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Coolant leak

Tiny
DEBG1963
  • MEMBER
  • 2008 GMC ENVOY
  • 4.6L
  • V6
  • 4WD
  • AUTOMATIC
  • 124,000 MILES
Left hand side of the water pump/engine housing block level with top of frame rail, 1/8 inch steam that sprays when running, leaks when not.

What is your best diagnosis?
Sunday, September 23rd, 2018 AT 11:56 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Hi and thanks for using 2CarPros.com.

That could be a few things. First, if I had to take a guess, it sounds like it could be a heater hose. However, you really need to pressurize the system and then you will be able to locate the leak. Here is a link that discusses how to find and repair different types of coolant leaks:

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

See if that helps and let me know. If you find the leak or not and need additional help, let me know.

Take care,
Joe
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Sunday, September 23rd, 2018 AT 8:39 PM

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