Service bulletins for the 2016 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.
32 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Suspension are shown. Show all
| 14-043 | 2022-10-05. Service bulletin. SUSPENSION. Fix-As-Fail On certain chassis with Low Air Leaf Suspension or Low-Low Air Leaf Suspension, the Height Control Valve (HCV) arm may be rubbing on other components when the bend in the arm is facing outboard. Flipping the bend in the HCV arm inboard prevents the rub. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.