2019 Western Star 4900 technical service bulletins
292 technical service bulletins and manufacturer communications cover the 2019 Western Star 4900, including one warranty extension.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Warranty Information letter for Detroit Line or Line Seal, High Pressure Fuel Injector Standard Repair...
- Parts Bulletin for Fluorosilicone Fuel Tank Cap Seals
- Technical Service Bulletin for StarNet Manuals Moving to Technical Literature
- CX Advocate for NOx conversion low faults
- CX Advocate for turbo oil drain cracking
- CX Advocate for CARB tightening the Readiness Criteria applied to On-Board Diagnostic (OBD) test...
- CX Advocate for DD13 Gen 5 engines operating at high altitude experience EGR slow response fault.
- CX Advocate for GATS2.4 being expanding to DD15
- Service Solution for Detroit Successful Regen Reference for GHG17 DD Engines
- Important Campaign Information letter for DDC D23M3
- CX Advocate for NOx conversion low faults
- CX Advocate communication for NOx conversion low faults
- CX Advocate communication for clutch bolts
- Technical Service Bulletin for New Final Drive Over Heat Diagnostic
- Service Solution for Thread Spring Pin Suspension Alignment & Installation
- Customer letter regarding variable speed water pump.
- Service Solution for DEF Pump Wiring for Cummins CM2450 Engine Controller
- Revised Emissions Recall: Cummins DEF Sensor Shortage
- Important Campaign Information letter for FL974
- Emissions Recall: Cummins DEF Sensor Shortage
- Updated Western Star Service Bulletin for HVAC Actuator Replacement
- Western Star Service Bulletin for HVAC Actuator Replacement
- Important Campaign Information Letter for DDC D21M1 Termination Date Extended
- Western Star Service Bulletin for DEF Connector Reinforcement Caps
- Revised Western Star Service Bulletin for Drive Line Vibration
- HVAC Actuator Wiring Harness
- SF626 Western Star Window Replacement Inspection Notification
- Customer Advisory Letter for HVAC Actuator Wiring Harness
- Western Star Service Bulletin for Key Fob ID Retention
- Warranty Information letter announcing that DTNA is increasing the Standard Diagnostic Times (SDTs) shown
- Detroit Technical Service Letter for DD13 Cylinder Head and Cylinder Head Gasket Change.
- Detroit Field Service Campaign for DT12 Transmission Drive Shaft Cover Plug Reseal
- Warranty Information Letter announcing DTNA is adjusting the Standard Repair Times (SRTs) shown
- Warranty Policy Letter for battery tags
- Updated Western Star Parts Technical Bulletin for Universal Design Floor Mats
- DTNA received a field notification on multiple units regarding diagnostic fault codes that were found to...
- Starting on November 23, 2020, DiagnosticLink 8.13 (Build 4527) was made available
- Warranty Information Letter for Body Builder/Truck Equipment Manufacturer Demonstration Program.
- Warranty Information Letter for Detroit NOx Sensor Circuit Fault Codes
- Superseding Letter to an Important Campaign Information Letter to announce a reimbursement available to...
- Western Star Parts Technical Bulletin for Universal Design Floor Mats
- Revised Warranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance
- Warranty Information Letter for Detroit Resources: Exploded View DD Platform and DT12 Posters
- Technical Service Letter for GHG17 1-Box Inlet and Outlet Exhaust Clamps
- Technical Service Letter for Detroit Bearing Failures
- Western Star Service Bulletin for Access to Front Brake Zerk Fittings
- Western Star Service Bulletin for Axle Flange Gasket Replaced with O-Ring
- Revised Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing
- Warranty Policy Letter for Alliance/Mascot Aftermarket Warranty and Claim Filing
- Technical Service Letter for SPN 3711 FMI 31 on GHG17 DD15 Trucks.
- Special Publication letter for Two-Filter Fuel System KM59 GEN1 DD15 DD16 Severe Duty High Pressure Fuel...
- Tech Talk discussion on GHG17 WST 4900 Neutral Switch Not Valid.
- Western Star Service Bulletin for Powernet Troubleshooting Guide
- Tech Talk discussion on failed engine mounts.
- Revised Technical Service Letter for Detroit DT12 TCM GHG17 Only; Bootloader Update
- Revised Service Solution for 20K Detroit Axle King Pin Lube Access
- Portland Truck Plant Paint Changes
- DDC Technical Service Letter for GHG17 DD Platform Heavy Duty Oil Pan Drain Plug Inserts
- Tech Talk discussion on SS 1034711 HADLEY MIRROR
- Detroit Diesel Special Publication informing about Heavy Duty Friction Style Belt Tensioner Kit. This...
