Service bulletins for the 2018 Kenworth W990
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.
20 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Electrical system are shown. Show all
| 02-177 | 2026-06-03. Service bulletin. ELECTRICAL SYSTEM. Troubleshooting procedures for 2.1m cab power windows are now available. |
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| E326 | 2026-05-06. Emissions. ENGINE; ELECTRICAL SYSTEM. EPA17-24 MX Fuel Injector Connector - This bulletin has been revised to include all EPA17-24 and CARB24 PACCAR MX engines. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.