December 7: GM Engine Class Action Lawsuit Set To Begin news | 13 days ago
December 7: GM 8-Speed Transmission Lawsuit Runs Into Trouble news | 13 days ago
November 28: Exploding Airbags: Buick Verano and Chevrolet Cruze Recalled recalls | 22 days ago
November 23: GM V8 Engine Lawsuit Claims L87 Engines Are Dangerous news | 27 days ago
November 19: GM Wins Seat Belt Trial in Allie Mead v. General Motors news | 31 days ago
10.0
really awful- Typical Repair Cost:
- $190
- Average Mileage:
- 79,500 miles
- Total Complaints:
- 2 complaints
Most Common Solutions:
- repair thermostat (1 reports)
- replace thermostat (1 reports)
engine problem
Helpful websites
- No one has added a helpful site for this 2014 Sonic problem yet. Be the first!





A D V E R T I S E M E N T S
After the thermostat replacement a month prior, it started leaking again and the seals all went again. I had seals replaced, and also was told alternator was going.
- Benjamin R., Appleton, WI, US