January 2: GM Says Brake Master Cylinder Failure Lawsuit Fails news | 13 days ago
December 28: GM Lifter Failure Lawsuit Includes Multiple Models news | 18 days ago
December 22: GM Air Conditioning Class Action Lawsuit: 8 Years in Court news | 24 days ago
December 7: GM Engine Class Action Lawsuit Set To Begin news | 39 days ago
December 7: GM 8-Speed Transmission Lawsuit Runs Into Trouble news | 39 days ago
GMC TSB #17389 (Bulletin
2018 GMC Acadia
TSB Document:
Affected Component: POWER TRAIN
- Summary
- 17389 - Service Update. Some vehicles were shipped with a power transfer unit (PTU) that failed leak testing. Dealers are to replace the PTU.
Click a tab for more information.




