Service bulletins for the 2018 Buick Regal
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.
900 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Axle are shown. Show all
| 18218 | 2018-08-20. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT; ENGINE; POWER TRAIN. 18218 - Service Update. All vehicles, equipped with AWD (RPO F46), may have a condition in which the front portion of the propeller shaft slips out of the Power Transfer Unit (PTU) and drags on the roadway. The driver may hear a dragging noise from beneath the vehicle, but there will be no driver information center/cluster warning messages. Dealers are to re-seat the propeller shaft to the PTU and rear differential carrier assembly. |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.