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Chevy Aveo thermostat housing busted

78 messages,  Last post on Aug 30, 2009 at 8:35 PM

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What is this discussion about? Chevrolet Aveo, Engine, Hatchback


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#59 of 78
Re: THERMOSTAT PROBLEM? [jhejduk] by poncho167
Dec 19, 2008 (2:25 pm)
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Replying to: jhejduk (Dec 16, 2008 12:36 pm)

I can't say why your car won't start but that wouldn't happen from warped heads.
 
I assume that you have lights and all. Have you played around with the shifter to see if it is not hung up in a position other than park.
#60 of 78
Re: THERMOSTAT PROBLEM? [jhejduk] by stillabeelieve
Dec 20, 2008 (4:46 am)
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Replying to: jhejduk (Dec 16, 2008 12:36 pm)

Mine having a "delayed start" as the dealer called it, was a direct result of the warped heads.
 
It made the sounds like it wanted to start but wouldn't turn over for several minutes sometimes up to 15 minutes.
 
I had it towed to the dealer, signed the estimate for the diagnostic, they found water in the the oil (1 week after they changed the oil). They couldn't tell me if it was a cracked or warped head or if it would be covered by the warranty until it was taken apart but they were 80% sure it would be, so I had to agree to an $800 revised estimate just for labor.
 
It took almost two weeks but it was covered and it was not machine repairable, they had to put in a whole bunch of new parts.
I suggest you take it in for them to diagnose it, you can't get better than warranty coverage.
#61 of 78
Re: THERMOSTAT PROBLEM? [stillabeelieve] by jhejduk
Dec 29, 2008 (7:27 pm)
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Replying to: stillabeelieve (Dec 20, 2008 4:46 am)

I've messed around with the shifter and there's definitely no problem there. Also, the coolant level seems OK.
 
The crank sound has a ryhthm to it that does not quite sound normal, kind of like a major crank, followed by a double quick, and that pattern continues to repeat. Usually the crank sounds like a perfect interval ryhthm if nothing is wrong.
 
I have not tried cranking it for longer than about 15 seconds, because I don't want to kill the battery or damage the engine. Did you say that you'd turn the key and hold it cranking for 15 minutes?
#62 of 78
Re: THERMOSTAT PROBLEM? [jhejduk] by stillabeelieve
Dec 31, 2008 (5:52 pm)
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Replying to: jhejduk (Dec 29, 2008 7:27 pm)

Yes, I would hold it. it almost sounded as if it was getting gas. In the beginning I was pumping the gas too, but this would cause white smoke out of the exhaust and a loud backfire, so i stopped that and would just continually hold the key down.
#63 of 78
by jhejduk
Jan 03, 2009 (11:22 am)
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Problem Resolved. Towed it to a dealer, and it turns out my timing belt slipped off, and everything got bent up. The good news is it is totally covered by my GM Powertrain warrany.
#64 of 78
by tomh4
Jan 03, 2009 (2:03 pm)
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Well mine continues to be a pos, my gear shifter broke!
All I know is I was shifting gears and it wouldnt go in, the gear shifter started floppin around like it wasnt connected.
So I get it to the dealer(of coarse my problem) just off my factory warranty, hoping my extended warranty will cover it or the factory power train warranty(why wouldnt they)
So I pay out of pocket for them to diagnose it ($65), they tell me theirs no broken parts just missing parts and the warranty company wont cover it WTF
I dont understand how a part magically dissapears and im pissed because once again they found some BS excuse to not fix my car under warrranty
I would love to drive this POS right threw the front of the dealership, Ive yet to find somthin my warranty WILL cover
So the busted part is a $4.65 part (Labor $160.) BUT they cant get one till late next week and I have to pay out of pocket for a rent a car because the repairs werent covered by my warranty
And I still got another year of payments on this car I hate this car!!!
My rent a car is a Ford Focus it is 1000 x nicer than the POS chevy
#65 of 78
Chevy Aveo Thermostat housing broken by gmowner3
Jan 04, 2009 (9:01 am)
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I have just experienced what everyone else is talking about here. I will be going to the dealership tomorrow and hope they have the metal replacement part. I have also filed a complaint NHTSA at www.safercar.gov I know some say nothing will happen but if enough complain maybe something will. After reading all the posts I'll be paying out of pocket to get the engine checked to make sure nothing else happened.
 