- Revised Technical Service Letter for DD Heavy Duty Platform Belt Tensioner Change
- Tech Talk discussion about power steering fluid.
- Tech Talk discussion on repair verification for codes like 'low air flow' when a trailer is not available.
- Customer Service Announcement for Release of DiagnosticLink 8.12 Service Pack 2. On Thursday, September 3,...
- Service Solution for 20K Detroit Axle King Pin Lube Access
- Revised letter is to announce a reimbursement available to dealers for travel to a customer's location to...
- Warranty Information Letter informing that to ensure that DTNA policies and service network practices...
- Warranty Information Letter for OWL and Warranty Manual Improvement: Sublets and Travel Time/Distance
- Important Campaign Information letter announcing Dealer Travel for Campaign Performance
- Western Star Bulletin for Non-Airliner Rear Suspension Crossmember Fastener Change
- Customer Service Announcement informing that Service Pack (SP) 1 for DiagnosticLinkÃÂÃÂÃÂî 8.12...
- OEM and distributor announcement for DiagnosticLink 8.12 (Build 4527) was made available
- Technical Service Letter for EPA10, GHG14, GHG17 Diesel Particulate Filter (DPF) Compatibility
- Customer Service Announcement for DiagnosticLink Software Update Reminder
- Service Bulletin for Guidelines for Cleaning and Disinfecting Cab Surfaces
- Revised Technical Service Letter for DD Heavy Duty Platform Belt Tensioner Change
- Customer Service Announcement for Release of DiagnosticLink 8.12. On Wednesday, June 10, 2020,...
- Customer Advisory Letter for ABS ECU Software Update
- Service Bulletin for Window Regulator Retrofit
- Technical Service Letter for DD Heavy Duty Platform Belt Tensioner Change
- Service Solution for Hadley Upper Mirror Glass Vibration
- Warranty Information Letter for Warranty Training Online
- Warranty Policy Letter for Handling for Authorized Service Location Part Transfers
- Warranty Policy Letter for Chassis Progressive Damage Policy Change
- Warranty Policy Letter for Handling Change: Over the Counter Aftermarket Parts Replacement Program
- Warranty Information Letter for Warranty Long Block Program Change
- Service Bulletin for Lengthening the Backup Light Harness
- Service Solution for Lower Radiator Pipe Rubbing on X15 Cummins engine
- Customer Service Announcement saying that Service Pack (SP) 3 for DiagnosticLink® 8.11 Standard and...
- Warranty Policy Letter explaining the Warranty Department is aligning with the frame rail repair policy,...
- Open recall and Field service Campaigns report send out to Dealers, General Managers, Service managers and...
- Open recall and Field service Campaigns report send out to Dealers, General Managers, Service managers and...
- Service Bulletin for Midship Bearing Replacement for built vehicles with driveshafts SPL140, SPL170 or...
- Service Solution on Western Star speedometers
- Service Bulletin for Guidelines for Repairing or Replacing an Electrical Harness
- Customer Service Announcement for a policy change regarding Detroit Service Information Bulletins (SIBs)...
- Service Solution for Western Star Velvac Door Mirror Seal Curling
- Service Solution for Western Star vehicles equipped with Hendrickson AIRTEK Axles experiencing a Harsh Ride.
- Service Bulletin on A/C System Receiver-Drier Replacement Guidelines.
- Warranty Information Letter announcing Detroit NOx Sensor Circuit Improvements for GHG17 After Treatment...
- Technical Service Letter for GHG17 Heavy Duty Engine Platform 1-BOX Aftertreatment System (ATS) Wire...
- Service Bulletin for Midship Bearing Replacement for built vehicles with driveshafts SPL140, SPL170 or...
- Service Bulletin for Window Regulator Retrofit.
- Customer Advisory Letter for Airliner welded axle seats
- Service Solution for prematurely failing coolers on WST Models equipped with Allison Transmissions and...
- Service Solution to address WST Cab drone / vibration / tapping Under acceleration for vehicles w/Eaton...
- Service Bulletin explaining Western Star's courtesy engineering policy.
- Updated Recall Safety Bulletin for vehicles in Australia and New Zealand with DD15 engines regarding high...
- Service Bulletin for midship bearing replacement
- Owner's Letter for emissions recall FL821 for Western Star 4900 exhaust pipes emitting excess pollutants
- Emissions Recall for Western Star 4900 exhaust pipes emitting excess pollutants
- Service Solution on failing RX modules in Western Star vehicles.
- Service Solution for WABCO HP air dryer turbo cut-off valve replacement.
- Export Recall Safety Bulletin for vehicles in Australia and New Zealand with DD15 engines regarding high...
