Question about 2005 Ford Freestar

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How to replace engine coolant temp sender on 2005 Ford Freestar?

The temp gauge on my 2005 Ford Freestar fluctuates wildly at highway speeds. But when I look under the hood the engine does not seem to be overheating. I've already changed the thermostat and the same problem exists. So I will try to replace the temp sender, but I'm not sure how to access it. Has anyone done this before? If so please write down a brief step by step. (Did you have to remove the upper manifold or is there an easier way to access it? If you did have to remove, did you also have to get new ring seals or were you able to reuse)

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  • Anonymous Mar 13, 2014

    Ford Freestar engine temp gauge reading low

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Switch ig. on, ground the sender unit wire for about 3 seconds see if the temp. gauge moves, if so change sender unit, if not then it is a faulty gauge reader. also check instrument voltage stabilizer.

Posted on Jan 19, 2009

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