Buick TSB #18218
2018 Buick Regal
TSB Document:
Affected Component: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT
- 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.
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