Service bulletins for the 2020 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.
53 on file from NHTSA, as of 2026-10-19.
By type
By component
By topic
Only bulletins with component: Glass, wipers and mirrors are shown. Show all
| 02-160 | 2021-03-10. Service bulletin. VISIBILITY; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; VISIBILITY:WINDSHIELD WIPER/WASHER. Information Only – Windshield washer pumps have a high No Trouble Found rate. Washer pumps may fail to spray due to a clogged filter. |
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| 02-157 | 2020-03-04. Service bulletin. VISIBILITY. Fix-As-Fail: The seal on T680, T880, and W990 windshields may be delaminated. Replace the windshield and encapsulated seal to resolve the issue. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.