2021 WESTERN STAR 4900
9 recalls, 0 complaints - 149 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.
21V946000 Dec 8, 2021
STEERING:GEAR BOX:SHAFT SECTOR
Defect Description
Daimler Trucks North America, LLC (DTNA) is recalling certain 2021-2022 Western Star 4900 vehicles. The steering shaft pinch bolt may not have been properly tightened, allowing the steering shaft to separate from the steering gear.
Consequence
Steering shaft separation may cause a loss of steering control, increasing the risk of a crash.
Remedy
Dealers will inspect and replace the pinch bolt as necessary, free of charge. Owner notification letters were mailed on February 28, 2022. Owners may contact DTNA customer service at 1-800-547-0712. DTNA's number for this recall is FL-914.
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
21V369000 May 19, 2021
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.
21V256000 Apr 12, 2021
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.
20V660000 Oct 27, 2020
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.
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.
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.
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.
No complaints found for this vehicle.
Technical Service Bulletins, 2021 WESTERN STAR 4900
149 manufacturer communications from 90 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.
Most Affected Components
| Component | Bulletins |
|---|---|
| 060000 ENGINE AND ENGINE COOLING | 35 |
| 350000 EQUIPMENT | 29 |
| 356000 EQUIPMENT ADAPTIVE/MOBILITY | 14 |
| 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL | 11 |
| 110000 ELECTRICAL SYSTEM | 11 |
| 100000 POWER TRAIN | 10 |
| 130000 VISIBILITY | 8 |
| 118000 ELECTRICAL SYSTEM:SOFTWARE | 5 |
SS3144-FTL
Apr 25, 2024
060000 ENGINE AND ENGINE COOLING
Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
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
ICI24-006
Feb 20, 2024
060000 ENGINE AND ENGINE COOLING
Important Campaign Information letter for FL974 - Revised Bulletin & Population
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
ICI22-017
Apr 13, 2022
100000 POWER TRAIN
Important 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 EX
SBW49-020
Feb 15, 2022
060000 ENGINE AND ENGINE COOLING
Western Star Service Bulletin for DEF Connector Reinforcement Caps
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.
SF613
Oct 1, 2021
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
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
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
SS708-WST2021
Jun 11, 2021
110000 ELECTRICAL SYSTEM
Western Star Service Solution for Low Voltage Disconnect (LVD) Troubleshooting: Western Star 5700 and New 4700.
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.
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
D21M1
Apr 19, 2021
100000 POWER TRAIN
Detroit Field Service Campaign for DT12 Transmission Drive Shaft Cover Plug Reseal. Daimler Trucks North America LLC, on behalf of its DETROIT Powertrain Division, is initiating Field Service Campaign D21M1 on certain DT12 transmissions in
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.
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
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
TechTalk12312K
Mar 18, 2021
180000 VEHICLE SPEED CONTROL
Tech Talk discussion on suspended accelerator pedal being uncomfortable for ice road operation.
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
DT12 Trans Chafe
Mar 10, 2021
100000 POWER TRAIN
DTNA received a field notification on multiple units regarding diagnostic fault codes that were found to be causing issues to the After Treatment Control Module (ACM). These fault codes indicated that the ACM communication message was not r
DT12 Trans Chafe
Mar 10, 2021
350000 EQUIPMENT
DTNA received a field notification on multiple units regarding diagnostic fault codes that were found to be causing issues to the After Treatment Control Module (ACM). These fault codes indicated that the ACM communication message was not r
DT12 Trans Chafe
Mar 10, 2021
356000 EQUIPMENT ADAPTIVE/MOBILITY
DTNA received a field notification on multiple units regarding diagnostic fault codes that were found to be causing issues to the After Treatment Control Module (ACM). These fault codes indicated that the ACM communication message was not r
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
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
21TS-04
Feb 19, 2021
060000 ENGINE AND ENGINE COOLING
Technical Service Letter for Gen 5 DD15 Instrument Panel Oil Pressure Gauge Operation. Gen 5 DD15 equipped units have been brought in for service with a complaint of the instrument panel oil pressure gauge not moving during unit operation a
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.
