Mercury

I need to find out where the thermstat is located under the hood, i have the dual over head cam motor,same as a 1997 ford torasi ,it will cost 125 dollars to fix,i go to college i dont have that kind of money,so a friend will fix it for me for free,just need to buy the thermastat,can not find a bloke ual,and the dealership doesnt want hep me ,or show where the part is located on the motor,is there a website that shows where the thermastat is located,or mabe anybody might have worked on a 1997 mercury sable with the doc motor

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