It only takes a couple minutes to file the complaint so far they only have about four,
let our voices be heard. I'm tired of consumers being screwed by these companies.
#66 of 78
Re: 2005 Aveo Thermostat Housing [macarpio] by LuckyLando
Jan 07, 2009 (2:13 pm)
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Replying to: macarpio (Aug 16, 2008 2:29 pm)

I have about 48,000 thousand miles on my 2005 chevy aveo hatchback. The thermostat housing unit on this vehicle is made out of plastic. Over time it will wear down, and eventually crack. As a result, the engine coolant will leak out and your engine will overheat. If you see steam coming out of your car, this means your thermostat housing unit might be busted. Recommended course of action. Take it immediately to your local GM/Chevrolet dealer for servicing (The part is only sold at the dealerships). If you have a service warranty the part and labor is covered under warranty. If you don't your looking to pay a total of 160 dollars for a metal thermostat housing unit, coolant, and labor. For peace of mind, take it directly to the dealer and pay the 160 bucks.
#67 of 78
Re: [jhejduk] GLITCH by jhejduk
Jan 11, 2009 (5:10 pm)
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Replying to: jhejduk (Jan 03, 2009 11:22 am)

Well, it turns out it was NOT a timing belt issue. The car started just fine at the dealer after they opened it up, found nothing wrong, then closed it and tried to start it. Seems like they unplugged the battery, which reset the computer, and removed a glitch that was sending a P0128 code and preventing it from starting. This glitch was likely the result of some bad weather, which was really wet then really cold, causing condensation to freeze on a rie and cause a very random problem.
 
If your Aveo won't start and you are getting a check engine light, try resetting, either with and ODB II diagnostic or just by removing the negative lead from the battery for 5 seconds. Good luck everyone! Anybody want to buy an '04 Aveo with 42K? lol.
#68 of 78
Hopefully my final update by jhejduk
Feb 09, 2009 (7:26 am)
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Replying to: jhejduk (Jan 11, 2009 5:10 pm)

Oh my goodness, what a ride this has been.
 
As I write this it is 2/9/09. My '04 Aveo's first failure was 12/18/08. On that day, I was driving home, and my check engine light came on. 2 days later the car would not start. I got an OBD II sensor from AutoZone and retrieved the codes P0128 and P0128p (pending). These both indicate an ECT or thermostat failure. Had to have it towed to a GM dealer. They told me the timing belt had slipped before even looking at it. Later, they saw the timing belt was fine. The car started for them right away. I was told it was likely a CPU freeze caused by bad weather here in MA. Towing and service were both covered under GM Powertrain Warranty (I am at 5 years 42K).
 
About 3 weeks later, I was driving and my check oil pressure light came on. I immediately pulled over and checked the oil level, which was fine. I decided to have an oil change to see if that would resolve the issue. Sure enough, after the oil change, the light went off. I drove about another 20 minutes, and stopped at the toll booth. As I was handing off my ticket, I heard 3 or 4 loud revolutions, and then the car died. I was unable to start it again. Had it towed once again to the GM service center.
 
This time, I was told there was a leak in my water pump, and the spark plugs were completely fouled (I saw them, they were pitch black). With diagnostic charges parts and labor I was looking at $1200 (including an elective timing belt procedure). I filed a complaint with Chevy and negotiated lower rates down to about $200 for spark plug replacement, water pump replacement, and timing belt replacement. This took about another week or so. At 2:30 they told me it was running fine and to come pick it up. At 3:30 I went and paid, got in the car, and it would not start. They pushed it back in the garage.
 
Today, I am told the problem is a blown head gasket, and will be 100% covered. The blown gasket was causing coolant to leat into the motor. They are going to do a pressure test and a replacement, and it will take approx. 1-2 weeks before my car is ready. I am really hoping this solves the problem for good (it seems like the most on point diagnosis thus far).
 
2 months 2 tows and $200 later I am still waiting for my Aveo to be fixed and in good driving condition.
 
DO NOT BUY this Daewoo piece of metal. They are not worth the hassle. Buy a Honda or Toyota that is made in America, since this is the only viable option anymore to support American Autos.

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