Question about 2002 Pontiac Montana

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Nebraskadad2007@live.com. I bypassed my heater core till I'm able to get a new one but something is still leakin inside the van on both sides in front. Any ideas what to do or look for?

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If you by-pass heater core, there's is no more coolant going into the dash (heater core), could just be left over coolant in a/c-heater housing, when it was leaking.There's nothing else under the dash the used cooling to work, but heater core, and that's by-pass.

Posted on Aug 19, 2010

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http://www.chiltonlibrary.com/ContentViewer/CVFrameset.aspx
Here is a link for you if you want to replace the heater core your self with common tools. As for the heater hose, you should see two small radiator hose going to the fire wall. You can disconnect the hose from the fire wall and connect them together, this will by pass the heater core till you replace the bad core. Good luck and keep me posted, be glad to know your expedition is running 100% again.

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