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Car Forum / Ford / Ford Explorer / February 200592 Explorer Temp. gauge
Temp gauge constantly changing. Always in the normal zone but moves from lower end of "normal" to upper end of "normal". Vehicle is not overheating. I replaced thermostat and temp sending unit. I also had to replace the radiator due to a leak The gauge was acting up before I changed these parts. Just driving down a level highway and the gauge will move back and forth. If the gauge is moving up to maybe about halfway or just under, and then suddenly drops down to around one quarter, it sounds like your thermostat is opening and closing and functioning properly. If it stayed the same all of the time then I would think something is wrong. > Temp gauge constantly changing. Always in the normal zone but moves from > lower end of "normal" to upper end of "normal". Vehicle is not > overheating. I replaced thermostat and temp sending unit. I also had to > replace the radiator due to a leak The gauge was acting up before I > changed these parts. Just driving down a level highway and the gauge will > move back and forth. The problem is with the gauge and sending unit. There is a replacement kit available from Ford. I have worked for Ford over the past 20 yrs and also have a 93' Explorer which exhibits the same symptoms. When I find the part number I will post it here. There is probably no overheating concern just an over sensitive gauge/sending unit combination. Mike I had the same problem. Turned out to be a slow leak in the radiator. Not enough to make it overheat, but enough to where it would not hold pressure, and would constantly draw from the overflow bottle. Check the lower radiator hose, that is where my leak was. YMMV. > Temp gauge constantly changing. Always in the normal zone but moves from > lower end of "normal" to upper end of "normal". Vehicle is not > overheating. I replaced thermostat and temp sending unit. I also had to > replace the radiator due to a leak The gauge was acting up before I > changed these parts. Just driving down a level highway and the gauge will > move back and forth. |
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