AutoStatsIQ
Data through Oct 2026
Model year

2020 Western Star 4800

Body and fuel not decoded. Owner complaints on file from no date to no date.

Recalls (0)Complaints (0)Investigations (0)Bulletins (87)
Recall campaigns covering this model year0No recall campaign lists this model year
Owner complaints0Not enough peers on file
Severity indexNoneCrash, fire, injury or death per 100
First 24 months0Complaints in its first two years
Complaints over time

Complaints about the 2020 Western Star 4800 by year filed

Owner complaints about this model year, by the year they were filed with NHTSA.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. The lighter column runs through October.
Components

Complaints by component

Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.

No campaigns match these filters.Reset filters
Source: NHTSA ODI complaints file. A complaint can name more than one component; it is counted under the first.
Recalls

No recall campaign lists the 2020 Western Star 4800

Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.

Source: NHTSA ODI recalls file.
Look up a VIN at NHTSA
Owner complaints

What owners reported about the 2020 Western Star 4800

The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.

0 complaints on file.

    Source: NHTSA ODI complaints file.
    Investigations

    NHTSA has not opened an investigation on this model year

    Source: NHTSA ODI investigations file.
    All investigations
    Service bulletins

    87 manufacturer communications cover this model year

    Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.

    • VSWP Customer Letter May 21, 2024 · Other
      Customer letter regarding variable speed water pump.
    • CALWS83-001REV Dec 9, 2021 · Service Bulletin/Repair Instructions
      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 vehicles equipped wi…
    • ICI21-030 Oct 18, 2021 · Service Bulletin/Repair Instructions
      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 · Service Bulletin/Repair Instructions
      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 water intrusion …
    • SS1033094 May 12, 2017 · Service Bulletin/Repair Instructions
      Service Solution SS 1033094 KUS Float Tube Fuel Level Sensor Inform...
    • WSTCAE180-2020 Oct 13, 2020 · Service Bulletin/Repair Instructions
      Portland Truck Plant Paint Changes
    • WSTCAE172-2020 Jan 24, 2020 · Service Bulletin/Repair Instructions
      Tractor Reflective Devices
    • WSTCAE171-2019 Mar 5, 2019 · Service Bulletin/Repair Instructions
      Allison FuelSense 2.0
    • WSTCAE169-2018 Dec 18, 2018 · Service Bulletin/Repair Instructions
      Electronic Stability Control Requirement for US and Canadian Tractors
    • WP60-100 Mar 10, 2021 · Service Bulletin/Repair Instructions
      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 revised. Univers…
    • SBW54-057 Oct 27, 2020 · Service Bulletin/Repair Instructions
      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 Daimler-approved t…
    • TechTalk8106 Feb 4, 2021 · Service Bulletin/Repair Instructions
      Tech Talk discussion on 2020 Western Star 4800 signal lights dim to start.
    • 21OEM-06 Feb 19, 2021 · Service Bulletin/Repair Instructions
      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 maintain the latest …
    • WP60-100 Feb 12, 2021 · Service Bulletin/Repair Instructions
      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 existing floor ma…
    • ICI21-003 Feb 15, 2021 · Service Bulletin/Repair Instructions
      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 DTNA truck dealers a…
    • SBW35-018 Dec 17, 2020 · Service Bulletin/Repair Instructions
      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 11-14418-000). The new O…
    • SBW42-014 Dec 17, 2020 · Service Bulletin/Repair Instructions
      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 · Service Bulletin/Repair Instructions
      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 added to OWL. Re…
    • WP20-018 Dec 7, 2020 · Service Bulletin/Repair Instructions
      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 Alliance/Mascot pa…
    • TechTalk7774 Oct 8, 2020 · Service Bulletin/Repair Instructions
      Tech Talk discussion on SS 1034711 HADLEY MIRROR
    • 18SP736 Sep 30, 2020 · Service Bulletin/Repair Instructions
      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 tensioner. The M10x80mm…
    • 20TS-03REV2 Sep 29, 2020 · Service Bulletin/Repair Instructions
