check the integrity of the radiator, when i had to replace mine on my 95 zetec the bottom of the radiator turned into a balloon and that is what made it look like it was low on coolant
- 95 Mystique LS - Zetec/5spd
- 99 Contour SeVT Sport - Duratec/5spd
Official NE-CEG Contour/Mustang Family