Engine coolant leak under front of car

Tiny
THEEGARCIAGARCIA
  • MEMBER
  • 2007 TOYOTA COROLLA
  • 1.8L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 187,000 MILES
So, I recently flushed my engine coolant after losing some while changing my intake manifold since it came out from the tubes on the throttle body. Needless to say it was not leaking when it was low. I uncapped my coolant and twisted off the plug to release the old coolant. I flushed it out with water and let it drain and then put the plug back in. I started filling it up with coolant and it was leaking heavily from the front. There should be no leaks on any hoses. When I looked under it was coming from a hole. I could plug it up with my index finger. It felt like there was a bolt or plug there that should have been there but I looked on the floor and nothing. My coolant it leaking with in less than 20 minutes. I can’t figure out what’s going on.
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Friday, October 16th, 2020 AT 7:01 PM

7 Replies

Tiny
DANNY L
  • EXPERT
Hello, I'm Danny.

What we ask you to do then is take a picture or video with your cell phone of the leak and upload it here. That way we will have a better idea of what component on your car is leaking. Get back to us with a video and we'll go from there. This guide can help as well

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

Hope this helps and thanks for using 2CarPros.
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Friday, October 16th, 2020 AT 7:09 PM
Tiny
THEEGARCIAGARCIA
  • MEMBER
It really feels like something is missing there. It dropped 2.5 liters of coolant in under 35 minutes.
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Friday, October 16th, 2020 AT 7:29 PM
Tiny
THEEGARCIAGARCIA
  • MEMBER
  • 2007 TOYOTA COROLLA
  • 1.8L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 18,700 MILES
So I recently flushed my engine coolant after losing some while changing my intake manifold since it came out from the tubes on the throttle body. Needless to say it was not leaking when it was low. I uncapped my coolant and twisted off the plug to release the old coolant. I flushed it out with water and let it drain and then put the plug back in. I started filling it up with coolant and it was leaking heavily from the front. There should be no leaks on any hoses. When I looked under it was coming from a hole. I could plug it up with my index finger. It felt like there was a bolt or plug there that should have been there but I looked on the floor and nothing. My coolant it leaking with in less than 20 minutes. I can t figure out what s going on.
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Saturday, October 17th, 2020 AT 4:17 PM (Merged)
Tiny
KASEKENNY1
  • EXPERT
Is that where you drained the coolant from? It appears to be the drain pipe that should have a plug that goes into it. If you did not use this to drain the coolant, how did you drain the coolant?

The picture attached is of the petcock that would go in there to keep the coolant from draining out. Let us know what questions you have and how you drained the coolant and we can go from there. Thanks
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Saturday, October 17th, 2020 AT 4:17 PM (Merged)
Tiny
THEEGARCIAGARCIA
  • MEMBER
Hi, thanks for getting back to me. Yes, I m sure that s not the hole where the petcock goes. The petcock is inside my vehicle this leak is under my vehicle.
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Saturday, October 17th, 2020 AT 4:17 PM (Merged)
Tiny
THEEGARCIAGARCIA
  • MEMBER
I believe my petcock is stripped. Or if it s the radiator it seems to be leaking out of the drain pipe.
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Saturday, October 17th, 2020 AT 4:17 PM (Merged)
Tiny
DANNY L
  • EXPERT
Hello again.

Hopefully it is just the petcock that is stripped. Have you installed a new one to see if it tightens and stays sealed? If the radiator threads for the petcock are stripped that would be a difficult fix if not impossible resulting in a radiator replacement. Let us know and we'll go from there. Hope this helps and thanks again for using 2CarPros.

Danny-
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Sunday, October 18th, 2020 AT 7:46 PM

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