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Location:
Bayside Melbourne.
Registered:
May 2003
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 Airconditioning question.
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Mon, 08 December 2003 06:28
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The aircon in my Cressida, when I bought it, was so good it could freeze my hands if the vent was aimed at them. Now, the aircon is cool but not freezing.
My question is, if it's really slowly leaking gas will the aircon gradually get worse or suddenly stop being cold? 
I don't know how to check whether it is low on refridgerent without paying a speciallist to do it for me. 
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Location:
Rocklea qld
Registered:
February 2003
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Re: Airconditioning question.
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Mon, 08 December 2003 07:19
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If it has a very slow leak in it you will not notice it yourself with out a special ultra violet light. But chances are it just needs a service as it should be done about every 2-3 years.
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Registered:
November 2002
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Re: Airconditioning question.
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Tue, 09 December 2003 01:58
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The refridgerant gas constantly 'escapes' (slow leak) to atmosphere so you need to re-gas the system every few years. Make sure you run your A/C at least once a week in winter to keep the seals from drying out, otherwise you will be up for a little expence in their replacement as the system won't hold gas anymore.
Cheers,
Mitch.
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Location:
Bayside Melbourne.
Registered:
May 2003
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Re: Airconditioning question.
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Tue, 09 December 2003 02:05
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Thanks for that... What I was wondering though is if it's possible for the aircon to be working, say at 60% of what it used to or if it would be a more working/not-working situation. (ie: no in between period)
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Registered:
November 2002
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Re: Airconditioning question.
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Tue, 09 December 2003 02:08
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Very easy for an air con unit to work at 60% normal use over time mate. Its a combination of the amount of gas in the system along with the performance of the compressor and the size of the condensor that dictates its output/cooling powah !
Cheers,
Mitch.
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Location:
Canberra
Registered:
December 2002
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Re: Airconditioning question.
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Tue, 09 December 2003 02:09
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Yes it is have a look in the top of the reciever/dryer (usually there is a little window) while the a/c is on and see if you can see any bubbles going around the system.
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Location:
Bayside Melbourne.
Registered:
May 2003
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Re: Airconditioning question.
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Tue, 09 December 2003 02:10
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Kickarse, I am going to get it checked out then... It's 36 degrees today and it looks like its not a one off.
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Location:
Bayside Melbourne.
Registered:
May 2003
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Re: Airconditioning question.
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Tue, 09 December 2003 02:11
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Oh, and THANKYOU for your help, peoples.
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Registered:
November 2002
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Re: Airconditioning question.
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Tue, 09 December 2003 02:12
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Very generally speaking, the more bubbles you see in the sight glass, the less gas is in your system.
Mitch.
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Location:
Gold Coast
Registered:
January 2003
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Re: Airconditioning question.
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Tue, 09 December 2003 20:17
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The sight glass was only used on the r12 systems. They are not used in r134a systems
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Location:
was adelaide now newcastle
Registered:
February 2003
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Re: Airconditioning question.
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Tue, 09 December 2003 23:07
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in my 86 there is an electronic module mounted near the aircon evaporator (part under dash) the module had an adjustment screw, try playing with this and see if things improve, but as has been said, if you dont use the aircon from time to time they tend to deteriorate and leak.
matty
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Location:
Bayside Melbourne.
Registered:
May 2003
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Re: Airconditioning question.
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Wed, 10 December 2003 03:00
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I am scared of rooting stuff when I don't know what I am doing... I think I'll take it to a aircon dude to check it out.
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