS 1034711 HADLEY MIRROR
18SP736 Sep 30, 2020
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
18SP736 Sep 30, 2020
062200 ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
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
20TS-03REV2 Sep 29, 2020
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
TechTalk4725 Sep 22, 2020
010000 STEERING
Tech Talk discussion about power steering fluid.
TechTalk4725 Sep 22, 2020
350000 EQUIPMENT
Tech Talk discussion about power steering fluid.
TechTalk7679 Sep 15, 2020
060000 ENGINE AND ENGINE COOLING
Tech Talk discussion on repair verification for codes like 'low air flow' when a trailer is not available.
20CSA-15 Aug 31, 2020
350000 EQUIPMENT
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
20CSA-15 Aug 31, 2020
110000 ELECTRICAL SYSTEM
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
20CSA-15 Aug 31, 2020
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
WSTCAE177-2020 Aug 26, 2020
100000 POWER TRAIN
Meritor Transfer Case Updates
WSTCAE177-2020 Aug 26, 2020
350000 EQUIPMENT
Meritor Transfer Case Updates
WSTCAE177-2020 Aug 26, 2020
356000 EQUIPMENT ADAPTIVE/MOBILITY
Meritor Transfer Case Updates
SS1034783 Aug 21, 2020
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.
WSTCAE176-2020 Aug 20, 2020
210000 TRAILER HITCHES
Removable Front Tow Hook Changes
WSTCAE176-2020 Aug 20, 2020
350000 EQUIPMENT
Removable Front Tow Hook Changes
WSTCAE176-2020 Aug 20, 2020
161000 STRUCTURE:FRAME AND MEMBERS
Removable Front Tow Hook Changes
ICI20-022R Aug 11, 2020
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
ICI20-022 Aug 3, 2020
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
WI20-012 Aug 3, 2020
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.
WI20-014 Aug 3, 2020
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
SBW31-016 Jul 28, 2020
356000 EQUIPMENT ADAPTIVE/MOBILITY
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
SBW31-016 Jul 28, 2020
350000 EQUIPMENT
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
SBW31-016 Jul 28, 2020
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
20TS-05 Jul 27, 2020
060000 ENGINE AND ENGINE COOLING
Technical Service Letter for EPA10, GHG14, GHG17 Diesel Particulate Filter (DPF) Compatibility. Note: This document supersedes 14 TS-25 and 15 TS-8. Detroit Diesel has determined that some, Diesel Particulate Filters (DPFs) are compatible i
20OEM-05 Jul 27, 2020
060000 ENGINE AND ENGINE COOLING
OEM and distributor announcement for DiagnosticLink 8.12 (Build 4527) was made available. All DTNA Service shops & OEM locations are required to maintain the latest version of software on each of their stations.
20CSA-10 Jul 27, 2020
060000 ENGINE AND ENGINE COOLING
Customer Service Announcement informing that Service Pack (SP) 1 for DiagnosticLink??A???A???A???A???A???A???A???A? 8.12 Standard and Professional is available to download from the Detroit Diesel server.
20CSA-09 Jul 23, 2020
060000 ENGINE AND ENGINE COOLING
Customer Service Announcement for DiagnosticLink Software Update Reminder. Due to various software changes and fixes, vehicles will require DiagnosticLink 8.12 to perform functional programming. Failure to use this version may cause errors,
SBW60-027 Jul 13, 2020
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Service Bulletin for Guidelines for Cleaning and Disinfecting Cab Surfaces. The following guidelines are for cleaning and disinfecting commonly touched surfaces on the inside and outside of a vehicle. For best results, follow cleaning and d
20OEM-04 Jun 25, 2020
060000 ENGINE AND ENGINE COOLING
OEM and distributor announcement for Running Change to ACM Software for MY2020. There is an upcoming running change (RC1) for ACM software that will be installed when OEMs or distributors program with DiagnosticLink. The hardware part numbe
20TS-03REV Jun 25, 2020
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.
WI20-009 Jun 10, 2020
060000 ENGINE AND ENGINE COOLING
Warranty Information Letter for a Warranty Service Replacement Engine Program Clarification. Detroit established the Warranty Service Replacement Engine Program to support an unrepairable catastrophic engine failure due to manufacturing def
20CSA-08 Jun 10, 2020
060000 ENGINE AND ENGINE COOLING
Customer Service Announcement for Release of DiagnosticLink 8.12. On Wednesday, June 10, 2020, DiagnosticLink 8.12 will be made available for download from the ordering system. Current subscribers of DiagnosticLink 8.xx can upgrade to Diagn

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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 14 1 View
2020 (current) 12 6
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