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Overheat gauge
2000 Ford Excursion

Overheat gauge

(2000 Ford Excursion)
When I put A/C-Heat selector in "off" or "Max A/C" position, within a few minutes of running, the overheat gauge and light come on, indicating overheating. It is not overheating. Has been doing this since new. Original dealer (in Fla) removed thermostat to solve problem (unbeknownst to me). When I moved to colder climate, 3 yrs later I discovered thermo was missing and replaced...since then, problem is back. Two dealers have not found problem.
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Popular Answer
on February 09, 2011
wow. cant believe that a dealer would remove the thermostat. that alone could cause internal damage to the motor.
it very well may be overheating from the back of the motor as when you remove the thermostat, the circulation does not include the coolant in the rear of the motor and it just cooks the fluid and everything around it.
in todays motors, thermostats are something that must be in the system. it is not an option.

Roy
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General Diagnosis
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on February 09, 2011
wow. cant believe that a dealer would remove the thermostat. that alone could cause internal damage to the motor.
it very well may be overheating from the back of the motor as when you remove the thermostat, the circulation does not include the coolant in the rear of the motor and it just cooks the fluid and everything around it.
in todays motors, thermostats are something that must be in the system. it is not an option.

Roy
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