# Service bulletins for the 2004 Western Star 4800

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.

6 bulletins from NHTSA, as of 2026-10-19.

- [SS1033094](/bulletins/10195575.md), 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...
- [SBW35\-018](/bulletins/10184788.md), 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](/bulletins/10170603.md), 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](/bulletins/10170323.md), 2020-01-21, Service bulletin: SUSPENSION. Service Solution for Western Star vehicles equipped with Hendrickson AIRTEK Axles experiencing a Harsh Ride.
- [sb54313](/bulletins/10163575.md), 2019-08-06, Service bulletin: ELECTRICAL SYSTEM. Service Bulletin provided to customers regarding installation of a new MCM 21\-pin jumper harness.
- [sbw0015](/bulletins/10160770.md), 2019-06-03, Service bulletin: SUSPENSION. Service Bulletin\- sbw0015 Vibration and Harsh Ride Troubleshooting

JSON: [/v1/vehicles/2004_western-star_4800/bulletins](/v1/vehicles/2004_western-star_4800/bulletins)

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