      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 retrofit and servic…
    • TechTalk7698 Sep 18, 2020 · Service Bulletin/Repair Instructions
      Tech Talk discussion on dim brake lights.
    • TechTalk7679 Sep 15, 2020 · Service Bulletin/Repair Instructions
      Tech Talk discussion on repair verification for codes like 'low air flow' when a trailer is not available.
    • TechTalk4725 Sep 22, 2020 · Service Bulletin/Repair Instructions
      Tech Talk discussion about power steering fluid.
    • ICI20-022R Aug 11, 2020 · Service Bulletin/Repair Instructions
      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 distributors. Thomas Built …
    • ICI20-022 Aug 3, 2020 · Service Bulletin/Repair Instructions
      Important Campaign Information letter announcing Dealer Travel for Campaign Performance. This letter is to announce a reimbursement available to dealers for travel to a customerÃÂâÃÂÃÂÃÂÙs location to perform a recall or field service campaign.
    • WI20-014 Aug 3, 2020 · Service Bulletin/Repair Instructions
      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 and optimize proce…
    • WI20-012 Aug 3, 2020 · Service Bulletin/Repair Instructions
      Warranty Information Letter informing that to ensure that DTNA policies and service network practices align, the Warranty Department will be revising the Warranty Manual.
    • 20TS-05 Jul 27, 2020 · Service Bulletin/Repair Instructions
      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 in pairs and or ca…
    • 20OEM-05 Jul 27, 2020 · Service Bulletin/Repair Instructions
      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 · Service Bulletin/Repair Instructions
      Customer Service Announcement informing that Service Pack (SP) 1 for DiagnosticLinkÃÂÃÂÃÂî 8.12 Standard and Professional is available to download from the Detroit Diesel server.
    • TS1033768 Aug 13, 2018 · Service Bulletin/Repair Instructions
      Training Solution for Western Star Front Brake Squeal - Burnishing Procedure. The brake burnishing procedure can be used to help reduce brake related noise or imbalance concerns which may occur in the field.
    • 20CSA-09 Jul 23, 2020 · Service Bulletin/Repair Instructions
      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, incomplete progr…
    • SBW60-027 Jul 13, 2020 · Service Bulletin/Repair Instructions
      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 disinfecting proce…
    • TS1033014 Mar 9, 2017 · Service Bulletin/Repair Instructions
      Training Solutions for Fuel Leak Found at High Pressure Fuel Pump Weep Hole for Heavy Duty DD Engines. Occasionally we see trucks come in with fuel leaking from the high pressure fuel pump weep hole. This is NOT a defect in the pump and further diagnostics …
    • SBW31-016 Jul 28, 2020 · Service Bulletin/Repair Instructions
      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 suspension bogie cr…
    • 20OEM-04 Jun 25, 2020 · Service Bulletin/Repair Instructions
      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 number for the ACM mod…
    • 20CSA-08 Jun 10, 2020 · Service Bulletin/Repair Instructions
      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 DiagnosticLink 8.12 at…
    • 20TS-03REV Jun 25, 2020 · Service Bulletin/Repair Instructions
      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 · Service Bulletin/Repair Instructions
      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 defect. To improve u…
    • SS1034711 May 22, 2020 · Service Bulletin/Repair Instructions
      Service Solution for Hadley Upper Mirror Glass Vibration. The following suggestions are not guaranteed to eliminate or fix the Hadley mirror vibration concern. We have had mixed results in field-testing. In some cases, these solutions eliminate or reduce th…
    • 20TS-03 May 22, 2020 · Service Bulletin/Repair Instructions
      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.
    • SBW72-008REV May 22, 2020 · Service Bulletin/Repair Instructions
      Service Bulletin for Window Regulator Retrofit. The bulletin dated December 4, 2019 has been revised to include 4800 Models. Beginning 04/01/2019 Western Star cab doors were updated to a new style regulator and window. When replacing an older style regulato…
    • WI20-008 Apr 27, 2020 · Service Bulletin/Repair Instructions
      Warranty Information Letter for Warranty Training Online. DTNA is pleased to announce the release of new Warranty-related training videos. The videos provide Warranty content in short instructional videos that are available on demand through the AftermarkeT…
