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Topic: Air Con probs (Read 573 times) |
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ChrisF
Full Member
All the Granny's now the best 98 2.3 16v Ultima
  
Posts: 136
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Air Con probs
« on: May 8th, 2008, 2:38pm » |
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I have a problem with the Air Con or to be more precise lack of it. The pump doesn't cut in. I have a sneaking suspicion the the last owner has had a problem with the Air Con and disabled it in some way. Is there any way of checking it.
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pete from Hull
Senior Member
Non Scorpio at the moment, but still interested...
Posts: 1365
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Re: Air Con probs
« Reply #1 on: May 8th, 2008, 5:16pm » |
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First check the fuses if you look on the aircon pages there are all the relevent check tip, if you read it carefully you'll learn a lot and also all the threads that have been posted too.
I'm just going home from work now but I think you'll find what you need here
http://www.fordscorpio.co.uk/acindex.htm
Hope it goes well for you...
Pete
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Bring back fair wages.........
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Jonnycab
Senior Member
Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: Air Con probs
« Reply #2 on: May 8th, 2008, 10:40pm » |
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Try turning, by hand (engine off  ) the clutch wheel at the front of the compressor pump. If it won't turn then it means the pump is seized.
If it does turn okay, then the system may just need re-gassing 
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ChrisF
Full Member
All the Granny's now the best 98 2.3 16v Ultima
Posts: 136
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Re: Air Con probs
« Reply #3 on: May 9th, 2008, 7:28pm » |
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It doesn't turn, is this a common problem. Can it be replaced easily.
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scorpio_man
Administrator
Ford Kuga awd
Posts: 5654
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Re: Air Con probs
« Reply #4 on: May 9th, 2008, 8:05pm » |
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hi there
replacing the compressor isn't that hard. the system should be emptied by an a/c place first. then it just a few bolts (4, iirc) for the pump body and 2 for the pipes.
remember the pump is heavy. best to tie a rope around it first before trying to remove it.
hth
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ChrisF
Full Member
All the Granny's now the best 98 2.3 16v Ultima
Posts: 136
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Re: Air Con probs
« Reply #5 on: May 9th, 2008, 8:18pm » |
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If this is the problem, then has he disabled the clutch in some way like removing a fuse or something.
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ChrisF
Full Member
All the Granny's now the best 98 2.3 16v Ultima
Posts: 136
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Re: Air Con probs
« Reply #6 on: May 11th, 2008, 8:08pm » |
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I have checked out the clutch and it does turn around its just a little stiff but it is possible with one hand. But it dosn't 'engage'. Any ideas?
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gozz
Senior Member
Been around awhile
Posts: 3475
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Re: Air Con probs
« Reply #7 on: May 11th, 2008, 10:28pm » |
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Chris.
If the system runs low on gas,the pressure switch on the receiver/dryer behind the N/S plastic cover behind the rad grille,will disable the system to prevent damage.You could momentarily bypass it or check it's continuity.If it needs replacing you can unscrew it without depleting the gas as it has a valve underneath it which cuts off the flow.
GOZZ
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Daven
Senior Member
I'm a cheeky Boy! (Simmos fan club)
Posts: 1117
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Re: Air Con probs
« Reply #8 on: May 12th, 2008, 12:35pm » |
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This can be a symptom of a faulty expansion valve - I had the same problem and thought it was the compressor but it turned out to be the valve (bit cheaper than a new compressor!)
Dave
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ChrisF
Full Member
All the Granny's now the best 98 2.3 16v Ultima
Posts: 136
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Re: Air Con probs
« Reply #9 on: May 12th, 2008, 4:50pm » |
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I've shorted out the pressure switch and the compressor works (courtesy of gozz). So it looks like it needs topping up, does this happen often, although it seems like the previous owner just ran it into the ground, so it could be just topping up. Or a leak!
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Snoopy
Administrator
Very old.BAD tempered and missing friends.
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Re: Air Con probs
« Reply #10 on: May 12th, 2008, 8:46pm » |
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Should be cheked ever couple of years in reality but if it has not got any leaks then it should be ok for several.. IF it has not been done for a while its got to be worth spending a few pounds to get it checked over and tested for leaks.
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