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Discussion Starter #1
Hi guys,

So, took the 159 out for a drive yesterday in the sunshine, only to notice that the air con was dead. Driving on the highway one could feel a slight breeze through the vents but in city traffic and at idle nothing at all. Tried different settings, temperatures, fan speeds - nothing. Needless to say, it felt like a sauna on wheels.

Called my trusted Alfa specialist this morning and he chuckled a bit, as he said that he surprisingly already had to replace the compressor on two 159's last week. Looks like our cars are showing the age, he said. Mine's a 2007, and sure, it could be an easy fix with a refill, but it could also be one more compressor replaced.

Just a heads-up, before you guys go on holidays :irked::paranoid:
 

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That sounds like the fan - the big resistor connector melts. Used to change 12V to what fan requires.
A/C is on but little or no effect.
Easy fix.
 

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That sounds like the fan - the big resistor connector melts. Used to change 12V to what fan requires.
A/C is on but little or no effect.
Easy fix.
I agree. The compressor is used to supply the 'cold' element of aircon. It has nothing to do with whether the fan blows or not.

Besides which, two compressors isn't that unusual. It's a coincidence that he saw two in a week, but that's the nature of 'random'. If he was suddenly seeing two a week, every week, that might be something to worry about.
 

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Discussion Starter #4
BOOM. Coincidence or not - just talked to my coworker who has a 2007 as well and his aircon stopped working last Friday as well. He took the car to his garage and was quoted 1100 CHF to fix.

I can't believe it - just bad luck or pure (multiple) coincidence? I'll you know what's wrong once mine goes in later this week. I have a warranty on my car so hopefully it will cover the costs.
 

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it's the same thing every year, with every brand.... first time the weather gets really hot several customers make appointments about the AC not working. We never get any from autumn till late springtime, but then they all pop up.
 

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Leave the A/C running all year round ✓

Run it at full heat every couple of months to kill off any germs ✓

Change the filter at least every 2 years. ✓

Get the gas checked/refilled every 3-4 years. ✓

Trouble free A/C. :thumbs:





Lack of airflow from the vents will not be linked to a compressor problem.
 

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It could be the fan controller connector in the passenger footwell. That was the cause on my wife's. Slightly fiddly but easy fix. If it has been left a long time the connector does get so hot that it melts the main controller. Caught mine just in time. Closed the female connector up. Cleaned the male spade and Richard is your mother's brother.

Somewhere on here I did a short write up.
 

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If you want +16 inside with 30+ outside AC would move cold air in.
If cold air may not be generated enough AC would decrease hot air in only.
Why do not you open the bonnet and touch AC pipes ???... Are they cold or not ???...
 

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Discussion Starter #9
Thanks guys for all suggestions and diagnoses. The problem is that I'm away on a trip for a few days and really need the car working as soon as I get back - the temperatures will go up to +34 degrees in a few days - just imagine driving to work in that heat. As it turned out, the easiest thing is to drop off the car at the garage and let them fix it (it is under warranty...) - I'll let you know what was wrong.

Enjoy the summer while it lasts! :driving:
 

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Discussion Starter #11
So, car is due to be picked up today. Apparently it was only a fuse this time! Haha, quite a different root cause than expected. :biglaugh::embarrassed::cloud9:

Will be charged accordingly, I've got an honest mechanic over here :thumbup:

Happy motoring to come.
 
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