Question

My car is overheating after I changed the thermostat. Can you help me understand why this is happening?

Answer 1

If the new thermostat is good you probably have an air locked cooling system. Make sure you get all the air out of the system

Answer 2

Bad 'stat, or perhaps installed upside down- it happens!

Answer 3

it might be a faulty thermostat

Answer 4

If you did it yourself, you could have put it in backwards. But if your car was overheating which is why you changed it in the first place, then the thermostat wasn't the problem. Sometimes something as simple as a radiator flush will fix overheating problems. If you have a 97, you probably need a flush very badly if it never has been done. . You should flush your radiator every 5 years. . Other things to check:. Does your fan kick on?. Is your coolant level correct?. Is there a white milky residue in your radiator (fungus)?. Does your radiator cap close properly (the spring in the cap is responsible for regulating the correct pressure). Is your coolant sensor working properly?

Answer 5

This is really a case for the Psychic mechanic... not enough information to know for sure. first guess is trapped air in the system, second is improperly installed thermostat (it is directional), third is something is trapped in the system (plastic cap?).. ¿If it was over heating before you replaced the thermostat.? would be headgasket, waterpump,or catalytic converter, or clogged radiator.. . the Psychic mechanic is going to go out on a limb here and say it is a ford v-6, the head gasket is blown due in part to a clogged catalytic converter.

Answer 6

flush out the cooling system.

Answer 7

Check the belt for the water pump and pulley. I had a Contour that started overheating one day as if the belt broke, turned out that the impeller blades inside the water pump corroded away to nothing.

Answer 8

WHY WAS IT CHANGED IN THE FORST PLACE? IF IT WAS TO CURE OVERHEATING IT WAS PROBABLY NOT BAD IN THE FIRST PLACE .CHECK THE ENGINE FAN AND RADIATOR FOR BLOCKAGE

Answer 9

take it to a good shop,could be a number of things,

Answer 10

Because there's something else wrong with it.. . Or, you put the thermostat in upside down