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Topic: aircon (Read 1166 times) |
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welshbest
Newbie
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Posts: 18
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 hi all i am having a problem with the air con not blowing cold i fact i seems to be slightly warmer than the out side air 
the pump fires up on the push of the switch revs drop slightly but no cold air even after 20 mins
the car is at full running temp i dabed the valve open ao the gas filler valve gently and there is plenty of presure and there is a floresent yellow dye (i know what you are thinking i let all the gas out it was only a very very very small blip just to see if there was gas in it)
i have cheqed all the pipes and rad to look for the dye but all clean
i am guessing that the pump would not start unless there is sufficent presure but as i say it dose start so i am at a bit of a loss
so any help would be great 
thanks
darren
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Snoopy
Administrator
Very old.BAD tempered and missing friends.
Posts: 6278
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Re: aircon
« Reply #1 on: May 3rd, 2007, 7:58pm » |
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HAve you done a reset as per the A/C pages tell you HERE if you have climate control that is !
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welshbest
Newbie
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Posts: 18
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Re: aircon
« Reply #2 on: May 3rd, 2007, 8:21pm » |
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no just standard a/c have just had anouther look around i noticed that the fuse for the compressor was missing so put a 30 amp in the hole and still dont work on top of the compressor theris 4 wires that come out and go to a plug behind bumper when i unplug this the ac system cuts out plug it back it comes back on i dont know how to test the compressor to c if it is working if indeed this the compressor behind the cover ? bye the bumper
thanks darren
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: aircon
« Reply #3 on: May 4th, 2007, 12:47pm » |
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To check if the compressor is working, switch on the aircon & check to see if the clutch wheel (on outside of pump pulley) is spinning 
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welshbest
Newbie
I'm a YaBB newbie!
Posts: 18
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Re: aircon
« Reply #4 on: May 7th, 2007, 2:32pm » |
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hi jonnycab
i dont know where to look
is the compressor the unit behind the cover to the right of the bumper?
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welshbest
Newbie
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Posts: 18
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Re: aircon
« Reply #5 on: May 7th, 2007, 2:39pm » |
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ny mistake i found the clutch you mean yes it dose inguage when you turn ac on and de-ingauge when you turn it off
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Penguin
Full Member
Scorpio Owner 12/05 - 7/07
Posts: 188
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Re: aircon
« Reply #6 on: May 9th, 2007, 2:30pm » |
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Thermostat jammed closed?
Cheers
Penguin
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Snoopy
Administrator
Very old.BAD tempered and missing friends.
Posts: 6278
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Re: aircon
« Reply #7 on: May 9th, 2007, 5:04pm » |
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Does the pipe go to the car get COLD when you turn it on....?? If so then it would appear to working correctly. Have you checked the filters and all the associated parts as well.
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welshbest
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Re: aircon
« Reply #8 on: May 9th, 2007, 6:11pm » |
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hi snoopy
i dont know what filters you mean and where to find them and what associated parts should i look at sorry i look like a dunce but aircon in a car is a new thing to me
the pipes that come from the round unit bye the bumper seen to get a little cooler but not freezing prob only 1 or 2 degrees cooler
than amb temp
Penguin
Thermostat jammed closed?
what stat are you talking about
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sector-9
Senior Member
No scorpio anymore
Posts: 1069
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Re: aircon
« Reply #9 on: May 9th, 2007, 7:39pm » |
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Follow the silver pipework in the engine bay to where the two both go into the cabin. Just before this point there will be a square block valve with a "flying saucer" on top. The narrow pipe between this valve and the cabin should be v. cold with the aircon on. If not then check the narrow pipework before this valve and see if that's cold or not. If it is then you've probably got a blocked receiver, if not then either there's no gas or the compressor is busted.
Darren
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Simmo
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Re: aircon
« Reply #10 on: May 9th, 2007, 9:20pm » |
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The filters are shown HERE and the page contains numerous other links which may help.
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mr._floppy
Junior Member
Posts: 100
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Re: aircon
« Reply #11 on: May 10th, 2007, 12:43am » |
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Air-Con trouble -shooting is not really a DIY option so, better you take along to your local AC specialist .
Chances are it only needs a re-gas ( about £50-65 )
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welshbest
Newbie
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Posts: 18
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Re: aircon
« Reply #12 on: May 10th, 2007, 5:53pm » |
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on May 10th, 2007, 12:43am, mr._floppy wrote:Air-Con trouble -shooting is not really a DIY option so, better you take along to your local AC specialist .
Chances are it only needs a re-gas ( about £50-65 ) |
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lets face it most garages will rip you off and say one thing is at fault being a cheep fix and blame it on somthing that will cost a lot more (in my oppinion)
i have been at the ripoff end to many times and now like to have an idea of what the problem is b4 i bite the bullet and take it to a garage for a repair
it is costly enough to run the scorp allready 
darren
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pete from Hull
Senior Member
Non Scorpio at the moment, but still interested...
Posts: 1365
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Re: aircon
« Reply #13 on: May 11th, 2007, 7:07am » |
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I don't think it's as much a rip-off in all cases, more of ignorance of the sophisticated system used in the scorp.
The basics of air con are quite simple until you start to delve into the sensors and relays used. I think that garage staff have maybe been on a basic course to learn the reudiments, (get a starter) and then they tend to maybe fluff their way through jobs, it has been stated to me by 2 garages that "it is a learning curve", that's all well and good but it becomes at our expense....
My last re-gas the other week cost me £124 as opposed to the £55 quoted for the service, why? because I was told the pressure switch was faulty. Was it?... No, the system needed a re-set
How do I know this? because I refitted the old switch they had replaced and it still works... I rest my case m'lud
Pete
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mr._floppy
Junior Member
Posts: 100
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Re: aircon
« Reply #14 on: May 11th, 2007, 6:03pm » |
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With almost every new car having some form of AC, there are more reputable AC specialists around, and like most complicated things they only complicated cos you know nowt about them, to these experts, they are simple. 
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welshbest
Newbie
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Posts: 18
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Re: aircon
« Reply #15 on: May 11th, 2007, 6:19pm » |
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yep i see your point but i live in west wales and everything here is 50 years behind the rest 
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