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My temp gauage keeps fluctuating when I drive on highway.

(2004 Ford Freestar)
in Whitlash, MT on April 15, 2013
When I drive around town its ok but on highway it goes up and down quite regularly. Also when I reverse I hear a grinding sound coming from rear passenger side wheel. Please help
Displaying 2 answers & 1 comments
Popular Answer
of Greg's Orange Auto on April 16, 2013
ck for coolant leak and coolant level to start with
on April 16, 2013
I have checked both and they areboth fine. When I set the interior temp to medium to low the temp stays low and doesnt fluctuate. What could the issue be
on April 15, 2013
thermostat might be sticking and sound like you need a brake job make sure you check the calipers
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