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11-30-2010, 05:31 PM | #1 | |
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flushing the heater core
So I'm going to flush the heater core. There are two hoses. One goes from the firewall to the front of the car and meets with a bigger hose that goes to the bottom of the radiator, another hose goes from the firewall into the back of the engine which then probably goes through the engine and to the thermostat to the top of the radiator. I'm told that placing a garden hose or something to pump water through will push any dirt or blockage. Which hose do I need to take off to hook up to a garden hose or something to pump water through? I'm not sure which way the coolant flows. If this is not the correct way to go about doing this then tell me.
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11-30-2010, 05:53 PM | #2 | |
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Re: flushing the heater core
hello,both hoses should come off.you can cut hoses at the core
then splice in a connector when done.usaully this can be done w/car off w/low pressure put garden hose in/up to core & flush both ways start with the out side of the heater core then in side, & so on the hose going too the thermostat is the in line of course they sell kits for doing this also
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11-30-2010, 06:39 PM | #3 | ||
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Re: flushing the heater core
Quote:
And by the way often should flushing be done. My '08 Kia is still in her "mid-20s". |
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11-30-2010, 08:00 PM | #4 | ||
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Re: flushing the heater core
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12-01-2010, 12:51 PM | #5 | |
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Re: flushing the heater core
what car model year engine miles.....
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12-09-2010, 03:19 PM | #6 | |
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Re: flushing the heater core
Splice into the hose that goes to the bottom of the radiator. Ths will let you flush out all the rust and debris that has settled at the bottom of the radiator.
The small hose from the back of the engine is from the thermostat bypass that, as you correctly presumed, has flowed through the engine and into the heater core to help heat the interior faster. There is a tiny hole in the thermostat face to allow some flow from the pump, but not much until it opens.
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