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Old 02-27-2016, 09:21 AM   #10
JFP in PA
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Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,261
Quote:
Originally Posted by Need_for_speed View Post
Correct me if I'm wrong, but don't you also need to switch the ignition on and crank the heat to get the heater core to flush?
No, the heater core is always at full flow, the in car temperature control is via a flap which limits air flow over the heater core.
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