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ok.. the thermostat is fairly easy. things that should be considered. first, the location of the thermostat. second, condition of the area around the thermostat. thirdly, the condition of the bolts holding the thermostat body. if you look carfully under the hood, you will notice that there are two different hoses groing form the radiator to the engine. in order for you to see and and be able to change the thermstat you need to put the car on the jack (use of jack stands is recommended, DONT LEAVE THE CAR ON THE JACK ITSELF) from the driver side (is best place). its better not to put it on the side, on the panel, but better to put it no the frame of the car. lie down and follow the bottom hose from the radiator to engine and you will see the thermostat shell. it held by two bolts about 1 and 1/2 long. obsereve the condidion of these bolts. if they appear to be rusted, use WD-40 from the top. if you use you finger you can feel that the bolts on the other end. try as much as possible to get a sufficient amount of WD-40 on those two locations. wait a few minutes then using a rachet and #10 (Japanese cars usually use the metric system, mostly on Subaru the bolts are size 10) and apply constant force. DO NOT APPLY EXCESSIVE FORCE BECAUSE IT MAY BREAK THE BOLTS. when applying force you can feel if the botl is opening. REMEMBER, ALWAYS PERFORM RADIATOR REPAIRS WHEN THE SYSTEM IS COLD. once the bolts are out, drain what ever comes out from the hose (NOTE: you do not have to drain everything, only whatever comes out by it self). and also the antifreeze will come out from the small valve on the thermostat. let that drain completely. when that's done remove the thermostat and replace accordingly. if the bolts seem to have rust, clean them with a sand paper and apply some grease before re installing them. NOW, THIS REQUIRES SOME KNOWLEDGE OF CAR MECHANICS. IF BOLTS SEEM TO BE TOO TIGHT, I SUGGEST TAKE IT TO A PRFESSIONAL, IT CAN PREVENT ANY ACCIDENTS WITHE BOLTS. IF THE BOLTS BREAK, YOU WILL HAVE A SERIOUS TROUBLE AT HAND. IF ANY OF THIS SEEMS DIFFICULT, DO NOT DO IT. THIS IS YOUR CARS COOLING SYSTEM, IT IS VERY CRITICAL TO FUNCTION OF YOUR CAR. JUST BE CAREFULL.

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โˆ™ 2011-10-20 16:56:47
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Q: How do you remove the thermostat in a 91 Subaru Legacy?
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