I HAVE A 97 LX V6 2.5 WITH AIR. I THINK MY WATERPUMP AND OR THERMOSTAT ARE SHOT. I HAVE NO INTERIOR HEAT AND NO LEAKS. NO OBVIOUS NOISE OR BULGING HOSES EITHER. TEMP GAUGE SHOOTS WAY UP TO READY. LUCKILY IT IS MINUS 10 RIGHT NOW IN ONTARIO SO OVERHEATING IS SLOW...???? WHERE IS THE WATER PUMP AND HOW CAN I TELL IF IT IS SHOT AND NOT THE THERMOSTAT? IS THERE A CHEAP WAY TO FIX THIS?