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post #1 of 20 (permalink) Old 02-20-2010, 09:38 AM Thread Starter
 
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Overheating SS

Hey all,
I don't have a Cobalt SS myself, but a friend of mine does. His is a 2006 coupe-supercharged. the previous owner has done some modifications to it. One of those being an aftermarket intercooler. Now I'm not too familiar with intercooler operations because I have only worked with N/A cars, but can getting a bad one or hooking one up wrong cause you vehicle to over heat? The Balts fans are coming on to help cool the car down, but the temp gauge is still showing temps getting close to 240. The thermostat has been tested to see if it was sticking because the problem doesn't seem to happen all the time. Even still though... the temp outside has only been reaching in the lower 50s at best around here. what is this guy going to do when summer comes around?
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post #2 of 20 (permalink) Old 02-21-2010, 11:17 AM Thread Starter
 
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So I'm going with either no one has any idea or no one wants to try because I don't own a cobalt?
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post #3 of 20 (permalink) Old 02-21-2010, 08:29 PM
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i might be wrong but a SC doesnt have a intercooler, it has a Heat exchanger right? As far as overheating the only think i would guess is low antifreeze, its clogged, the thermostat is sticking and getting ready to take a dump.It would kinda be hard to mix up the H/E and put it in wrong. If i were you i would change out the thermostat and see if that would help, like you said it doenst happen all the time so maybe its just sticking and then letting go.
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post #4 of 20 (permalink) Old 02-23-2010, 03:03 PM Thread Starter
 
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i might be wrong but a SC doesnt have a intercooler, it has a Heat exchanger right? As far as overheating the only think i would guess is low antifreeze, its clogged, the thermostat is sticking and getting ready to take a dump.It would kinda be hard to mix up the H/E and put it in wrong. If i were you i would change out the thermostat and see if that would help, like you said it doenst happen all the time so maybe its just sticking and then letting go.
Thats the course of action we have decided to take on the subject. He got an appointment for this morning to get the thermostat replaced. If the problem persists then he's going to look at getting the lines pressurized and flushed to see if there's a problem there. It sounded to me like thermostat sticking just because it doesn't do it all the time.

As for HE or intercooler... I'm not what they come with stock. This one is aftermarket for sure as it is almost 3/4 the size of the radiator.
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post #5 of 20 (permalink) Old 02-23-2010, 03:31 PM
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I dont know to much about the S/C, but iam pretty sure they do have a H/E. Well if he has anymore problems i would like you said get the lines tested and then go from there.
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post #6 of 20 (permalink) Old 02-24-2010, 08:55 PM Thread Starter
 
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Thanks for the input man! We'll see how it goes...
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post #7 of 20 (permalink) Old 02-25-2010, 06:10 AM
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NP let me know how it worked out for you.
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post #8 of 20 (permalink) Old 02-25-2010, 07:41 PM
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Dammit man.....You got to it before I did. LOL!

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post #9 of 20 (permalink) Old 02-26-2010, 05:43 AM
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sorry? should check it alittle more. lol

So have you made it passed the beamer yet?
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post #10 of 20 (permalink) Old 02-27-2010, 07:24 AM
 
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Also see if the intercooler(H/E) pump is working... You can do this by having the car started and open the fluid cap for the s/c fluid and see if their is movement to the fluid..
If its moving then its workin, if its not then no
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