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 Post subject: Heater core coolant flow
PostPosted: Sat Jun 03, 2017 9:44 pm 
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Joined: Mon Aug 25, 2014 9:20 pm
Posts: 47
Location: Aurora, co.
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?


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 Post subject: Re: Heater core coolant flow
PostPosted: Tue Jun 27, 2017 4:35 pm 
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Joined: Sat Jul 09, 2016 12:30 pm
Posts: 6
just follow this picture it shows the coolant flow, hope it helps
Image


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 Post subject: Re: Heater core coolant flow
PostPosted: Wed Jun 28, 2017 8:09 pm 
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Joined: Mon Aug 25, 2014 9:20 pm
Posts: 47
Location: Aurora, co.
Yes, that helps alot thank you! Do you know if coolant always travels to the heater core or only when the heat is on?


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 Post subject: Re: Heater core coolant flow
PostPosted: Sun Dec 08, 2019 10:11 am 
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Joined: Thu Dec 01, 2011 12:06 am
Posts: 137
Location: Lebanon OR
There is no shutoff valve to stop coolant flow to the heater.

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