Hummer Forums - Enthusiast Forum for Hummer Owners

Hummer Forums - Enthusiast Forum for Hummer Owners (https://www.hummerforums.com/forum/)

- Hummer H3 (https://www.hummerforums.com/forum/hummer-h3-17/)

- - coolant reservoir (https://www.hummerforums.com/forum/hummer-h3-17/coolant-reservoir-45446/)

Alex DjFlaco

Dec 10, 2021 01:36 PM

coolant reservoir

I have a 07 hummer h3 and I was working on my engine bay and I notice on my coolant reservoir it has two holes . One is going to the radiator and the one is just hanging nothing connected to it. I'm not sure where it goes and was wondering if anyone can help me.
https://cimg4.ibsrv.net/gimg/www.hum...a55004378c.jpg

hummerz

Dec 10, 2021 01:58 PM

Overflow to the ground, flows to the sewer, goes through water filtration plant, then to water supply.

Doc Olds

Dec 10, 2021 02:12 PM

The one hanging is the overflow hose connects to nothing.

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