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IS - 3rd Gen (2014-present) Discussion about the 2014+ model IS models

What is that coolant pipe?

   
Old Dec 9, 2017 | 12:50 PM
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babiibryan
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Default What is that coolant pipe?
I just notice there is a pipe from the coolant connecting to nowhere. I never seen that before. Is that normal or it was connecting to something and now they are just falling apart???
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Old Dec 9, 2017 | 01:02 PM
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That's normal, it doesn't connect to anything. It's supposed to go through that ring connected to the tank (right below the pipe in the pictures).
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Old Dec 9, 2017 | 01:03 PM
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It's normal. It's an overflow tank. If the overflow tank gets full, it'll dump the excessive coolant through the hose.
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Old Dec 9, 2017 | 01:22 PM
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Originally Posted by Matroushi
That's normal, it doesn't connect to anything. It's supposed to go through that ring connected to the tank (right below the pipe in the pictures).
Originally Posted by MX73
It's normal. It's an overflow tank. If the overflow tank gets full, it'll dump the excessive coolant through the hose.
Oh. I see. Thanks guys. Is it okie if the overflow coolant gets into the radiator?
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Old Dec 9, 2017 | 01:28 PM
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Yes, it’s ok. It serves as a dual purpose. Overflow if the cooling system too full or supplies the cooling system if it is low.
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