Water leake

Go and check the motherfucker and seed if it is before you make statements and talk to a mechanic

Intake manifold is cracked, a common problem on 4.6 liter engines. ford re-engineered the manifold to be thicker under the thermostat on later models

I used Marine Tex to seal a small crack on the intake manifold. It lasted a year. 2001 Ford Crown Victoria LX.