Service bulletins for the 2020 Peterbilt 337
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.
31 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Steering are shown. Show all
| 19PBD | 2019-09-05. Service bulletin. STEERING:COLUMN; STEERING. Safety Recall: Defectective lower hsaft to u-joint yoke in non-telescoping steering columns due to supplier weld not creating enough penetration and can crack, which could lead to a loss of steering and increase risk of crash or injury. Resolution is to inspect for defective identified manufacturing lot and replace steering column if determined defective. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.