SunGodRA Posted April 18, 2011 Share Posted April 18, 2011 My aircon hasnt been working this year so I have just had National Aircon out for a service and re-gas. I was told there is plenty of pressure in the system and no leaks. The belt, although worn is spinning the compressor pulley okay and the aircon light is 'on' on the dash, but only normal air coming through. The woman that did the service hooked up her gauges and turned aircon on - there was no drop in pressure as there should be and she said the compressor wasn't 'pulling down'. She said it could possibly be an electrical fault or maybe the compressor has blown and suggested I get an electrical engineer to investigate. Any ideas? Quote Link to comment Share on other sites More sharing options...
Zugara Posted April 18, 2011 Share Posted April 18, 2011 have you had the Head Unit out? If so you may have disturbed the flat white ribbon cable going into the heater/aicon module under the head unit......just my 2p worth. Quote Link to comment Share on other sites More sharing options...
Neilp Posted April 18, 2011 Share Posted April 18, 2011 I'm not too sure how it's set up in cars compared to buildings. If the compressor is belt driven in the cars then it wouldn't be that as a problem. I'm guessing there's an actuator or relay of some sort which should kick it into action. It may be a fault with this or it may be a fault with the compressor itself. Quote Link to comment Share on other sites More sharing options...
SunGodRA Posted April 18, 2011 Author Share Posted April 18, 2011 have you had the Head Unit out? If so you may have disturbed the flat white ribbon cable going into the heater/aicon module under the head unit......just my 2p worth. I have been playing around with the dash so it could possibly be that - but surely the aircon light wouldnt be on if that was the case?? (I'm guessing here!) Quote Link to comment Share on other sites More sharing options...
Neilp Posted April 18, 2011 Share Posted April 18, 2011 You may have affected the signal cable to the compressor controls Quote Link to comment Share on other sites More sharing options...
Zugara Posted April 18, 2011 Share Posted April 18, 2011 Whip it out and make sure the plug on the ribbon cable is "fully Home", it may be that its in at an angle, hence you have partial control function. Or the module is goosed. Quote Link to comment Share on other sites More sharing options...
SunGodRA Posted April 18, 2011 Author Share Posted April 18, 2011 ribbon cable was connected okay - removed and reconnected, no difference Quote Link to comment Share on other sites More sharing options...
marzman Posted April 18, 2011 Share Posted April 18, 2011 I know what your problem is - its because a woman did the service... Quote Link to comment Share on other sites More sharing options...
SunGodRA Posted April 18, 2011 Author Share Posted April 18, 2011 I know what your problem is - its because a woman did the service... LMAO! Something I forgot to mention which cant be a coincidence.... my heater blows cold (but not aircon cold) when I am stationary, in traffic etc - and when I speed up it gets hot again... Quote Link to comment Share on other sites More sharing options...
Zugara Posted April 18, 2011 Share Posted April 18, 2011 I know what your problem is - its because a woman did the service... LMAO! Something I forgot to mention which cant be a coincidence.... my heater blows cold (but not aircon cold) when I am stationary, in traffic etc - and when I speed up it gets hot again... youve got an air lock in your cooling system then. Quote Link to comment Share on other sites More sharing options...
SunGodRA Posted April 18, 2011 Author Share Posted April 18, 2011 I hope that's all it is - so hopefully a bleed/flush should sort it Quote Link to comment Share on other sites More sharing options...
Cragus Posted April 18, 2011 Share Posted April 18, 2011 Yup airlock in cooling system! Coolant been changed as part of service? OR swapped hoses? Quote Link to comment Share on other sites More sharing options...
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