WI21-006
Feb 15, 2021
356000 EQUIPMENT ADAPTIVE/MOBILITY
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
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
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
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
WI21-003
Jan 25, 2021
060000 ENGINE AND ENGINE COOLING
Warranty Information Letter for Detroit Bearing Failures - Standard Diagnostic Times. DTNA is increasing repair strategies for determining the root cause of Detroit DD heavy duty lower end bearing failures. To support this strategy change,
WI21-003
Jan 25, 2021
350000 EQUIPMENT
Warranty Information Letter for Detroit Bearing Failures - Standard Diagnostic Times. DTNA is increasing repair strategies for determining the root cause of Detroit DD heavy duty lower end bearing failures. To support this strategy change,
WI21-003
Jan 25, 2021
356000 EQUIPMENT ADAPTIVE/MOBILITY
Warranty Information Letter for Detroit Bearing Failures - Standard Diagnostic Times. DTNA is increasing repair strategies for determining the root cause of Detroit DD heavy duty lower end bearing failures. To support this strategy change,
21TS-01
Jan 25, 2021
060000 ENGINE AND ENGINE COOLING
Technical Service Letter for Detroit Bearing Failures - Standard Diagnostic Times. DTNA is increasing repair strategies for determining the root cause of Detroit DD heavy duty lower end bearing failures. To support this strategy change, Det
21TS-01
Jan 25, 2021
350000 EQUIPMENT
Technical Service Letter for Detroit Bearing Failures - Standard Diagnostic Times. DTNA is increasing repair strategies for determining the root cause of Detroit DD heavy duty lower end bearing failures. To support this strategy change, Det
TechTalk8044
Jan 15, 2021
060000 ENGINE AND ENGINE COOLING
Tech Talk discussion on Western Star No Start.
TechTalk8044
Jan 15, 2021
110000 ELECTRICAL SYSTEM
Tech Talk discussion on Western Star No Start.
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.
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
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.
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
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
WP20-018R
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
WP20-018
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
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
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
20TS-09
Dec 6, 2020
060000 ENGINE AND ENGINE COOLING
Technical Service Letter for SPN 3711 FMI 31 on GHG17 DD15 Trucks.
18SP744
Nov 30, 2020
060000 ENGINE AND ENGINE COOLING
Special Publication letter for Two-Filter Fuel System KM59 GEN1 DD15 DD16 Severe Duty High Pressure Fuel Rail Feed Lines Service Kit.
18SP744
Nov 30, 2020
073100 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL
Special Publication letter for Two-Filter Fuel System KM59 GEN1 DD15 DD16 Severe Duty High Pressure Fuel Rail Feed Lines Service Kit.
18SP744
Nov 30, 2020
356000 EQUIPMENT ADAPTIVE/MOBILITY
Special Publication letter for Two-Filter Fuel System KM59 GEN1 DD15 DD16 Severe Duty High Pressure Fuel Rail Feed Lines Service Kit.
TechTalk7901
Nov 18, 2020
114000 ELECTRICAL SYSTEM:WIRING
Tech Talk discussion on Delayed Wiper Response.
TechTalk7901
Nov 18, 2020
130000 VISIBILITY
Tech Talk discussion on Delayed Wiper Response.
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
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
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
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
130000 VISIBILITY
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
356000 EQUIPMENT ADAPTIVE/MOBILITY
Tech Talk discussion on SS 1034711 HADLEY MIRROR
SBW54-076
Oct 7, 2020
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
SBW54-076
Oct 7, 2020
350000 EQUIPMENT
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
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
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
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
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
ICI20-026
Aug 26, 2020
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.
ICI20-026
Aug 26, 2020
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.
D20R1REV1
Aug 25, 2020
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
D20R1REV1
Aug 25, 2020
118000 ELECTRICAL SYSTEM:SOFTWARE
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
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.
D20R1
Aug 17, 2020
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
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
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
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
CALWST46-002
Jul 30, 2020
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.
CALWST46-002
Jul 30, 2020
350000 EQUIPMENT
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.
Showing 100 of 149 bulletins.
WESTERN STAR 4900 - All Years Overview
Complete safety history for the WESTERN STAR 4900 across all model years (1998, 2023).
236
Total Recalls
26
Total Complaints
0
Investigations
4
Reported Crashes
1
Reported Fires
2
Reported Deaths
WESTERN STAR 4900 - Year by Year
Compare recalls and complaints across model years. Click any year to see full details.
| Year | Recalls | Complaints | |
|---|---|---|---|
| 2023 | 4 | 0 | View |
| 2022 | 7 | 0 | View |
| 2021 (current) | 9 | 0 | |
| 2020 | 7 | 2 | View |
| 2019 | 15 | 2 | View |
| 2018 | 16 | 0 | View |
| 2017 | 16 | 0 | View |
| 2016 | 10 | 0 | View |
| 2015 | 14 | 4 | View |
| 2014 | 11 | 6 | View |
| 2013 | 8 | 0 | View |
| 2012 | 8 | 1 | View |
| 2011 | 14 | 2 | View |
| 2010 | 14 | 0 | View |
| 2009 | 16 | 1 | View |
| 2008 | 17 | 0 | View |
| 2007 | 14 | 0 | View |
| 2006 | 10 | 1 | View |
| 2005 | 7 | 2 | View |
| 2004 | 5 | 0 | View |
| 2003 | 2 | 0 | View |
| 2002 | 2 | 1 | View |
| 2001 | 3 | 2 | View |
| 2000 | 3 | 0 | View |
| 1999 | 2 | 0 | View |
| 1998 | 2 | 2 | View |