2007 Chevy cobalt

Asked by Mar 05, 2017 at 06:04 PM about the 2007 Chevrolet Cobalt LS Sedan FWD

Question type: General

So my 2007 Chevy Cobalt keeps over heating...I
have replaced the thermostat and the
radiator...And also had the oil changed...We didn't
see any mixing of fluids so that leads me to believe
it's not a head gasket...Can you please give me any
suggestions on what to check next...

2 Answers


Did you purge the cooling system from the air pockets after refilling the cooling system? And are the fans turning on? Hear is how to purge the cooling system... www.youtube.com/watch?v=zUpXgAJ1gjU


I agree. It's most likely air trapped in the system.

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