Chevrolet Sonic owners have reported 6 problems related to coolant leaking (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Chevrolet Sonic based on all problems reported for the Sonic.
The coolant had leaked out my car and the check engine came on. I took it back to the dealer whom I purchased it from. It's only being five months and I am having these errors again. This is the second time the coolant has leaked out and I had to refill the coolant.
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My coolant has continuously leaked since I got the car. It may be a hose issue, but my "engine overheating- idle engine" warning light continues to come on, and my coolant reservoir keeps emptying quickly. I have read many similar instances with this particular year of the chevy Sonic. My air also gets warm very often, which is linked to the coolant issue. My car is in motion when this light comes on.
I purchased my car about a year a half ago and it has been giving me non stop engine and leak issues. I have a 2015 chevy Sonic turbo and so far I have taken it to the mechanic 8 times to fix coolant leaks, fix my fuel thermostat as well as replace a head gasket after having it blow.
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My car has leaked out its entire coolant twice now within a six month period. This time it has leaked fluid onto the computer causing further issues than after the first fix. The lack of a temperature gauge to prevent the car from overheating is a huge issue. I constantly make sure there is coolant before driving the vehicle and all in the same day it has emptied without my knowledge causing a check engine light and breakdown instantly. It has happened twice now with my toddler in the vehicle, this should be a recall because fortunately it has happened while on street roads, where I could immediately and safely move into a parking lot, and not the highway but this situation puts my child's health at risk and that I am not okay with.
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Began over heating at short distances. A/c went cool ran hot air tried to see if freon just needed refilling but even using alomst a full can still nothing. Having fuel issues big difference weeks apart fuel issues. Then over heating, next unable to hold coolant, car was returned to dealer for repair. Still unable to keep coolant from leaking, while driving on interstate I 95 out of no where I loose the ability of speed then shuttering running hot again blew head gasket lost power hard to gain control and was almost hit 2 times by car behind and on side. Car had to be pushed to shoulder and picked up with wrecker service. Mechanic had to come to car bc it wouldn't stsrt. He said the gasket is gone. Car will not do anything now. Will get receipts from dealer servicing, wrecker, auto zone mult coolant purchases, mechanic.
12/23/16, I purchased a 2012 Chevrolet Sonic. 4/6/17, I was at a traffic light when smoke come in the vents from the hood of the car. I called onstar & to run a diagnostic. The diagnostic didn't return any information & I contacted the dealer & took the vehicle for service on 4/9/17. I was told the thermostat housing was leaking and caused the smoking. The coolant system was flushed & filled & a gm oil, lube, filter change was done. The vehicle was ready for pick on 4/19/17. A few weeks later the car was smoking again. I called the dealer, I was told it was probably just fluid on the engine. The car continued to smoke periodically. 6/7/17, there was a large pool of oil under the car, I took the car to a local shop. They said that the oil had been overfilled & that it blew a seal. I called the dealer, I was told they did not overfill the oil & made another service appointment. I was told again there was a problem with the coolant system & the oil & that was the reason for the smoking. Repairs completed 7/10/17. 9/27/17, while driving the check engine light came on, so I called onstar for a diagnostic & they gave me an error code p0299. They told me that it was an airflow problem. I called the dealer & asked for the service manager & gave her the error code. She said there was a problem with the turbo & that I needed to bring the vehicle in. I took the car to them 10/3/17. 10/4/17, the service department called me & told me that the turbo on the car was bad. The repairs were completed on 10/12/17. 10/13/17 the car overheated. The vehicle was leaking coolant in two places. I took it to a different dealer & they said the t-joint in the coolant system was leaking. The repairs were completed on 10/18/17. 11/3/17 an email from on-star said there was an engine problem. I contacted on-star for a diagnostic & they said something is wrong with the coolant system.
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all problems of the 2012 Chevrolet Sonic
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| Problem Category | Number of Problems |
|---|---|
| Engine And Engine Cooling problems | |
| Check Engine Light On problems | |
| Water Pump problems | |
| Radiator problems | |
| Car Stall problems | |
| Coolant Leaking problems | |
| Engine Shut Off Without Warning problems | |
| Engine Noise problems | |
| Engine Rattling And Whining Sounds problems | |
| Engine Exhaust System problems |