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I just put in some LED wedge bulbs for my parking lights and noticed as I was putting the plastic covers back on that one of the hoses from the coolant reservoir was not connected to anything. its a short one that come out off the cap of the coolant reservoir. One goes into the engine and the other is just sitting there. Just took in the car for the recalls and TSIB for the knocking noise at startup and i guess they didn't put it back. Looked all over the engine bay to see where it goes but i see no outlet for the hose to go into. Anyone know where it would go?
i've actually noticed the same thing when i bought the car new. there is a small hose thats not connected, almost as if it was a hose to let out excessive coolant....... i also had some coolant drip off there too
how fast are you losing the coolants? its normal for the coolant to go below the max level on the expansion tank, but if you're going from max to min within a day or two, then there is a problem.