HELP!! ECO S/C + 20F = Overheat??? - Maintenance and Repair Forum

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HELP!! ECO S/C + 20F = Overheat???
Monday, February 05, 2007 8:13 AM
Hey guys,

Anybody have any ideas, thoughts, helps, experience?

I have the 2.2L with the GMPP Supercharger kit installed by dealer.

When it is below freezing outside my car overheats and all I get out of the vents are freezing cold air.

The fan is running and yet it still overheats. If I turn off my car it only takes about 5 minutes to get from 250 down to 200 and then I drive again and I can go about 5 miles before the car is back up to 250 again.

I find that at 65 mph it will sustain a temp of 210. But ovbiously with traffic in the morning I can't really hold that speed for long.

Anything please. I'm bringing it back to the dealer but I want ideas of what I should tell them to look at. This is the second time it is going back for the exact same reason. I guess one more time that is a lemon law right?






Re: HELP!! ECO S/C + 20F = Overheat???
Monday, February 05, 2007 8:21 AM
sounds like a thermostat stuck closed on it actually.



2009 Ford Mustang V6
Re: HELP!! ECO S/C + 20F = Overheat???
Monday, February 05, 2007 8:24 AM
just a wild guess but maybe a blocked/leaking heater core?



Re: HELP!! ECO S/C + 20F = Overheat???
Thursday, February 08, 2007 5:50 AM
It ended up being the radiator.





Re: HELP!! ECO S/C + 20F = Overheat???
Thursday, February 08, 2007 8:18 AM
what was the problem last time you took it in? what did they fix>?

http://www.cardomain.com/ride/2267189
Re: HELP!! ECO S/C + 20F = Overheat???
Thursday, February 08, 2007 8:22 AM
Last time they said it was a fan relay and that the fan was not turning on.





Re: HELP!! ECO S/C + 20F = Overheat???
Thursday, February 08, 2007 8:54 AM
How is your coolant level? It should always be the first thing you check when your engine is overheating. Also, ONLY use dexcool, unless you would like to pay for a coolant flush. Let us know what the problem is. Ohh, and make sure you open your coolant cap when the engine is COLD! I will be lilable for any damages when you open it when its hot.

dan



Re: HELP!! ECO S/C + 20F = Overheat???
Thursday, February 08, 2007 8:56 AM
Coolant level was normal. Actually the sctrange thing was as the ambient temperatures went above 20F the car would drive fine and the coolant temps would sit around 185 - 190. But once it dropped below 20F the car would over heat. isn't that the strangest thing you ever heard?





Re: HELP!! ECO S/C + 20F = Overheat???
Thursday, February 08, 2007 9:08 AM
I dont know much about thermostats, but maybe its getting frozen shut when its under 20F. Also, how is your coolant sensor and how is your raidator? If there is a hole in your radiator, I heard something about using an egg to fill that hole just a temporary fix though.

dan



Re: HELP!! ECO S/C + 20F = Overheat???
Thursday, February 08, 2007 10:17 AM
This is exactly why I like having a warranty. They replaced everything no cost to me. The heat exchanger had some blockage in it and created a restricted flow. Apparently below 20F what ever was in there would not just restrict flow but would freeze over and prevent any fluid from flowing. I now have a brand new heat exhanger, fluid, hoses and fan. I even popped my hood and noticed that it really was all new. I really hope I don't have any more issues, I have already replaced the transmission under warranty also.





Re: HELP!! ECO S/C + 20F = Overheat???
Thursday, February 08, 2007 12:11 PM
What was the total with parts included to have the dealership install the s/c? Have you had it dynoed yet to see the increase?


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Re: HELP!! ECO S/C + 20F = Overheat???
Thursday, February 08, 2007 12:21 PM
Because of specific reason i can not mention total for parts and install. But i will tell you this much you can purchase it from: Pace Performance for $2,459.95
Installation at any GM Performance Dealer can be found by this search: GM Search
Expect an 8 hour install charge based on dealer rate.

Here is my before post: Ran On the Dyno Today = 128 HP
Here is my after post: Going to Dyno on December 1 what's your guess? = 214 HP
Total Increase: 86 HP or 167%





Re: HELP!! ECO S/C + 20F = Overheat???
Thursday, February 08, 2007 9:16 PM
i have the same problem but mines a 2.4 . and i have heat for alittle bit then it blows out cold air and the car starts to over heat. ive changed the thermostat and burped the @!#$ out of the car so im leaning towards the radiator or water pump. which do u think
Re: HELP!! ECO S/C + 20F = Overheat???
Friday, February 09, 2007 10:29 AM
Well I'm not sure if it is exactly what I had but it ended up being a partically blocked radiator that they replaced and now the car runs better than it did before. Not faster just temperature sits more stable. Not that it is a cheap solution but that seamed to be the problem with me.





Re: HELP!! ECO S/C + 20F = Overheat???
Saturday, February 10, 2007 11:56 AM
Our '03 Cobra had a problem similar...it was a stuck thermostat both times lol.
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