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Discussion Starter · #1 ·
Hi guys/gals,
Any tips on replacing the heater core inlet and out let hard lines? Working on my buddies 2007 g6 with the 3.5 again this weekend. Mobile mechanic messed up the one seal that goes into the top of the water pump I believe? And it’s leaking anti freeze pretty bad from there. There is two metal lines total with rubber hoses on parts of them going back to the heater core.

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