Sctieco Posted June 18, 2020 Share Posted June 18, 2020 Hi all I had my air con regassed a couple of days ago on my MK3 focus but it isn't blowing cold I can hear the clutch engage on the compressor and the garage that filled it said it held pressure I can't hear the fan kick in on the radiator could that have something to do with it thanks Quote Link to comment Share on other sites More sharing options...
Nathan Buffery Posted June 18, 2020 Share Posted June 18, 2020 Did it blow cold after it was regassed? If so it could be leaking. The mk3 focus condensers (a radiator in front of your main radiator) are the common cause and this was the problem with mine. Garages, like Kwik fit will do a vacuum test, which they did on my system, but they either did not detect a pretty substantial leak in the condenser, or chose to ignore it. Quote Link to comment Share on other sites More sharing options...
Hooded Posted June 18, 2020 Share Posted June 18, 2020 You need a local car AC specialist to do a proper leak test really. Shouldn’t cost much for them to diagnose the problem and find where the leak is if there is one. Cost of repair of course will depend on the problem or where it’s leaking etc. Quote Link to comment Share on other sites More sharing options...
nicam49 Posted June 18, 2020 Share Posted June 18, 2020 If the clutch is kicking in and most importantly, staying in, then you've got enough pressure. If its kicking in (engaging) and disengaging constantly, then you've not got enough pressure in the system. The rad cooling fan runs at reduced speed when the a/c is on, but the speed controller might be faulty. If it is faulty, it will still run at normal speed when switched by the coolant temp sensor. On my 02 Mondeo, the speed control is a resistor which just rusts away, so is a common fault. The fan NOT running wont stop the a/c from getting cold. Quote Link to comment Share on other sites More sharing options...
StephenFord Posted June 19, 2020 Share Posted June 19, 2020 Any mod think it's worth doing a 'sticky' on A/C as fault queries arise every week on this frail system? 🧐 Nearly all are due to leaks, from the condenser, or associated pipework, or a faulty (often leaking) compressor. Numerous threads on this forum continuously covering the same ground... 2 Quote Link to comment Share on other sites More sharing options...
Nathan Buffery Posted June 19, 2020 Share Posted June 19, 2020 5 hours ago, StephenFord said: Any mod think it's worth doing a 'sticky' on A/C as fault queries arise every week on this frail system I'm guessing "Mod" means moderator but what's a 'sticky?? Quote Link to comment Share on other sites More sharing options...
StephenFord Posted June 19, 2020 Share Posted June 19, 2020 3 minutes ago, Nathan Buffery said: I'm guessing "Mod" means moderator but what's a 'sticky?? Stickies LOL (A permanent reference thread) Quote Link to comment Share on other sites More sharing options...
Nathan Buffery Posted June 19, 2020 Share Posted June 19, 2020 Ha ha. Every day is a school day!! Thanks for that @StephenFord Quote Link to comment Share on other sites More sharing options...
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