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Old 01-03-2014, 12:33 PM   #16
windwagen
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Originally Posted by bmwm5lover View Post
I've come to expect it as an e39 quirk....
They're tears of JOY!!! heh heh
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Old 01-03-2014, 08:57 PM   #17
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yea i agree it was not the best design they come up with but we work with what we got
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Old 01-03-2014, 09:46 PM   #18
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well im not sure drilling would do anything because they already have air channels in them
more holes = more ways for water to get in
Solved it for me and many we have done, usually the hole is hidden yet larger than the channel that exists already...allowing for more air flow. We still see some build up but generally much less.
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Old 01-04-2014, 01:12 AM   #19
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Where do you drill? Back? Bottom?
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Old 01-05-2014, 04:54 PM   #20
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i think if we drill somewhere around the corner lights that would help that part specifically since its a problem for everyone.
now to get a bit of topic
in the summer i changed the coolant and the hoses and now i am noticing that the car stays considerable at a lower temperature than last winter.
if i drive on the highway or long trips the temperature gauge will stay at the very first line or a little above i have checked it and it is at a consistent average of 66 degrees.
if i go in heavy traffic for a long time it will go to the half way point ( 87 degrees).
it will never overheat but i am just curious why it keeps so cool
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Old 01-05-2014, 05:13 PM   #21
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Sounds like the thermostat is stuck open..maybe partially.
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Old 01-05-2014, 05:36 PM   #22
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is there something i should be worried about ?
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Old 01-05-2014, 05:49 PM   #23
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Do you like heat and having your engine run at proper temps (which has benefits to say the least), if not you have nothing to worry about.

You will not over heat but as mentioned above, not good either so get it replaced.
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Old 01-05-2014, 06:01 PM   #24
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i will have it checked out for sure
i just thought it was not that big of a deal
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Old 01-07-2014, 09:38 AM   #25
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waaaahhhhh - I see a minor fogging on my lens! I suppose it would be frost today!!

Engine running with an open tstat is not a huge problem. But you may not be getting as much heat as you might want...today Also, since the engine is running cooler, the A/F ratio will be richer, so you're wasting some gas.

Don't these things fail in the open position? Can someone confirm?
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Old 01-07-2014, 09:47 AM   #26
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Don't these things fail in the open position? Can someone confirm?
I remember older mechanical thermostats being designed to fail in the open position. Not sure about the electrical ones.

That being said, they don't always fail in the open position, I've seen some stuck 1/4 open, and some not opening fully, but still operational.
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Old 01-07-2014, 02:28 PM   #27
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Yea aparently is stuck a quarter open Im heading to stance tomorrow to have it fixed and might as well do the water pump go to the metal impaler one
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