E46Fanatics - View Single Post - Heater core coolant leaking externally?
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Old 02-13-2020, 06:36 PM   #12
swordsman11868
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Join Date: Aug 2006
Location: Las Vegas
Posts: 2,069
My Ride: 2003 325i
Transmission: Autotragic
Quote:
Originally Posted by ibrahin99 View Post
Also i forgot to mention, the leak is mostly when the car is off and cold, for example i cant see anything until the next morning after letting the car sit overnight, and at this point it will still drip, but it seems to slow down or go away when the car is running


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I had that happen as well. I watched it drip from the connection between the hose and the radiator (iirc). Engine was cold.

I replaced the o-rings and that has fixed it.
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