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  1. #1
    jeffers999's Avatar
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    air con dont like the cold

    Hey ok guys i have a problem with my air-con and funny enough so does my mate (chris audi) when i get in the car in the cold morning if i put my air con on it turns straight back off, Untill the car is warm ish then it works great any ideas cheers guys..
    jeff
    1999 audi s3, silver recardo leather, lightly smoked windows,18" rs4 reps, full exhaust with de-cat, cold air induction, front mount intercooler, 13.850 1/4 mile @ 102 mph.A little vid on me running a 13.90
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  3. #2
    joost's Avatar
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    Don't worry about it - there's no problems with it, mine's exactly the same. AFAIK it's supposed to do that.

    I couldn't tell you why to be honest but if you have a quick search about, there's some info on here.
    Justin

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    joost's Avatar
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    Just found this thread: Blower on heater A4 playing up.. Hop's post (5th one down) states that the system won't work to protect itself. God knows what from...

    This one has a bit more info.
    Last edited by joost; 11th December 2007 at 20:47.
    Justin

    2001 VW Golf 2.3 V5 (170) Highline, Indigo Blue - standard, for now...

    A4 (B5) SE with a few slight amendments here and there (sold)

  5. #4
    jojo's Avatar
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    When the air is below 5degreeC, the compressor isn't needed basically, as the air should be cold enough to have little moisture in it. It won't kick in, as it will save you fuel, and prevent the compressor from freezing itself over.



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  6. #5
    S3 chj's Avatar
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    Quote Originally Posted by jojo
    When the air is below 5degreeC, the compressor isn't needed basically, as the air should be cold enough to have little moisture in it. It won't kick in, as it will save you fuel, and prevent the compressor from freezing itself over.
    just what i wanted to know thanks mate

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    jeffers999's Avatar
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    Wowo cool cheers these audi things are cool aint they cheers everyone.
    1999 audi s3, silver recardo leather, lightly smoked windows,18" rs4 reps, full exhaust with de-cat, cold air induction, front mount intercooler, 13.850 1/4 mile @ 102 mph.A little vid on me running a 13.90
    http://s151.photobucket.com/albums/s...t=MOV00019.flv
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  8. #7
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    Another thing you guys might also want to know, the compressor, when switched on, will switch off when you put your foot down full throttle, pedal to the metal, so you can make use off all the power without the aircon sapping any bhp! This is the case for 1.8T's in the VAG range, not too sure of other engines.



    99' Audi S3(APY) - Brilliant Black Click>>>Going Sideways vid!
    You've got to have a laugh! For Sale:LCR Brakes - £400



  9. #8
    jeffers999's Avatar
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    now thats cool aswell
    1999 audi s3, silver recardo leather, lightly smoked windows,18" rs4 reps, full exhaust with de-cat, cold air induction, front mount intercooler, 13.850 1/4 mile @ 102 mph.A little vid on me running a 13.90
    http://s151.photobucket.com/albums/s...t=MOV00019.flv
    xbox gamer tag jeffers999
    PS IM AFTER A CENTER ARM REST ASAP......
    Car collection
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    Vitara fat boy jeep soft top
    saxo vtr , little track toy
    polo 1.4 beast

  10. #9
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    My throat still goes dry and my balls tighten up when I bury the throttle of my S4, is that the same thing?
    8P S3 S-Tronic BE. Stage 2 from Awesome GTi.

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  11. #10
    danotto's Avatar
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    lol
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    Quote Originally Posted by mattfinn
    My throat still goes dry and my balls tighten up when I bury the throttle of my S4, is that the same thing?
    I think you may be burying it in the wrong thing! :-)

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    Guys, I have a very similar problem..

    It seemed okay this morning, but last night after the gym, and just now, once the engine is running the fans don't blow at all... I have the front windscreen logo up, the powers whacked on full.. but nothing? Not even cold air.

    Last night after the gym, I had to sit and wait for about 10 minutes.. I couldn't see... I can't work out why they're not 'atleast' blowing out the cold air?!

    Any help =/ ? ta

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    I read this with interest as this has never happened to my S3's AC, even when i floor the accelerator it stays on??

    Maybe this was an issue with some models? Mine's an 03..

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    jimmeh if the ac unit wont let out any air from the unit until the engine has warmed up.if it did it would only be able to give you cold air therefore if you have the temp set high it wont give you any air until the engine is warm enough to produce the air temp that you want.Hope this helps
    A4 TDI S-LINE

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    Quote Originally Posted by danotto
    jimmeh if the ac unit wont let out any air from the unit until the engine has warmed up.if it did it would only be able to give you cold air therefore if you have the temp set high it wont give you any air until the engine is warm enough to produce the air temp that you want.Hope this helps
    ah, right.. SO... if when it happens again (it was fine this morning), I set the 'thermostat' to a reasonable temperature (Not 'HI') it should be able to atleast 'blow'..?

    The reasoning is there.. and with it being so damned cold at the minute, I can understand.

    Thanks :D!

  17. #16
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    Agh! What a nightmare..

