Service bulletins for the 2006 Western Star 4900
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
176 on file from NHTSA, as of 2026-10-19.
By type
By component
| SBW83-030 | 2022-07-02. Service bulletin. VISIBILITY. Updated Western Star Service Bulletin for HVAC Actuator Replacement |
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| SBW83-030 | 2022-06-04. Service bulletin. 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 and corrosion. |
| CALWS83-001REV | 2022-01-04. Service bulletin. 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 vehicles equipped with Red Dot HVAC systems should be inspected for signs of water intrusion and corrosion. |
| ICI21-030 | 2021-11-03. Service bulletin. 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 | 2021-09-29. Service bulletin. ELECTRICAL SYSTEM; 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 water intrusion and corrosion. |
| SS1033094 | 2021-06-09. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:MANIFOLD PRESSURE (MAP) SENSOR. Service Solution SS 1033094 KUS Float Tube Fuel Level Sensor Inform... |
| Techtalk7931 | 2020-12-31. Service bulletin. ENGINE AND ENGINE COOLING. Tech Talk discussion on Injector #2 response time long. |
| SBW35-018 | 2020-12-30. Service bulletin. 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 11-14418-000). The new O-ring will provide better sealing and is reusable. It is quicker and easier to use compared to the paper gasket, because using a paper gasket requires cleaning the hub when the axle shaft is removed. |
| 20TS-01 | 2020-01-22. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. Technical Service Letter for DDC Series 60 engines concerning Series 60 Cylinder Head Resurfacing/Finish. Detroit Diesel does not recommend third party resurfacing of Series 60 cylinder heads (outside of Detroit and Detroit Reman). |
| SS1034621 | 2020-01-21. Service bulletin. SUSPENSION. Service Solution for Western Star vehicles equipped with Hendrickson AIRTEK Axles experiencing a Harsh Ride. |
| sb54313 | 2019-08-06. Service bulletin. ELECTRICAL SYSTEM. Service Bulletin provided to customers regarding installation of a new MCM 21-pin jumper harness. |
| sbw0015 | 2019-04-08. Service bulletin. SUSPENSION. Service Bulletin Vibration and Harsh Ride Troubleshooting |
| sbw0002 | 2019-04-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Technical Publications Ordering |
| sbw5464 | 2019-04-08. Service bulletin. FUEL SYSTEM, DIESEL. Fuel Level Sending Unit Retrofit |
| sbw0014 | 2018-12-10. Service bulletin. EQUIPMENT. Operating Hours for the Customer Assistance Center |
| sbw31013 | 2018-10-29. Service bulletin. EQUIPMENT; TRAILER HITCHES:FIFTH WHEEL ASSEMBLY; EQUIPMENT ADAPTIVE/MOBILITY. With the start of production on March 6, 2018, the fasteners used to attach the slide- and plate-mount style fifth wheels to the outboard angles changed to M16 metric bolts, nuts, and washers. |
| sbw8329 | 2018-10-29. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; STRUCTURE:FRAME AND MEMBERS. In some operating conditions, water may leak into the cab onto the passenger floor through the HVAC fresh air intake on the frontwall on 47,00,4900, and 5700 models. |
| sbw0005 | 2018-10-29. Service bulletin. EQUIPMENT:OTHER:LABELS. If a GVWR certification label is lost or damaged, Freightliner will supply a duplicate label. Log on to DTNAConnect.com and under "DTNAConnect Resources", select the "Tool and Services" plus sign. Select "Request for Certification Labl or OWI." Fillout the form, then select "Review." |
| sbw2018 | 2018-06-25. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. sbw2018 Western Star 4800 and 4900 Radiator Mounting |
| 33-4 | 2018-06-25. Service bulletin. POWER TRAIN. 33-4- Bearing Spacer Replacement, ConMet PreSet Steer Hubs |
| 35-11 | 2018-06-25. Service bulletin. POWER TRAIN. 35-11 - Bearing Spacer Replacement, ConMet PreSet Drive Hubs |
| sbw0001 | 2018-06-18. Service bulletin. EQUIPMENT. sbw0001Validity List Western Star |
| 608-13 | 2018-06-18. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE. 608-13 High Pressure Fuel Flange-Two-Filter System |
| sbw5439 | 2018-06-18. Service bulletin. ELECTRICAL SYSTEM. RX Module Fault Codes |
| 707-13 | 2018-06-18. Service bulletin. FUEL SYSTEM, DIESEL; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES; FUEL SYSTEM, GASOLINE. 707-13 Description and Operation of the HC Doser Fuel Supply Pressure Control Valve - Two Filter System |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.