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Old 01-21-2013, 11:48 PM   #1
freeze2104
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Default Puddle of coolant under car

I have an 04 sti. The motor was replaced about 6-7k ago with all factory parts from Subaru. The last few days its been really cold here in mn and just going over some things I noticed the coolant in the plastic bottle near the batter was almost gone.

I filled it up to the full mark and the next day it was gone again. My car has never overheated and the needle actually stays on the lower side of the normal temps. I let my car warm up for 15 minutes and the last few times I have done that, there has been a small puddle under the front bumper.

Anything I should check right away for common leak points or issues? I don't get any smoke and can't smell coolant. It only happened after I filled the bottle up twice. Did I put too much in and it's overflowing when warm? Any help is greatly appreciated. Thanks
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Old 01-21-2013, 11:54 PM   #2
LUMBERZACK
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You might have just had air bubbles in your system, but definitely keep an eye out for puddles and if the tank level begins to drop again.
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Old 01-21-2013, 11:56 PM   #3
novacivic
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Sound like your radiator is leaking. The are notorious for leaking at the plastic end tanks when the get older
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Old 01-21-2013, 11:56 PM   #4
freeze2104
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Tank is low again, but not to the point where it was before. It's weird because it seems like it only does it when the car is warming up. After driving a few miles and parking it, there are no puddles.
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Old 01-22-2013, 11:39 AM   #5
rdieder
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when you are saying "tank" are you filling the overflow tank? or are you filling the small tank by your turbo?
If you are filling your overflow tank, when cold, it will overflow and dump when the motor gets up to temperature.

The tank by your turbo will show slightly below the filler neck first thing in the morning.
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Old 01-22-2013, 11:47 AM   #6
freeze2104
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i filled up the one by the battery. There was almost nothing in it when I checked it the first time. I filled it up to the full mark and the next day it was gone again. I filled it up to the full mark again and the puddles started happening. I havent filled it up in a couple days and today when i let the car run for 20 mins this morning there wasnt any puddles or leaking that i could see. I only checked quickly because it was dark and -10 haha.
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Old 01-22-2013, 12:11 PM   #7
rdieder
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thats your overflow tank you are filling, when your car cools down, it will suck up coolant it has displaced back from the overflow into the motor and rad.
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Old 01-22-2013, 12:14 PM   #8
freeze2104
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would there be too much then and its overflowing and causing the puddle under the front bumper?
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Old 01-22-2013, 07:00 PM   #9
J-hop
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Yes. When someone takes the time to respond be sure to read their post

Read post 5.

Always verify the coolant level hot. Only then will it give you a consistent reading. I know the vw coolant contracts a ton in the cold so you always get "I'm losing coolant" threads when the temp dips.
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