Service bulletins for the 2019 Peterbilt 520
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.
43 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Steering are shown. Show all
| 19PBF | 2020-02-05. Service bulletin. STEERING. Safety Related Campaign - Interim Notification: Peterbilt Motors Company has decided a defect, which relates to motor vehicle safety, may exist in certain Model 520 vehicles with Right Hand Stand Up (RHSU) configuration built between June 15, 2018 and February 14, 2019. Vehicles may have an improperly supported steering gear assist bracket due to the incorrect spring bracket installed. The spring bracket may be missing 3 drilled and tapped holes which will provide additional support for the steering gear assist bracket. An improperly supported steering gear assist bracket may flex or break and cause damage to other components or cause the steering to lock up. This bulletin will be updated as soon as parts become available for the repair. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.