Thread: C220 Thermastat
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Old 04-04-2006, 09:54 PM
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trueog trueog is offline
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Join Date: Feb 2005
Location: Vancouver BC Canada
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Hey Ethan, thanks for your response. I drove my car from work right now, so I won't be able to test the hose and thermastat opening till later in the day or tommorow morning. However I checked the Resovoir right now, and it seemed very low again for having been filled up 4 days ago. I had the water pump done last year by an indy mechanic...But that's all he did. I tried looking for the thermastat, and couldn't find it right now. If I order a new one, is it easy to change, something I could do myself? Also I sqeezed the rad hose, and it seemed like little coolant sitting in it, easy to squeeze and you hear the coolant inside moving. Under neath the car I don't see any leaks either.

I took a flashlight to the resvoir and i see green coolant at the bottom...not choclate milk. But around the resvoir walls, it seems like someone just drank choclate milk and the sidewalls had dried....Also I think the cap is factory, do you think its seal is broken? Around my engine right now it smells like burning coolant mixed with something...but no leaks...please help, thanks

Quote:
Originally Posted by Ethan
your t-stat is on front of the engine at the opposite end of the top radiator hose. to the right of that plastic black cover with the MB Star molded on it.

With engine cold -sitting over night- start car and feel the top radiator hose, it should stay cold for a few minutes until the t-stat opens and then the hose gets warm - be careful of radiator fan coming on at any time

Do you see where the coolant is leaking? Have you checked and opened your coolant overflow tank to see what color the coolant is? should be yellowish, if it looks like chocolate milk post back here.

Also things like a new overflow tank pressure cap will make a big difference if it has never been changed.
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