    • WP20-007 Apr 23, 2020 · Service Bulletin/Repair Instructions
      Warranty Policy Letter for Chassis Progressive Damage Policy Change. Effective for repair orders opened on or after April 27, 2020, if an Authorized Service Location installed a part which later has a warrantable failure, progressive damage and labor may be…
    • WP20-006 Apr 23, 2020 · Service Bulletin/Repair Instructions
      Warranty Policy Letter for Handling for Authorized Service Location Part Transfers. To promote 24-hour throughput and maximum efficiency, DTNA is adjusting multiple handling policies: Launching a new handling allowance for parts ordered from another Author…
    • WP20-005 Apr 22, 2020 · Service Bulletin/Repair Instructions
      Warranty Policy Letter for Handling Change: Over the Counter Aftermarket Parts Replacement Program. DTNA is pleased to announce that handling will increase to 33% for Misc. Replacement Part type claims filed under the Over the Counter (OTC) Aftermarket Part…
    • WI20-004 Apr 21, 2020 · Service Bulletin/Repair Instructions
      Warranty Information Letter for Warranty Long Block Program Change. The Detroit Reman Long Block Program has expanded. The expansion reduces complexity in ordering reman engines and promotes stocking reman engines to meet uptime commitments.
    • 20CSA-04 Mar 20, 2020 · Service Bulletin/Repair Instructions
      Customer Service Announcement saying that Service Pack (SP) 3 for DiagnosticLink® 8.11 Standard and Professional will be available for download from the Detroit Diesel server.
    • 03.2020 Campaign Mar 17, 2020 · Service Bulletin/Repair Instructions
      Open recall and Field service Campaigns report send out to Dealers, General Managers, Service managers and warranty managers.
    • WP20-002 Mar 17, 2020 · Service Bulletin/Repair Instructions
      Warranty Policy Letter explaining the Warranty Department is aligning with the frame rail repair policy, published in DTNA Workshop Manuals, which states that there are very few cases in which welding a heat-treated frame rail is allowed. Therefore, before …
    • 20TS-02 Mar 5, 2020 · Service Bulletin/Repair Instructions
      Technical Service Letter for DD Platform Heavy Duty, Metal in the Oil and Oil Filter. Some engine component failures can cause metallic debris to circulate throughout the engine lubrication system. Although the oil filter will capture most of this debris, s…
    • 20CSA-03 Mar 5, 2020 · Service Bulletin/Repair Instructions
      Customer Service Announcement saying that Service Pack (SP) 2 for Diagnostic Link 8.11 Standard and Professional will be available for download from the Detroit Diesel server.
    • 02.2020 Campaign Mar 4, 2020 · Service Bulletin/Repair Instructions
      Open recall and Field service Campaigns report send out to Dealers, General Managers, Service managers and warranty managers
    • SS1034179 Feb 19, 2020 · Service Bulletin/Repair Instructions
      Service Solution on Western Star speedometers. For certain speedometers the speedometer may drop out or the odometer may reset to zero.
    • SBW54-061 Feb 14, 2020 · Service Bulletin/Repair Instructions
      Service Bulletin for Guidelines for Repairing or Replacing an Electrical Harness. Use the guidelines in this bulletin to determine if a damaged electrical harness should be repaired or replaced.
    • WP20-001REV Feb 14, 2020 · Service Bulletin/Repair Instructions
      Revision to a Warranty Policy Letter announcing the One Stop Supplier Extended Program Launch. The One Stop Supplier Extended Program streamlines the claim filing process because with One Stop Supplier Extended, the service network will file claims for some…
    • 20CSA-02 Jan 31, 2020 · Service Bulletin/Repair Instructions
      Customer Service Announcement reminding service locations to update their DiagnosticLink software. To maintain access to the Detroit server, all DiagnosticLink computers must be updated with the current version of DiagnosticLink software. all DiagnosticLink…
    • 20CSA-01 Jan 31, 2020 · Service Bulletin/Repair Instructions
      Customer Service Announcement for a policy change regarding Detroit Service Information Bulletins (SIBs) will now have a 60-day expiration, starting on the release day of the bulletin. The intent of a SIB is to notify the service network of a major change t…
    Source: NHTSA manufacturer communications files.
    About service bulletins