Overheating,how would change the thermostat

YOU NEED A HAYNES REPAIR MANUAL.BUT YOU DRAIN OUT SOME COOLANT DOWN ENOUGH WHEN YOU TAKE THERMOSTAT HOUSING OFF TO GET TO THERMOSTAT.ANTIFREEZE WONT GO EVERY WHERE.TO GET STARTED YOU HAVE TO REMOVE RADIATOR SUPPORT COVER.AND THE AIR FILTER HOUSING.LOOSEN THE HOSE CLAMP.THEN DETACH THE HOSE FROM THERMOSTAT HOUSING.THEN REMOVE THERMOSTAT COVER MOUNTING BOLTS THEN REMOVE HOUSING.BE PREPARED FOR SOME COOLANT TO SPILL WHEN YOU REMOVE HOUSING AND BREAK THE SEAL.BE SURE TO REMOVE ALL TRACES OF OLD GASKET MATERIAL AND OR SEALANT FROM HOUSING COVER.THEN INSTALL THE NEW THEERMOSTAT IN THE HOUSING WITHOUT USING SEALANT.MAKE SURE SPRING END IS DIRECTED INTO THE HOUSING.APPLY CLEAN ANTIFREEZE TO THE NEW O - RING ON THERMOSTAT FOR LUBRICATION BEFORE INSTALLATION.PUT EVERYTHING BACK VISA VERSA.TORQUE THERMOSTAT HOUSING BOLTS TO 89 INCH POUNDS.PUT HOSES TIGHTEN HOSE CLAMP.FILL UP THE COOLANT SYSTEM CRANK CAR CHECK FOR LEAKS.