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Car is Devouring Coolant

 
Old 06-25-2019, 06:16 PM
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Car is Devouring Coolant

So I had a coolant leak and ended up getting a new reservoir tank for my TL-S. When I removed the old tank and emptied the coolant i found it was missing a rubber stopper and that was probably causing the leak. The leak was visible as I could see coolant sprayed on and around the reservoir tank.

Now with the new tank I don't see any visible coolant leak, but each time I check the tank is back below the minimum fill line. Not sure what's going on here, I probably drive about 4 miles a day to and from work. Any ideas?
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Old 06-25-2019, 07:19 PM
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Do you refill it between drives?
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Old 06-25-2019, 07:20 PM
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It could just the radiator is sucking in coolant very normal.
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Old 06-25-2019, 09:58 PM
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Originally Posted by horseshoez View Post
Do you refill it between drives?
Yeah I've been refilling between drives after the engine cools down but I'm running out of coolant..

Originally Posted by thoiboi View Post
It could just the radiator is sucking in coolant very normal.
That's what I'm hoping. Not too familiar with this stuff. I appreciate the responses though. I'll keep refilling and keep an eye on it.
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Old 06-25-2019, 10:15 PM
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When the engine is cool. Remove the radiator cap. If the coolant is above the aluminum fins inside, you are full and should not be taking in coolant.
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Old 06-25-2019, 10:30 PM
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Just checked and it wasn't. Topped the tank back off to the max line. I'll take a look again after I get to work tomorrow. Thanks dude.
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Old 06-26-2019, 09:18 AM
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if you keep having to top off the radiator itself, then you have a leak somewhere else. Then it's time to remove the lower splash shield and take a look, also by the coolant lines by the throttle body + the heater hoses + heat exchanger piece on top of the transmission.
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Old 06-26-2019, 10:04 AM
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Originally Posted by t-rd View Post
if you keep having to top off the radiator itself, then you have a leak somewhere else. Then it's time to remove the lower splash shield and take a look, also by the coolant lines by the throttle body + the heater hoses + heat exchanger piece on top of the transmission.
I read it as he was checking the rad overflow tank, and not the radiator itself.
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Old 06-26-2019, 10:26 AM
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Originally Posted by thoiboi View Post
I read it as he was checking the rad overflow tank, and not the radiator itself.
That's my read as well.
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Old 06-26-2019, 12:49 PM
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Originally Posted by Saving4aTL View Post
When the engine is cool. Remove the radiator cap. If the coolant is above the aluminum fins inside, you are full and should not be taking in coolant.
Originally Posted by cubicubi View Post
Just checked and it wasn't. Topped the tank back off to the max line. I'll take a look again after I get to work tomorrow. Thanks dude.
cubicubi, if you can't see fluid in the radiator under the metal cap, top the radiator off with fluid first then fill your white reservoir with fluid to preferred level. If it is low a few days later, check your oil to make sure it isn't a milky color. If it isn't then start looking for a leak.
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Old 06-26-2019, 03:39 PM
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With the amount he is pouring in, idle it and look for leaks under the car. If there’s a leak, you Will notice it per your mentioned loss amount.
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Old 06-26-2019, 04:58 PM
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pressure test cooling system, be sure to put heat on max and burp air from system when filling up with coolant
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Old 06-26-2019, 08:55 PM
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Any coolant puddling on the pavement? Check your heater control valve (on the firewall, do a search for a DIY by Majofo). My HCV literally melted and that's where I was losing coolant. Another possibility is your water pump weeping fluid....
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Old 06-28-2019, 07:18 PM
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After the last refill it's stayed at the max line. I guess it was just flowing to the radiator like normal. No leak! 😁
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