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Fiesta Heaters Always Blowing Hot!


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#1 JamesFRD

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  • Ford Model: Fiesta Mk5 1.25 Zetec
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Posted 21 January 2013 - 10:16 PM

ok well i expect a lot of you know exactly what im talking about, as ive been told its a common problem! basically even when the heaters are on cold it still blows out hot, and it can get really un-bearable. ive heard that its something to do with the heater valve? if it is, is it something i can do myself? unless any of you might know another problem, im open to any diagnosis.

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#2 Dal.

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Posted 22 January 2013 - 08:16 AM

It's probably your Heater Control Valve (or HCV for short)

Go to Ford to get one as the ebay / pattern parts are of dubious quality. Also getting it from Ford, should it fail within 12 months, (not uncommon) they should replace it free of charge (well my one does :P )

Ford's latest HCV is Finis Code 1714716 (7N21 18495 AC)

#3 JamesFRD

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Posted 22 January 2013 - 10:04 AM

Cheers mate! I'll get down to my nearest ford garage :P

#4 V1M4L

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Posted 24 January 2013 - 08:02 AM

Is it easy to change? I've got same problem :( any idea how much it is?

#5 Dal.

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Posted 24 January 2013 - 11:40 AM

Probably about £40 (depeding on our dealer) and I can do one in about 10 mins on a Puma (same as the fiesta) 4 pipes to take off / reconnect and an electrical connector.

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