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I have not paid my first month yet and my Cruze has been in the shop since Tuesday :mad:. I called the Service department today and they told me that the part is on back order and it will be a while until it comes in. I have 600 miles on my car, haven't even revved the engine up in it yet and the thermostat is broken... It concerns me that i already have this issue, and it concerns me more that a thermostat will take a while to come in...
 

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Considering the thermostat is driven by the ECU, it could be a lot worse (or they misdiagnosed the car)...

There are almost no parts available for the car, everything is on back order due to all new parts going into new cars.. sorry about the issue. May we ask what symptoms occured previously to you taking it to the dealer?
 

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I hope it isn't worse... what first alarmed me is the temp gauge wouldn't move, it stayed cold after driving it to work, then my Air Condition shut off and a message displayed "AC off Due to High Engine Temp".
 

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that does looke like the thermostat, i just hope it doesnt have anything to do with the ecu, i'm not sure how much it actually controls, other then i know it keeps the engine temp at 220degrees all the time
 

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Ya, the service guy told me I could have driven the car, but I would not have heat, I told them I want them to keep it until it's fixed, so they agreed, I just hope it isn't too long, I want my car...
 

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love that color man, so jealous

i hope they gave you a loaner at least? i cant believe they'd let you drive it with a broken thermostat, i'm pretty sure that could cause engine failure if the fans are not turning on and it overheats..
 

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That check engine light is not good. But it seems you have it figured out. If it is the ECU, the thing about electrical parts is that they typically will go very quickly if they go. So now it will be fixed and you will be good to go.
 

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suck this had to happen when you just got it, i wonder what would cause the thermostat to fail so quickly on such a new car
 

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Most faulty parts will fail with in the first few KM. It happens be thankful the DIC caught it so fast and actually did something to protect the engine. Older cars would have just burned the engine out.

I always run my cars in easy for the first bit until after the dealer recommended break in.

Then I push the engine hard for a few weeks just to see if there are any week parts.

After that I go back to driving my normal.

I also had a heating issue in a 1994 Z24 during break in. The radiator turned out to be bad. It had a restriction somewhere inside. That car also had an issue with the DRL but all was fixed and it never had a problem again.
 

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...typically, ALL electronic components--including those in our cars--follow what's called a "Bathtub Life Curve".

...at first, there's a steep drop-off in reliability (or component "life") due to INFANT mortality...things that "die" suddenly because they were damaged somehow during manufacture or installation.

...then, there's a long flat period (ie: the bottom of the bathtub) when very few random failures occur...that's the NORMAL life portion, where components continuously operate 'as designed' for as long as they stay 'within' their "operational design parameters," which include temperature, voltage/current/power and mechanical criteria.

...finally, after the NORMAL life, there's a slowly increasing period of consistent failures...called the OLD_AGE mortality...when components gradually begin to first degrade and then eventually fail due to the accummulation of "stress & strain" operations during their lifetime...all those little 101% operations that were beyond design limits, but not bad enough to cause immediate failure...ie: accummulated "wear & tear."

..."Break-in" testing at the factory usually catches the INFANT mortality failures, but not always...some small percentage always seems to slip through for the customer to "find."
 

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...as the Hardware Guys used to lament: "...darn Software Guys!"
 

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I know this is a fist year model. But all these issues so early on are making me nervous.
This is not unusual for the new GM. They are finding problems and trying to get them all taken care of before they are sold. But of course some are already sold. Dealers are given list of all vehicles in their inventory and must fix them before selling them.

Dealers do more Service Updates than ever before and not just on the Cruze. Malibus, Impalas, HHRs and the Equinox have all had lots of Service Updates performed.

Don't be nervous, just be glad they are being so proactive.
 

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ugh, too late :mad:. I got my car back this afternoon, they said they replaced the thermostat..... Hopefully they did whatever else they needed to do. Maybe my car was the reason for the bulletin?
 

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ugh, too late :mad:. I got my car back this afternoon, they said they replaced the thermostat..... Hopefully they did whatever else they needed to do. Maybe my car was the reason for the bulletin?

If they were in contact with GM Technical Assistance, they would have told them to update the ECM instead of replacing the thermostat. And since the Service Update wasn't sent to dealer until this afternoon, there is a good chance it wasn't done. Dealers will not know until tomorrow (12/01/10) which vehicles are involved in the update.
 
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