Heater Cores and Blower Fans
How To

How to unclog a Clogged heater core?

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Wiki User
2006-09-21 01:30:13
2006-09-21 01:30:13

Unhook the two hoses going to the heater core. Use a hose clamp to hook a garden hose onto one of the stems from the core. Turn the water on full blast. Run the water through until clear water comes out.

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Related Questions

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The hoses to the heater core can be disconnected under the hood. connect a water hose to the core, and try to flush the core to unclog it.

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No, a clogged heater core will not make it overheat. A leaking heater core will.

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possible clogged or damaged heater core

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Do you mean that your heater core is leaking coolant ? That would mean that the heater core is clogged. The heater core is like a mini-rad, if it is clogged it leaks.AnswerNo, there is not an overflow tube/outlet on the heater core.See "Related Questions" below for more about Taurus / Sable heating/cooling systems.

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Try flushing the coolant system out

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i had the same problem w/my 97 avenger its a clogged heater core if u take the hose off from the fiewall and use a hose to unclog the heater core u should be all set.also thermostat can be gone id do thermostat then heater core

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could be a number of reasons etc bad thermostat,clogged heater core,leaking heater core,

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Low coolant and a clogged heater core are possibilities.

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You don't clean a heater core. Once it's clogged, you cannot clean it out successfully. You need to replace it instead.

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Clogged Heater core... common problem with 2002 dodge

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You may have a clogged heater core, or a leak in the system somewhere. Take your car to a mechanic who can replace the heater core or diagnose the leak.

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Could have a clogged line feeding the heater core. Disconnect return hoses from the heater core and verify coolant is flowing through the core.

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A possible cause could be that you have a clogged heater core.

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Bad or clogged heater core. Backflush it.

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Could you rephrase the question? is your heater core plugged up or clogged or do you want to know how to turn your heater off?

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Your car could be low on antifreeze or your heater core could be clogged. With my car, it was Heater matrix clogged with radiator sealant. The workshop cleaned it and it's start working fine!

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Low coolant, failed thermostat, failed belt, failed water pump, clogged heater core, etcLow coolant, failed thermostat, failed belt, failed water pump, clogged heater core, etc

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could be head gasket problem. does your heater work? might need heater core , clogged up. do compression test. or bypass heater core and see if that works.

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No, if it is clogged it must be replaced.

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Probably a worn-out or clogged heater core.


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