overheating

D-Bo · 08-01-2005, 09:52 PM

alrighty so its been crazy hot here lately, upwards of 40 degrees C or upwards or 90 F.. and i was parked at a coffee shop this afternoon and suddenly my coolant came barreling out of the overflow container.. so i thought maybe its my thermostat.. so i got a little bit of ice and water, threw it in after turning the car off and then once it was at normal operating temp, i started it again, cranked the heat and drove the piss out of it for 2 minutes.. now its ok and the temp needle is stable. my question is this: should i replace the coolant? should i replace the thermostat? i'm not too worried if i have to do either cause they're both things i can do myself.. any opinions?

nissanfanatic · 08-01-2005, 10:45 PM

any air bubbles in the coolatn line? Jack the front of the car up and let it run with the radiator cap off.

leestewart · 08-02-2005, 10:08 PM

Changing the thermostat probally wouldn't hurt

monooxide · 08-03-2005, 11:13 AM

This happened to my friends 240 but its upwards of almost 110 here. We let it cool off for a little bit hopped back in the car. And I drove it home since hes not so great at 5-Spd. Well on the way home it rose to like less then 1 bar away from the 2 white solid ones. What is the Mixture ratio of Antifreeze and water? Is there anyway we can find out if its the Thermostat?

R.W.240 · 08-03-2005, 04:41 PM

Damnit... Like every thread I see now reminds me of something I need to buy...

I need a Billion Thermostat.

nissanfanatic · 08-03-2005, 05:02 PM

Usually coolant shoud be %50 of each. But remember, antifreeze is just that. Anit-Freeze. Prevents freezing. So if you live somewhere where it doesn't get cold very often, use more water and less antifreeze. Water dissipates heat much better.

Waltz · 08-21-2005, 03:56 PM

Hummm , *nissanfanatic* thats partly true , the coolant
has chemicals activated by water , and also disolved by water , if you dont live in a *hell freezes over* area , 50/50 coolant/water is the best option because water boil's at a much lower temperature the coolant . And to aswer some question , a thermostat thats stuck's closed will cause overheating its a cheap part , replace it if possible

Best ofr luck to all

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