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how to back flush a heater core on a 1999 Ford Taurus SE station wagon


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bjb2021
New User

Oct 1, 2016, 2:58 PM

Post #1 of 3 (403 views)
how to back flush a heater core on a 1999 Ford Taurus SE station wagon Sign In

How do I back flush the heater core on a 1999 Ford Taurus SE station wagon V6 3.0L OHV?


Tom Greenleaf
Ultimate Carjunky / Moderator
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Oct 1, 2016, 3:26 PM

Post #2 of 3 (399 views)
Re: how to back flush a heater core on a 1999 Ford Taurus SE station wagon Sign In

I can't think of one way that fits all for this. Look hard at routing of hose, metal pipe may also be used and molded hose not really good to re-use at this point.


If not showing and problem at all now and coolant just being serviced as a routine I'd just let one way flushing do and leave it at that,


T



Discretesignals
Ultimate Carjunky / Moderator
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Oct 1, 2016, 4:19 PM

Post #3 of 3 (394 views)
Re: how to back flush a heater core on a 1999 Ford Taurus SE station wagon Sign In

Get a water hose with a nozzle. Disconnect the heater core hoses. If you have a spare piece of heater hose, install that onto one of the heater core pipes. Use your water hose and flush the core backwards and forwards. Make sure animals don't drink the coolant.


Note that most heater cores have extremely small tubes and are in parallel flow configuration. You may not be able to flush all the tubes free if they are clogged. Don't use any chemicals.





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