Why does my car overheat when I get on the highway?
The potential causes of a car overheating at highway speeds are a stuck thermostat, a restricted radiator, or a kinked hose. The fix could be as simple as replacing a radiator hose or your car could require a new radiator altogether depending on which problem you have and how severe that problem is.
What do you do when your car overheats on the highway?
What to Do If Your Car Overheats
- Pull over to a safe location and turn off the engine.
- Do not open the hood until the car has completely cooled or the temperature gauge has moved from hot to cool.
- Check the coolant (also called antifreeze) level in the radiator.
- Make sure the radiator cap is cool before opening it.
What causes a car to overheat at highway speeds?
If your car is overheating while driving at highway speeds, you’ve got a different kind of overheating problem. This one is a little more complex because it could be any number of things. The potential causes of a car overheating at highway speeds are a stuck thermostat, a restricted radiator, or a kinked hose.
When does it get hot on the highway?
Thank you for your time around town it’s fine in 110 plus degree weather only on the highway around 70 ish mph for more than 15 miles is when it starts getting hot however when stuck in stop and go traffic it runs perfectly cool so I’m stumped. This says your dealing with a circulation issue.
What to do when your car overheats in the summer?
We will help you assess the problem and find a way to stop your car from overheating. As temperatures rise through the summer months, this can increase the likelihood that your car will overheat. Where and how you are driving when your car overheats can help you diagnose the problem.
Why are the radiators on my truck overheating?
The copper brass radiator can internally corrode and plug themselves up and a condition called solder bloom could cause the tubes to seal shut. Both copper brass and aluminum radiators can also plug up when you add too much stop leak, or while working on the engine you allow gasket material or dirt to enter the cooling system.