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2004 Buick Rainier

Question: firewall hoses

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jrojr38, 4.2L 6 Cylinder, Reading, PA, May 18, 2009, 16:39
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im trying to locate the 2 hoses that come out from the firewall so i can atach a flush kit to it. where are they located please?

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  • Answer #1

    Russ May 22, 2009, 09:42
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    The heater hoses are connected to the heater core just under the A/C hoses on the right side of the firewall. There is not much room back there and not much rubber hose to install a flush tee. You may need to find another way to flush your cooling system. Don't forget, used coolant is considered hazardous waste. Please dispose of your old coolant properly.

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