Service bulletins for the 2000 Peterbilt 320
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.
12 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Body and frame are shown. Show all
| 02-153 | 2019-12-04. Service bulletin. STRUCTURE. Information only: Some model 320 and 520 vehicles built before 3/11/2019 may experience loss or loosening of doghouse insulation. Reference the procedure in the attachment section to properly remove and replace the insulation. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.