Service bulletins for the 1997 Peterbilt 379
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.
10 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Brakes are shown. Show all
| 604 | 2004-05-22. Service bulletin. SERVICE BRAKES, AIR:DISC. AIR DISC BRAKES FOR MODEL 379-FAMILY VEHICLES. PETERBILT. *TT |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.