Service bulletins for the 2018 Chevrolet 4500HD
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.
375 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Parking brake are shown. Show all
| PIP5520A | 2022-02-14. Service bulletin. PARKING BRAKE. This Preliminary information communicates There may be a concern with a rattle or scraping noise from the park brake drum, or a concern of the park brake being locked up. Caused by the vehicle being driven with the park brake engaged |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.