Johnbb Posted November 20, 2017 Share Posted November 20, 2017 Trying to fault my sons 2008 plate Mk6 1.25 Fiesta from 200 miles away. The heater when switched on blows hot air only irrelevant to what blower or heat setting you are on. Switching on the A/C makes no difference whatsoever. Seems to me that no outside/cold air is being allowed into the system. Any ideas please? Quote Link to comment Share on other sites More sharing options...
TDR|XTC Posted November 20, 2017 Share Posted November 20, 2017 Is it a digital or manual AC control unit!? Quote Link to comment Share on other sites More sharing options...
Johnbb Posted November 21, 2017 Author Share Posted November 21, 2017 It is a manual AC control unit. Thanks. Quote Link to comment Share on other sites More sharing options...
TomsFocus Posted November 21, 2017 Share Posted November 21, 2017 The temp adjustment cable has either fallen off the knob/heater flap or broken. Will need to remove the dash fascia to have a look. Quote Link to comment Share on other sites More sharing options...
Fiesta1.25 Posted November 21, 2017 Share Posted November 21, 2017 My other half’s 2007 Ford ka had exact same problem, turned out to be the heater control valve, it’s located between the scuttle panel and engine bay, bit of a pain to get to but once replaced it fixed the issue, not sure if the fiesta mk6.5 has same type of valve but definitely worth checking Quote Link to comment Share on other sites More sharing options...
TDR|XTC Posted November 21, 2017 Share Posted November 21, 2017 On each side of the dashboard you have two cables, one controls the heater knob, one controls the position of the airflow. You have to get where the driver, passager feet are to see under the dashboard. Those cables can pop off easily.. see if they need reattached. Also remove the AC control unit and see that those cables have the top attached to the knob mechanism. I hope it's an easy fix. Good luck! Quote Link to comment Share on other sites More sharing options...
Johnbb Posted November 22, 2017 Author Share Posted November 22, 2017 Many thanks for the replies. Looks like a job on my next visit. Quote Link to comment Share on other sites More sharing options...
Linwolf Posted June 11, 2021 Share Posted June 11, 2021 Hi mines blowing hot air even with ac but mine is digital display can you please help? Quote Link to comment Share on other sites More sharing options...
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