That’s good news....watch it for the next few days/weeks. It’s my belief that our degas bottles are mismarked. Almost everyone that I’ve talked to including myself has there coolant level settle at the seam in the bottle.
Mine will be at the seam when cold, and when the truck is up to normal temps my bottle is at the top of the cold fill mark on the bottle, due to expansion.
Mine has been at the exact seam for three years now. I originally got worried when I saw it the first time and added coolant to the top mark, and then about a week later it was back to the seam.
There is a hose in the bottle that ends at the top seam. You can’t see it but it’s there, and when the coolant expands it goes above that open hose and drains out of the hose which runs out directly under the center of the bottle, and that hose dead ends below the radiator, so as you’re driving it is leaking out that hose and onto the road, so there is no real evidence of it in your driveway.
Just a theory of mine. But I wouldn’t worry too much as of right this minute. Just stop adding coolant for a few days and see if the level is at the seam before you start it every morning for the next few days.
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