how hard is it to change a thermostat? - Ranger-Forums - The Ultimate Ford Ranger Resource

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Old 12-13-2007
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FMD FMD is offline
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how hard is it to change a thermostat?

My thermostat is pretty much fubard. and my gas mileage has gone from 16 to 9. and it never 'warms to norm temp' so. Since, im 3 months passed inspection, and i been waiting for a month for Art, who I have distanced myself from considerably, I need to know, how difficult it is to swap out. I know I can go to D's and do it with D, but, i dunno... Im in the mood where I dont really wanna be around anyone... call it depression.... so how hard is it?
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Old 12-13-2007
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I have never done one but I dont think it is to bad its somewhere around the water pump right... I am prob not the guy to say here but that is a pretty common thing to change I do believe
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Old 12-13-2007
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Pull either one of two radiator hoses, remove 2 -3 bolts, make sure you have the right T-stat, replace it then reassemble.
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Old 12-13-2007
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I did mine a couple weeks ago...piece of cake. Took longer to drain the antifreeze than to change it. It doesn't even take a gasket just an oring. Mines a 4.0.
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Old 12-13-2007
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Its a breeze on a 3.0 also. The 2.3's are a little bit of a pain though.
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Old 12-13-2007
Join Date: Mar 2007
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Just drain the coolant about 1/2 way down the radiator.
Follow the top rad hose to the engine.
Remove the hose from connection on the engine.
Remove 2 bolts holding fitting hose was on.
Remove fitting.
There's the thermostat.
Scrape off old gasket from both fitting surfaces.
Install new thermostat.
place gasket on engine side.
Reinstall hose connector and hose.
Start truck and watch it over heat because you forgot to :
Tighten hose clamp
tighten 2 bolts
add antifreeze
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Old 12-13-2007
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Its a joke. Easily done. If you want, I could probably stop by with Bri and do it in your shop. We did mine when I overheated on the way to Centralia in RayJays garage in like.. 5 minutes?
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