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Old 13-06-15, 05:24 PM   #1
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Default Air Con Not Working. 207cc 1.6 GT

Have noticed the aircon is not working during the recent warmer weather. I normally just set it at 18 degrees and leave it on auto but I needed it cooler today as a passenger was complaining a bit and all I got was warm air even when set on LO. Took it for a regass but it's still not working. The bloke who did it said it could be a fuse (its not I checked that) or the pump ( I take it he means the compressor)

Does anybody have any idea what it is likely to be? Not because I'm planning to do it myself (!) but just so I'm not blinded by science when I take it to an 'expert'.

One thing I have noticed is that on the wife's old 206 she used to have with manual A/C the engine cooling fan always worked when the A/C was on even with a cold engine ( I was told this was normal) I noticed today that even with the A/C set to low the fan didn't work in the same way as the 206 one did. Does anybody know if it should and if so could this indicate an electrical fault rather than something mechanically wrong with the compressor?

Thanks
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Old 13-06-15, 09:48 PM   #2
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From your description it sounds like the guy you took it to knows as much about automotive AC systems as I know about the particle accelerator at cern which is jack S***.

Does the clutch on the AC compressor kick in when you switch it on. If it doesn't then it could be in need of a regas, a faulty pressure sensor, a faulty clutch or wiring problems. Is the plug to the clutch connected ?

I'd be looking for a local AC specialist. The specialists are less likely to try and con you than the nationals who do AC regassing. They will be able to check the pressure and if it needs a regas will more than likely do a vacuum test which will expose any leaks.
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Old 14-06-15, 08:43 AM   #3
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Thanks for your response, it was helpful. I did take it to a specialist first but being Saturday lunchtime they were in the process of locking up when I arrived and I couldn't even make an appointment. It was on the way home I noticed an NTS centre advertising regassing and thought it was worth a try. In fairness, because it was still not working they didn''t charge me anything. In the meantime I've arranged for National AirCon to have a look at it on Thursday. They're a mobile service and seem to have a good reputation. The bloke I spoke to seemed to know what he was talking about and he did mention using a dye to check for leaks. They can also supply and fit any parts that may be needed.

I'll check to see if the clutch engages. I take it I should listen for the sound? Or is there anything I should be able to see? I'll also check the connections although I've never been near them so I'm assuming they will be ok.

Purely out of interest, I've noticed the cooling fan does not kick in when I turn on the A/C. It's a sort of chicken and egg thing. Does the fan not kick in because for whatever reason the aircon is not working or could the aircon be not working because the fan is faulty? Or am I best just leaving it to the experts!
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Old 14-06-15, 09:15 AM   #4
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You should hear the AC pump clutch kick in. It's easier to hear with the bonnet up and the door open or at least the window open. Failing that you should be able to see the centre hub of the pully rotating when the clutch is engaged. If the centre of the pulley is stationary then the clutch hasn't engaged so no AC.

Can't say I've ever noticed the fan come on with the AC so couldn't tell you if they are linked in that one failing will affect the other.
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Old 14-06-15, 10:13 AM   #5
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Thanks. I only mentioned the fan because on the wifes old 206 it used to come on as soon as the A/C was turned on. It may be different on the 207. Anyway, I've tested the fan this morning and as far as cooling is concerned it works perfectly....comes on at just over 90 so that's a relief!

Connections seem ok. No clicking from the compressor when A/C is turned on and assuming I go by the bolt in the centre of the pulley the compressor doesn't seem to be spinning so whatever the reason that looks like the problem. The pipes running up to the bulkhead are not getting cold either so I assume the gas is not getting pumped around. I'll leave it now until NatAirCon come on Thursday and hopefully they will be able to identify the problem and sort it. I just hope it doesn't need a new compressor as I've had a look around on 'tinternet and they look bloody expensive!

Thanks for your help, very much appreciated.
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