Service bulletins for the 2019 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.
130 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Heating and air conditioning are shown. Show all
| WSTCAE170-2019 | 2021-05-18. Service bulletin. EQUIPMENT; EQUIPMENT:APPLIANCE:AIR CONDITIONER; VISIBILITY. New Valeo A/C Compressor |
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| DOC-1034500 | 2019-10-03. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:APPLIANCE:AIR CONDITIONER. Service Solution to fix AC cooling performance due to improper HVAC function. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.