- Technical Service Letter communicating that information on DD Heavy Duty Platform Belt and Belt Tensioner...
- Parts and Service Committee meeting minutes
- Service Solution to fix AC cooling performance due to improper HVAC function.
- Service Bulletin for Equiflo Fuel System Breather Tube Inspection
- Service Bulletin for Powernet Distribution Box Functional Changes
- Field Service Campaign for Wabco HP Air Dryer Turbo Cut-off Valve
- Warranty Policy Change for Delivery-Related Changes: Electronic Proof of Delivery and Loose Component...
- Tool Letter for ICC5 Programming Cable
- PowerNet Assessment Tool Repair Procedure
- Communication to assist the field with service vibration issues on DTNA vehicles
- Tool Letter for New Tool Kit Replacement Components DDE DKICHA018006 Components 1, 2 and 3
- Tool Letter for DT12 Seal Protector Sleeve
- Tool Letter for New Final Drive Pinion Cover Install Tool
- Tool Letter for New Final Drive Driver Controlled Differential Lock Spring Compressor
- Customer Service Announcement Letter Revision for Dealers/Distributors Accessing DDEC Backdoor Passwords
- Document sent out by Service Systems Development to fix issue related to DD13 engines built between June 5...
- Service Systems Development provided document to service locations on price list reflects current charges...
- Warranty Information Letter to announce addition of Thomas Built Bus as a brand with an Authorized...
- Warranty Policy Letter to communicate remarketing handling cap for Detroit DT12 Transmission.
- Warranty Policy Letter to communicate Detroit Return Changes
- Warranty Information Letter updated to communicate warranty system updates.
- This service kit includes all necessary parts to replace the high pressure fuel rail feed lines, mounting...
- Warranty Information Letter sent to customers regarding new refrigerator supplier for returning parts.
- Service Information Bulletin was released, to add new procedures to address diagnostics near the high...
- DTNA Special Tools Group has approved the use of Haweka Axis4000 aftermarket alignment system for use on...
- The modified parked regeneration strategy has been standard on GHG17 units since the start of GHG17...
- HDEP GHG17 engines are not equipped with turbo wastegates
- Service Bulletin to testing of EGR Cooler Water Manifold Assembly in DD13 engines.
- Service Information Bulletin for Communication Loss with a Common Powertrain Controller (CPC) Module (CPC...
- Service Information Bulletin regarding PTO Dosing
- Service Information Bulletin for Symptom Diagnostics
- Service Bulletin provided to customers regarding installation of a new MCM 21-pin jumper harness.
- Training Solution created by DTNA to provide guidance to customers when searching for service information...
- Customer Advisory Letter on ATD Inlet Pipe Bellows Assembly
- Western Star Odometers Recall Bulletin
- Ss 1034171
- Brake Caliper Mounting Bolts
- D18M7 ? Replaced by Recall D18R7 (FL802)
- New Valeo A/C Compressor
- 30mm Air Disc Brake Caliper Bolt Torque Adapter DSNCHA018005
- Customer Advisory Letter- Battery Power Cable Routing
- FL794 Brake Caliper Mounting Bolts Dealer Bulletin
- Dealer Bulletin- FL766 Western Star Power Cable Studs
- Recall Bulletin FL773 Lowmax Brake Hoses
- Service Bulletin Vibration and Harsh Ride Troubleshooting
- Vibration and Harsh ride Troubleshooting
- Engine Replacement Procedures
- Warranty Bulletin for charge back exemtions
- Recall Bulletin FL766- Western Star Power Cable Studs
- Important Campaign Information- FL766 Interim Recall Ending ? Final Recall to Begin
- Release of DiagnosticLink® 8.08 Service Pack 3
- Important Warranty Information to Freightliner and Western Star dealers on Transporter Photo Requirement...
- FL772-Dealer bulletin for Brake Caliper Mounting Bolts recall
- Service Information Bulletin
- Ts 1033699: DT12
- Ts 1033768
- Training Solution for Western Star Front Brake Squeal
- Airliner Rear Suspension Crossmember Fastener Change
- Operating Hours for the Customer Assistance Center
- 0508-18
- 0504-18
- Brake Light Pressure switch may not activate the brake lights with a light application of the brake pedal.
- Improperly installed power stud may contact the bulkhead, resulting in potential arcing, which may...
- The automatic connector terminal removal tool is part of tool kit DDE KI0CHA17001.
- If a GVWR certification label is lost or damaged, Freightliner will supply a duplicate label
- In some operating conditions, water may leak into the cab onto the passenger floor through the HVAC fresh...
- With the start of production on March 6, 2018, the fasteners used to attach the slide- and plate-mount...
- With the start of production on April 2, 2018, the fasteners used to assemble Airliner rear suspension...
