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I have a coolant leak at the bottom front end of my car

Tiny
CINIMON0922
  • MEMBER
  • 2006 CHEVROLET EQUINOX
  • 3.4L
  • 6 CYL
  • AUTOMATIC
  • 139,000 MILES
I have a leak at the bottom front end of my car. I Keep adding both coolant and water in my reservoir tank and it instantly come out at the front end of my car. I was told it could be a hose to the radiator or it could be my whole radiator. Can I use one of those solutions to seal a leak in a hose to see if that's 5he problem or will that make it worst?
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Wednesday, July 29th, 2015 AT 6:54 PM

9 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
I need to know where it is leaking from. A hose will continue leaking with sealant. It sometimes works if it is actually the radiator. Also, if it leaks right out of the overflow when you fill it, are you sure the jug isn't cracked or damaged or is the radiator going empty too?

This guide will help us

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

Please run down this guide and report back.
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Tuesday, April 20th, 2021 AT 2:11 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
One other thought. If you do use a radiator sealer, I don't recommend anything that is an aluminum powder. I can't recommend product names, but get a product that is in a smaller bottle, brown in color and has rubberized pellets in liquid. That is the only one I know of that won't plug a heater core.
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Tuesday, April 20th, 2021 AT 2:11 PM
Tiny
MISZLOVELY09
  • MEMBER
  • 4 POSTS
It's coming from bottom near the radiator at bottom of the car
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Tuesday, April 20th, 2021 AT 2:11 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Does it leak as you fill the overflow? It could be from a few places where you see it.
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Tuesday, April 20th, 2021 AT 2:11 PM
Tiny
MISZLOVELY09
  • MEMBER
  • 4 POSTS
Once I fill the overflow up about 5 seconds later it' starts leaking from the bottom
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Tuesday, April 20th, 2021 AT 2:11 PM
Tiny
MISZLOVELY09
  • MEMBER
  • 4 POSTS
The radiator still has water in it
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Tuesday, April 20th, 2021 AT 2:11 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
If that happens when the engine is off and cool, it honestly sounds like the overflow is leaking. But that wouldn't cause the radiator to get low and the engine to overheat. The only thing I can say is you need to check along the side of the radiator above where you see the drip under the vehicle. See if it is wet indicating the leak is above the hose.
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Tuesday, April 20th, 2021 AT 2:11 PM
Tiny
MISZLOVELY09
  • MEMBER
  • 4 POSTS
I found the problem is was the radiator tank had a big crack and would only leak under pressure. I replace it with one I got from amazon worked perfect. I used this guide to help me with the steps to change it.

https://www.2carpros.com/articles/how-to-replace-a-car-radiator

thanks you guys, this site is nice.

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Tuesday, April 20th, 2021 AT 2:11 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Good to hear, please use 2CarPros anytime we are here to help.
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Tuesday, April 20th, 2021 AT 2:11 PM

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