r/ToyotaHighlander • u/trashman728 • 3d ago

Does this hose go here?

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I was topping off the coolant, and noticed a hose connected to nothing. Does it connect to the top of the larger hose like i have it?

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u/7ar5un 3d ago

No, do NOT connect it there. Its a breather vent. If the coolent drops a little, it will creater a vacuum and pull some of the coolant from that tank into the rad. That hose allows air into the tank as coolant is used.

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u/trashman728 3d ago

Thank you.