- 0501-18
- Aeo18M4 Field Service Campaign D18M4
- MY18M4-Bulletin-02-MAY-2018 Field Service Campaign D18M4
- Ss - 1033194 wst 4900FA
- Ss 1033403 - wst
- Ss 1033417: wst 4900
- Ss 1033462 - wst
- FL756 Brake Light Pressure Switches
- FL766 Western Star Power Cable Studs
- ICI18-016 FL756 ? Automotive Connector Terminal Removal Tool
- Sbw31014 Airliner Rear Suspension Crossmember Fastener Change
- MY18M4_Bulletin_02-MAY-2018 Field Service Campaign D18M4
- 0404-18 GHG17 DD8
- Sbw4206 Brake Shimmy?Meritor® SteeLite X30? Brake Drum With Excessive Runout
- Sbw5439 RX Module Fault Codes
- Sbw5464 Fuel Level Sending Unit Retrofit
- Ss 1033297: wst 4900
- FL758 Brake Mounting Caliper Bolts
- Fuel Level Sending Unit Retrofit
- Technical Publications Ordering
- Service Solution SS 1033094 KUS Float Tube Fuel Level Sensor Inform...
- Magnetized Fill Neck for Six-Gallon DEF Tanks
- Training Solutions for Fuel Leak Found at High Pressure Fuel Pump Weep Hole for Heavy Duty DD Engines
- RX Module Fault Codes
- Been incorrectly shimmed at the factory, and may lean slightly to the right or left
- 18SP726 ? EPA10 GHG14 Two-Filter Fuel System KM59 GEN1 DD13 High Pressure Fuel Fee
- Inspection of the DD13 Turbocharger
- Cleaning of the Exhaust Gas Recirculation Venturi Pipe Delta P Sensor Ports
- 15TS3 Detroit? Coolant Change From Nitrite Organic Acid Technology
- Sbw8325 Side Window Defroster and Cooling Improvement Retrofit
- Sbw9801 Paint Finish Standards
- Sbw5401 Turn Signal and Brake Override Circuit
- Sbw5463 Nexiq USB-Link Upgrade and Diagnostic Connector
- 15-017
- 15-015
- 15-016-DLR
- 15CSA9
- 15CSA10
- 15CSA4
- 15TS10Rev DD Engine Platform Coolant Filter
- 14TL-7Rev DD Platform Flywheel Housing Runout Tool W470589032100
- 15TL6 W470589129100 ? HDEP HP Fuel Rail Test Caps
- Sbw2023 Modine Copper/Brass Bolted Downflow Radiator Rebuilding
- 15-010-DLR
- 15-009
- 15-009_Detroit_New_SDTs
- 15TL5 davco
- 15TL4 W470589050900 ? 3/8? Drive GEN2 Two-Stage Valve Socket
- Sbw5430 Disconnecting or Connecting Daytime Running Lights
- Sbw0116 Pilot Bearing Spacer for Detroit Engines with Eaton transmissions
- Sbw5461 Guidelines for Repairing or Replacing an Electrical Harness
- Sbw2018 Western Star 4800 and 4900 Radiator Mounting
- 14TS18 GHG14 dd
- 719-14 spn 84 (CPC) (GHG14)
- 716-14 spn 4077 (MCM)(EPA07 EPA10;GHG14
- 715-14
- 714-14
- 713-14
- 712-14
- 711-14 spn 107 (CPC) (GHG14
- 710-14 spn 96 (CPC) (GHG14)
- 709-14 spn 3216 (MCM) (GHG14)
- 707-14 spn 520229 fmi 3 (IPPC) (GHG14
- 706-14 spn 171 fmi 3, 4 (CPC)(GHG14)
- 705-14 spn 520203 fmi 6 (IPPC)(GHG14)
- 704-14 spn 520200 fmi 6 (IPPC)(GHG14)
- 703-14 spn 3556 (ACM) (EPA10)
- 701-14 SPN 168 FMI 0 and 1 (IPPC)(GHG14
- 0237-14
- 35-11
- 33-4- Bearing Spacer Replacement, ConMet PreSet Steer Hubs
- 717-13
- 712-13
- 711-13 spn 100-FMI 4 - all years
- 710-13
- 707-13
- 705-13
- 702-13
- Sbw5455 Virtual Technician Retrofit
- 608-13
- Sbw0001Validity List Western Star
- Sbw4911 DEF Gauge Reading Incorrectly
- Sbw2019 Kysor Fan Clutch Rocking Runout Inspection
- Sbw3109 Huck-Spin 2 Changeover
- 12-022-DLR
- Sbw4206 Brake Shimmy
- ICI12-024-DLR SF453
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