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MK1 ka hot air when set to cold

Ross Rankin
Ross Rankin
in Ford KA / StreetKA Club

Featured Replies

Hi! I have a 2008 mk1 ka and I'm having an issue with the heating, it works but too well! When I have it set to cold it blasts hot air into the cabin like you wouldn't believe! I think it might be the thermostat but other sources have said that it's the heater control valve! Anyone know what I should change? Or should I just do both?? 

  • Quote


    Hi, it wouldn't hurt to change both as they are prone to fail, the HCV should take you about 45 mins start to finish and I would change the whole thermostat housing which can be bought complete with stat and new gasket, then flush system through and refill using Red OAT coolant with appropriate water dilution, I did this to my streetka a few months ago as a matter of precaution.

    Just remember to leave the expansion cap off to allow any air to vent and squeeze bottom hose when running engine for first time, probs telling you things you already know, if so sorry....

    Other than that check the heating control dial is working correctly, but most probs it will be the above issue, let us know the outcome ?

    Regards...

  • Quote
    2 hours ago, CrustyTheFordLover said:

    Hi, it wouldn't hurt to change both as they are prone to fail, the HCV should take you about 45 mins start to finish and I would change the whole thermostat housing which can be bought complete with stat and new gasket, then flush system through and refill using Red OAT coolant with appropriate water dilution, I did this to my streetka a few months ago as a matter of precaution.

    Just remember to leave the expansion cap off to allow any air to vent and squeeze bottom hose when running engine for first time, probs telling you things you already know, if so sorry....

    Other than that check the heating control dial is working correctly, but most probs it will be the above issue, let us know the outcome ?

    Regards...

    Same issue with my 2003 Ka.

     

    Was the HCV that were stuck on the hot pipe. 

  • Quote

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