So ever since i've had my car it has never been friendly with staying cool at idle. I noticed the temp creeping ( not over heating )at a light once so i changed the thermostat the next day.. It fixed the problem for a few months and it happened again, i noticed a hole in my radiator so i assumed it was the radiator. After changing it, and bleeding it, the temperature still climbs. Mind you my temperature gauge does not work so i use an aftermarket one supplied by the P.O. I tried the newspaper trick on my fan and the fan did not stop spinning. I tried it at 180 degrees fahrenheit. Also i assume that once my car is hitting 210 it is beginning to over heat. I cannot find any reliable evidence of what the actual operating temperature for an e30 is.
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Originally posted by ADlBOO View PostMight wanna try getting a different temp gauge, the aftermarket one might be giving false readings.
Originally posted by ak- View PostI believe 200 F is right in the middle.
80 C (like your stock t stat) = 176 F, which is when it opens.87 ETA | Hibernating
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While 210 seems to be overheating, certainly not optimal but its really not that terrible.
Water boils at 212. With a proper mixture of anti-freeze you should be boosting you boiling point to about 230.
195-200*F would be considered a optimal operating temperature for the M20.
What is your average operating temperature cruising on the freeway at 60mph?
Do you have the original fan shroud, Also in the front of the radiator in the core support area there should be a deflector on each side to ensure that all air flow will be pushed through the radiator.
If your missing these pieces it could contribute to slightly higher operating temps.
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Originally posted by Pdxseth View PostI think 180 is a good temp I don't run a t stat in mine and the highest it gets is 190 and that at 20 min of idle, I normally run around 150-160 on the freeway
Originally posted by RobertC View PostWhile 210 seems to be overheating, certainly not optimal but its really not that terrible.
Water boils at 212. With a proper mixture of anti-freeze you should be boosting you boiling point to about 230.
195-200*F would be considered a optimal operating temperature for the M20.
What is your average operating temperature cruising on the freeway at 60mph?
Do you have the original fan shroud, Also in the front of the radiator in the core support area there should be a deflector on each side to ensure that all air flow will be pushed through the radiator.
If your missing these pieces it could contribute to slightly higher operating temps.
I have the fan shroud but I'm not sure what pieces you are talking about that are supposed to be deflecting, any pictures?87 ETA | Hibernating
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Originally posted by eskimo810 View PostWhat's the ambient temperature when you've been testing the idle temperature?87 ETA | Hibernating
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So I found out it was yet another faulty thermostat. Today I was coming home from lecture and while I was warming up I noticed that it warmed up quicker then usual and started heating up. I checked the top hose and it was super hot whole the bottom was cold.
Any reasons why my thermostats keep taking shit ?87 ETA | Hibernating
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Well when I bought it the guy said it was oem.Last edited by e30Villain; 04-30-2013, 06:57 PM.87 ETA | Hibernating
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That's the one i just installed today. Took me 2 hours to replace because i snapped a bolt inside the housing. Temperature is still on the high side i think, hopefully my temp gauge is just off.
I just ordered a normal temp gauge from a forum member, i'll post results after i install it.87 ETA | Hibernating
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