I dropped something into my car's coolant reservoir?

I have a 2008 ford mustang. Yesterday there was a coolant level low light on, so I went to my nearest dealership and picked up a gallon of coolant. While pouring the coolant into the reservoir, a piece of foil (the foil seal you break when you buy it) about the size of a quarter fell into my reservoir.

After an hour of trying to fish it out and find it, I gave up. Today I tried again but the piece of foil was not there anymore. What should I do?

Nothing you can do except a complete tear down of the engine to find it. Do not fret. It will likely be ok.

The hose going from the expansion tank to the radiator is pretty narrow, so odds are no problem. But, might have to remove the tank from the car & flush it out, which isn't a bad idea anyway…

That can't get through the radiator core and you can't get you hand in there to grab it. You could try back flushing it. Unless you want to dismantle the radiator. Go on and drive until there's a problem. Bet there never is.

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