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Heater core coolant flow
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=3&t=86663
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Author:  dstnm523 [ Sat Jun 03, 2017 9:44 pm ]
Post subject:  Heater core coolant flow

Does anyone know if the coolant flow to the heater core is shut off when the heat isn't on? And also which lines flow in or out from the core. At the passenger side firewall inside the engine bay where the hoses go into the heater core there is a larger and smaller hose. Im just assuming tje larger is what feeds hot coolant into the heater core?

Author:  kj2k24x4 [ Tue Jun 27, 2017 4:35 pm ]
Post subject:  Re: Heater core coolant flow

just follow this picture it shows the coolant flow, hope it helps
Image

Author:  dstnm523 [ Wed Jun 28, 2017 8:09 pm ]
Post subject:  Re: Heater core coolant flow

Yes, that helps alot thank you! Do you know if coolant always travels to the heater core or only when the heat is on?

Author:  NicholasWest [ Tue Dec 03, 2019 5:27 am ]
Post subject:  Re: Heater core coolant flow

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Author:  jeeptorino68 [ Sun Dec 08, 2019 10:11 am ]
Post subject:  Re: Heater core coolant flow

There is no shutoff valve to stop coolant flow to the heater.

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