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well if its the 4.0 and this should go for most of the engines as well, you remove your water outlet which is right above the water pump and right below the valve cover, theres only a few nuts hold it on the head, just unbolt those and remove the water outlet and you'll see the thermostat, most of the time you should be able to take out with your hands but if its stuck in there pretty good a pair of needle nose pilers should do the trick and make sure you have all your gaskets when reinstalling everything

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โˆ™ 2008-08-11 07:16:49
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Q: How do you replace the thermostat on a 1990 Jeep Cherokee?
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