    Leaving a gig late last night, I return to one steamed up car, with 4 hot and sticky 'beings' inside..

    Right, so my blowers aren't working again - oh no! We'll sit here, listen to some music, and wait for the engine to warm...

    20 minutes later, the car is running at 90degrees, the blowers still don't work.. I'm nearly crying at this point. The CD player wasn't working either?! It wouldn't read my perfectly normal CD, nor would it eject it...?!

    I had to leave the windows down for another 10 minutes whilst we freeezed, waiting for the temperature inside to drop. I had a Microfibre with me, once it started to condense, I gave a good rub, and things started to look promising. It was less than ideal, but we had to move. A mile down the road, the temperature gauge drops back to 60, and the blowers start to work.......?

    WTF. Can someone please tell me whats going on? Was it a case of having to get the vehicle moving, before the compressor warms..!? I don't get it?!

  18. #17
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    Sounds as thought you may have probs! If the temp is sitting at 90 and then randomly drops to 60 cant be good!

    When its cold and you push the button to set the blowers to de-mist the front window, they should come on full no matter what the temp. Should take a min or 2 max to de-mist. As Dannoto said, if you've got it set on auto and its cold, dont expect your heaters to blow much air out. It'll wait to have warm air before it starts blowing it in the car to raise it to your required temp.

    Its Audi's way of not introducing a windchill factor inside the car

  19. #18
    jojo's Avatar
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    Sounds like your waterpump might be knackered.



    99' Audi S3(APY) - Brilliant Black Click>>>Going Sideways vid!
    You've got to have a laugh! For Sale:LCR Brakes - £400



  20. #19
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    Could also be that the thermostat is goosed - same thing happened on mine with the temp dropping. I changed the stat and all was good again. Didn't have an issue with the blower tho. Dunno whether the cd player prob is linked sorry.

    Just a thought (and I don't have many), does the coolant temp sender have a feed to the climate unit?

    Hope you get it sorted soon matey
    Last edited by joost; 14th December 2007 at 19:14.
    Justin

    2001 VW Golf 2.3 V5 (170) Highline, Indigo Blue - standard, for now...

    A4 (B5) SE with a few slight amendments here and there (sold)

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    Thanks for the replies here guys, I've not been on in a while. sadly, the unit is stil the same. I've lost all 'blow' power now, even when the car's been active for 20/30 minutes..

    I was asked if it was a fuse? Is this possible? When the '+' is pressed and one 'power bar' shows, you can hear the compressor(?) down in the passenger footwell, but nothing comes of it - it just clunks. Rather annoyed about it now, it's starting to become a problem. Will probably drop it into a garage at some point.

  22. #21
    1animal1's Avatar
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    I havent read the thread - but i have had problems recently with the connector going into the fan.... may be worth taking the glove box off and moving it around to see if it is that..... apparently, a common problem is the connections inside the fan which become loose requiring a new fan. I ended up tie wrapping the cable back on its self which solved the problem.

    Tim
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    Jimmeh's Avatar
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    Thanks Animal..

    i've taken today out to try and fix this problem, once and for all...

    See below:



    The wire i'm holding, is this what you were talking about? Is the circular module seen the compressor!? What can be done from here :S ?!?

    This isn't ideal as I feel as rough as a badgers arse today too... damn illness.

    Thank you

  24. #23
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    If the blower is behaving erratically, then it's almost definately the brushes wearing out in the blower itself. This is a common problem.
    So if you use the manual controls on the CC unit (bypassing the temp sensors etc) and whack up the fan speed and nothing happens then the blower is at fault. You can either buy new brushes, or a whole new blower. Also just taking the blower apart and cleaning up the brushes and extending their springs will give you a temporary fix.

  25. #24
    1animal1's Avatar
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    Quote Originally Posted by Jimmeh
    Thanks Animal..

    i've taken today out to try and fix this problem, once and for all...

    See below:



    The wire i'm holding, is this what you were talking about? Is the circular module seen the compressor!? What can be done from here :S ?!?

    This isn't ideal as I feel as rough as a badgers arse today too... damn illness.

    Thank you
    Thats the one Jim, i wrapped the wire back on its self and tie wrapped, this seemed to put pressure on the plug when it was reinserted so that the contacts inside didnt jump about.....extremely temporary, but lasted me a good year at least...... somebody elses problem now
    Xbox 360 gamer ID : Timffy

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  26. #25
    Jimmeh's Avatar
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    Cheers Tim. Managed to find out that it worked the hard way..



    I've got another problem now.. half the dash is still missing, and now the car won't start!!!

    See HERE

  27. #26
    1animal1's Avatar
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    One word Jim and im sure you've used it a few times today!! Feck!!

    lol, feelin a bit sorry for you bud. It looks like mine when i fitted my bluetooth kit....never fully ripped apart the steering column though, just the lower panel.....

    Let us know how you get on, will help where possible , quite a few more in here that are far more experianced than me, happily for you

    Tim
    Xbox 360 gamer ID : Timffy

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    2009 8P3 S3 Brilliant Red - Sold
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