Question about 2005 Chevrolet Cobalt

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I replaced the thermostat of my cobalt 2007 and now the fan do not work what can be the problem?

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Check coolant temp sensor then check relays

Posted on May 15, 2010

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Posted on Jan 02, 2017

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SOURCE: all the buzzers in 2007 cobalt quit working

first thing first check all the fusses if thy are good then the buzzer i probably bad

Posted on Jan 05, 2010

  • 47 Answers

SOURCE: 2007 cobalt cooling fan runsonly when ac is on

probly need to replace the coolant temperature sensor

Posted on Mar 29, 2010

scottimage
  • 4 Answers

SOURCE: 2007 cobalt cooling fan not working

check fuses and if not relays --then cooling motor

Posted on Apr 22, 2010

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1 Answer

Check engine light comes on at times and fans kick in to!


If this is the same car with the code 128 check the thermostat. You might want to look at the temp sensor and make sure its full of coolant too.

Jun 28, 2013 | 2007 Chevrolet Cobalt Coupe

1 Answer

2006 chevy cobalt the engine cooling fan is not coming on


Check with warm engine and off by touching on your radiator vents whether is in all places same temperature. If not check whether you have air in the coolant which needs bleeding,or not good coolant circulation,caused either by clogged radiator,not good water pump,or faulty thermostat.By having these things it is the possibility the fan switch not getting the correct temperature to allow the fans to start. the last thing if everything is working,the possible is the fan switch itself.

Sep 02, 2012 | 2006 Chevrolet Cobalt

1 Answer

I have a 2007 Chevy Cobalt and I have noticed that when I turn on the AC in my car, the fan will continue to run until I physically take the key out of the ignition. Has any one else noticed this on the...


i have an 08 cobalt sport. It did the same thing. The dealer told me that it was normal for the fact that the fan has to work double to also cool down the AC, not just the engine. ********. A month later i went to denver and my car was over heating....... Guess what? It was the damn fan. And since the fan wasn't working my AC wasn't working. I called them and they fixed it. Since your engine fan is malfunctioning, it will burn out your fuse. Go to auto zone or advanced auto parts and ask them which fuse controls your engine fan. they will help you out. That's just a temporary fix because you will keep burning fuses one right after the other, but it works for a while. I can't tell you how much it will be to change the fan, but its around 300 dollars. Depending on labor cuz the fan is about 125-150.

Dec 11, 2010 | 2007 Chevrolet Cobalt Coupe

1 Answer

2007 cobalt cooling fan not working


check fuses and if not relays --then cooling motor

Apr 14, 2010 | 2007 Chevrolet Cobalt Coupe

3 Answers

I HAVE A 2007 CHEVY COBALT THE CHECK ENGINE LIGHT CAME ON I CHECKED THE COOLANT TEMP GAUGE THE DIGITAL GAUGE READING WAS ONLY SHOWING THREE BROKEN LINES. I CHECKED COOLANT LEVEL WHICH WAS FINE. ENGINE DID...


I had this problem with a 2007 Chevy Cobalt. I changed the coolant sensor and even though the check engine light went out I still had a reading of "---" on the coolant gauge. The problem is most likely one of three things: a low coolant level, a bad coolant sensor, or the thermostat needs to be replaced. The only other possible thing it could be is a bad BCM (Body Control Module) which in that case you would most likely be having other weird problems.

The Thermostat and the sensor are both very easy to get to and replace. Take off the engine cover by removing the oil cap and they are both to the rear of the engine on the driver's side. They are right next to each other.

Hope this helps!

Apr 14, 2010 | 2007 Chevrolet Cobalt Coupe

1 Answer

2007 cobalt cooling fan runsonly when ac is on


probly need to replace the coolant temperature sensor

Mar 29, 2010 | 2007 Chevrolet Cobalt Coupe

1 Answer

Hi car is getting hot 2007 cobalt it went up to 220 then it comes back down. if i sit at a red light it climbs back up pretty fast. what is the normal temp. it never has gone up that high before.


sounds like the radiator fan is not coming on. possible cause is the cooling fan switch or the cooling fan relay. worse case senario is the cooling fan is bad

Mar 23, 2010 | 2007 Chevrolet Cobalt Coupe

1 Answer

2007 Chevy Cobalt with p0128 and "---" temp reading


The P0218 Code is primarily intended to indicate a faulty thermostat.
Have the thermostat replaced

Other possible causes that could trigger this code would be:
Low engine coolant level
faulty cooling fan
faulty coolant temperature sensor
faulty intake air temperature sensor


Sep 08, 2009 | 2006 Chevrolet Malibu

1 Answer

07 cobalt - 2 dr - temp gauge reading hot gauge shows locked


the a/c wont work if the car runs too hot sounds like thermostat

Apr 09, 2009 | 2007 Chevrolet Cobalt Coupe

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