Service bulletins for the 2018 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.
148 on file from NHTSA, as of 2026-10-19.
By type
By component
Only bulletins with component: Body and frame are shown. Show all
| TechTalk12369K | 2021-04-06. Service bulletin. STRUCTURE:FRAME AND MEMBERS; ELECTRICAL SYSTEM. Tech Talk discussion on a burned cab. |
|---|---|
| SBW72-008REV | 2020-05-23. Service bulletin. STRUCTURE; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Service Bulletin for Window Regulator Retrofit. The bulletin dated December 4, 2019 has been revised to include 4800 Models. Beginning 04/01/2019 Western Star cab doors were updated to a new style regulator and window. When replacing an older style regulator or window the vehicle must be retrofitted to the new style regulator and window. |
| WP20-002 | 2020-03-17. Service bulletin. STRUCTURE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Warranty Policy Letter explaining the Warranty Department is aligning with the frame rail repair policy, published in DTNA Workshop Manuals, which states that there are very few cases in which welding a heat-treated frame rail is allowed. Therefore, before welding anything on a frame rail, contact the applicable regional service representative for approval. |
| SS1034577 | 2019-12-03. Service bulletin. EQUIPMENT; POWER TRAIN; STRUCTURE; EQUIPMENT ADAPTIVE/MOBILITY. Service Solution to address WST Cab drone / vibration / tapping Under acceleration for vehicles w/Eaton Manual Trans. |
| 19TL-10 NVH | 2019-09-09. Service bulletin. STRUCTURE. Communication to assist the field with service vibration issues on DTNA vehicles |
| 19-009WI | 2019-08-08. Service bulletin. STRUCTURE. Warranty Information Letter - Expanded guidelines for paint-related claims sent out to Freightliner, Western star, Thomas Built Bus, Export and Direct warranty customers |
| 98-1 | 2018-06-11. Service bulletin. STRUCTURE. 98-1 - Paint Finish Standards |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.