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A couple of times my A/C has quit working. Both times it happened when I started the car in the morning after it sat all night with the A/C turned off. The A/C would not come on, even though the light on the button was on. After driving the car with no A/C, I parked it overnight with the A/C...

My CEL just came on (again) I had Autozone check it, and it shows code PO128, thermostat not working properly. I just replaced the thermostat about 15000 miles ago, when I replaced the water pump. Anyone ever see this code before?

Is it normal to have vacuum at the PCV valve? I do, and according to a couple of YouTube videos, I shouldn't have. I'm looking for the source of a P0171 code. I have determined it is not the purge valve.

My right side low beam burned out. How do you gain access to the bulb to replace it? There doesn't seem to be a manual for the Sonic, other than the $200 factory one. Most of the plastic parts seem to be really fragile and I have already broken a couple. I have a 2013 hatch.

I recently replaced the canister purge valve solenoid on my 2013 Sonic 1.4T. It was making a loud ticking noise and not long before I replaced it the CEL came on and it started running rough, especially at idle in drive. Replacing it stopped the loud ticking sound, and the engine no longer runs...

My 2013 1.4 has an intermittent ticking sound. It is not likely the injectors. It ticks for 15-20 seconds, then stops, then starts again. Never heard this before. It sounds just like sticky hydraulic valve lifters, but it is not constant. Any ideas? I am beginning to seriously regret buying this...

Has anyone had the rear seat out of their hatch? I don't need it, and would like to remove it at least for now to make more room back there. Would appreciate any information on how to go about it.

What is the best way to remove at least one gallon of coolant from my 1.4? I have finally flushed it enough that the distilled water in the reservoir stays clean after nearly a week of short trips, so I hope I've got most of the dexcool out. I'm replacing it with yellow Prestone concentrate. I...

Does anyone know if the 1.4 engine has a block drain plug or plugs for the coolant? I want to get as much coolant out as possible. I plan to flush out the system with distilled water by filling it up with water, driving it several miles, then draining the water. I'm going to do this until the...

Has anyone powder coated their stock wheels? I have a red 2013 Sonic, and I want gloss black wheels for it. But I want to keep the 15" diameter and stock tire size. Not into the ghetto look, I like sidewalls on my tires. I cannot find what I want except in a 17" diameter. Powder coating is...

The oil change thread is nice, but what is needed is more information on other maintenance, like changing the coolant, transmission fluid, serpentine belt, air filter, brake pads and shoes, etc. There appears to be no third party service manual for this car yet, the only one available is the...

I just got my 2013 Sonic 1.4 turbo hatch, neglected and abused. It has 51,000 miles on it. The oil looked like black paint. I plan on changing the oil every 500 miles until it starts coming out fairly clean. I have managed to clean out engines like this before, but my main concern here is the...

Anybody know where I can get stock size gloss black wheels for a 2013 Sonic hatch? The car is red, and I am having the hood painted gloss black. The wheels and hood will probably be the extent of my exterior modifications, other than window tint. Maybe an exhaust later on.

I joined this forum several years ago when I was about to buy a new Sonic, then things didn't work out that way. I am now about to inherit a 2013 Sonic 1.4L turbo automatic. It has about 60,000 miles of mostly city use. It belongs to my sister, but she is now in a wheelchair and can no longer...

I am about to buy a 2014 Sonic LT hatch, and need to know where the OnStar box is located, so I can remove it. I was told it would either be somewhere near the back of the car near the spare tire, or behind the dash.

Anyone know where to find information on the 2014 models? I keep checking the Chevy site, and they still have the 2013 Sonic as the only one available. Most everybody else has the 2014s out already. I'm wondering about changes in the car, price, options, etc. I will not be buying until probably...

Hi, my name is Bob, and I'm new here. I am a 54 year old auto mechanic, divorced with 2 grown kids. I am looking at buying a new 2014 Sonic as a transportation/traveling car. It will not be an enthusiast car. I am a car enthusiast, and have a hot rod (well built small block in a Chevy S10) and a...