As long as you are draining your coolant system, replace both the thermostat and the temperature gauge sender. Total they will cost you ~$20. Both could be causing your problem, like Fave says.



'95 Contour GL, Zetec/ATX Repairs: * wheel bearings * sway bar stop * CV joint * alternator * shift interlock * heater tube * VSS * tensioner * ingition coil * wire harnesses * ball joint * Why do I still love it?