December 7: GM Engine Class Action Lawsuit Set To Begin news | 11 days ago
December 7: GM 8-Speed Transmission Lawsuit Runs Into Trouble news | 11 days ago
November 23: GM V8 Engine Lawsuit Claims L87 Engines Are Dangerous news | 25 days ago
November 3: GM Ultium Charger Class Action Lawsuit Filed in Florida news | 45 days ago
October 27: GM L87 Engine Recall May Need to be Repeated investigations | 52 days ago
8.0
pretty bad- Typical Repair Cost:
- $2,500
- Average Mileage:
- 86,000 miles
- Total Complaints:
- 1 complaints
Most Common Solutions:
- replace transmission (1 reports)
transmission problem
Helpful websites
- No one has added a helpful site for this 2007 STS problem yet. Be the first!





A D V E R T I S E M E N T S
Lack of available parts from GM led to the entire transmission having to be replaced and modified.
- Todd A., Moorhead, MN, US