# Service bulletin 18218

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.

- Type: Service bulletin
- NHTSA id: 10143746
- Published by NHTSA: 2018\-08\-20
- Manufacturer's number: 18218
- Manufacturer's date: 2018\-06\-25
- NHTSA component: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT; ENGINE; POWER TRAIN

## NHTSA's summary

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.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10143746-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10143746-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine, Transmission and driveline, Axle

## Vehicles listed

- 2017 to 2019 BUICK REGAL

JSON: [/v1/bulletins/10143746](/v1/bulletins/10143746)

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