I doubt it, check your antifreeze level, if its low add some. If its full, pull into driveway, detach the two rubber hoses going into the fire wall, spray water hose in one and stand away from the second one as water will shoot out. See if any nastyness comes out of there. If it does keep flushing till its clear, reinstall, turn on vehicle, add more antifreeeze.
"If you have to be crazy to hunt ducks, I do not wish to be sane"
I am here to relieve all ducks of their future worries.