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post #1 of 9 (permalink) Old 05-09-2007, 03:37 PM Thread Starter
 
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Aircon Low Pressure Port

Can anyone tell me which is the low pressure port on a 2002 A4 1.9tdi so I can top up the system without blowing myself into little bits !!!
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post #2 of 9 (permalink) Old 05-09-2007, 04:16 PM
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Hello Colin,the smaller diameter port of the two is the low pressure.What are you using to fill the system.Regards Jon
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post #3 of 9 (permalink) Old 05-09-2007, 05:17 PM Thread Starter
 
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Hi Jon thanks for that. My air con has gone through a quirky patch. The econ light would not go off and then after a few weeks the system came back on line but the cooling effect is not as strong as it was. I thought a can of rejuvinator from Halfords might do the trick !???
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post #4 of 9 (permalink) Old 05-10-2007, 02:29 PM
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Hello Colin,how much is this thing you call rejuvinator and does it allow you to fill to a set capacity.Your capacity when drain/refill is 500 grams.I never heard of these self fillers and i am keen to find out if there any good.Regards Jon
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post #5 of 9 (permalink) Old 05-10-2007, 03:49 PM Thread Starter
 
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Hi Jon, whole can is only 113g with no pressure guage so a shot in the dark. Kwik Fit do system recharges for £44.00, seems good value. I now have another problem as the econ light has started to go on and off at will. Any ideas? Could be a low pressure switch plus system recharge, can't use the Halfords can if the compressor isn't working. It never rains !!!
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post #6 of 9 (permalink) Old 05-11-2007, 01:45 PM
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Hello Collin,yes pressure switch could be stuck or incorrect pressure.You may need to connect a fault code reader and check aircon address is 08.I dont think you have a fault code reader but you are making me laugh with your antics and i am finding these self filler things very entertaining.Keep going Colin,Very best regards Jon
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post #7 of 9 (permalink) Old 05-11-2007, 04:24 PM Thread Starter
 
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Hi Jon, absolutely right no code reader, my local non Audi garage takes care of all mechanical problems of which there have been none. Unfortunately they are not aircon specialists so I find myself on a lone quest to try to save some money and get the system fixed. I think I'll try a recharge (not with the Halfords can) to see if extra system pressure will work. I can then try to get the source of the leak (if there is one) found and go from there. All the best Colin
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post #8 of 9 (permalink) Old 06-03-2007, 10:44 AM Thread Starter
 
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Hi Jon, just an update to air con pronblem. I used the refill can and things have certainly improved. I therefore think that a proper system recharge is neccessary and will arrange this at a local independant for the near futire. Regards Colin
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post #9 of 9 (permalink) Old 06-03-2007, 12:55 PM
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Hello Colin,sounds good especially as it has been so hot today.Regards Jon
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