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Why is my Hyundai Sonata overheating?

Why is my Hyundai Sonata overheating?

While there are a variety of reasons your Hyundai Sonata is overheating, the most common 3 are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat. Coolant leak (water pump, radiator, hose etc.)

What is engine coolant?

What Is Engine Coolant? Engine coolant, also known as antifreeze, is mixed with water to keep the radiator from freezing in extreme cold and overheating in extreme heat. There are many different types of coolant, so it’s important to know what variety is right for your car or truck.

How do you reinstall the thermostat on a Hyundai Sonata?

To reinstall, place the thermostat in the housing ensuring that the jiggle valve is upward. Here’s an illustration. Why does a Hyundai Sonata engine still overheat though the thermostat, hoses and radiator have been replaced?

What should I do if my Hyundai Sonata radiator is hot?

Make sure the engine and the radiator are cool before starting this procedure. An attempt to work on a hot engine or radiator can result in scalding, burns and other injury. Reuse coolant unless it is contaminated or several years old. Properly dispose of coolant, if necessary.

How long does it take to cool a Hyundai thermostat?

Turn the heater to high and allow the engine to idle for about 10 minutes. Now turn it off, allow it to cool for about 3 minutes and recheck the coolant level in the reservoir. If it has dropped, refill it and repeat the process till the coolant level remains full. Usually this will need 2 to 3 cycles.

How do you Bleed a Hyundai thermostat?

Pull the heater hoses from the firewall and flush the heater core in both directions with a garden hose. Refill the system and bleed it. To bleed it raise the car and mount the front end on jack stands or a ramp. Totally fill the reservoir and crank the engine.