Overheating and antifreeze is leaking

Tiny
AMIR MALIK
  • MEMBER
  • 2005 KIA SPORTAGE
  • AUTOMATIC
  • 136,000 MILES
My truck is over heating, and anti freeze is linking out slow on the ground. How can I tell if it is only a link thermostat or head gasket?
Tuesday, February 26th, 2019 AT 2:25 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Hi and thanks for using 2CarPros.

The first thing you need to do is locate the leak. If the coolant is getting low, it will cause it to overheat. Take a look through these links.

https://www.2carpros.com/articles/coolant-leak-symptoms

https://www.2carpros.com/articles/car-is-leaking-coolant

Now, the easiest way to find a leak is by performing a pressure test. You will need a pressure tool to do it. Most parts stores will lend or rent one to you. Here is a link that shows how to perform that test:

https://www.2carpros.com/articles/radiator-pressure-test

The reason I recommend locating the leak first is simply because it could be something as simple as a loose hose. On the other hand, a bad water pump can leak too.

If you are concerned about a possible head gasket issue, here is a link that shows how one is tested. You can do this at home.

https://www.2carpros.com/articles/head-gasket-blown-test

Do these things and let me know the results. Once we determine where the leak is, I can direct you through a repair.

Take care and let me know.

Joe
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Tuesday, February 26th, 2019 AT 6:33 PM

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