Service bulletins for the 2008 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.
22 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Wheels are shown. Show all
| 808-4 | 2008-12-09. Service bulletin. WHEELS; SERVICE BRAKES, AIR. PETERBILT TRUCKS SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. CERTAIN PETERBILT TRUCKS MANUFACTURED WITH UNDER TORQUED BRAKE ASSEMBLY MOUNTING BOLTS ON HENDRICKSON 8,000 LB PUSHER AXLES. CSC LETTER WAS RECEIVED. *PE |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.