oil in my coolant

If you can't find a drainplug, you could pull off the lower radiator hose to drain the system. You could try filling it with clean water and drain it again to flush it clean. The oil in the coolant concerns me. You may have an intake manifold leak or possibly a front cover leak. If you want to find a specialist, here's a directory link for you: https://repairpal.com/ford-repair-in-west-palm-beach-florida