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Aircon sucks engine power

TeKnodriver Jun 12, 2012

  1. TeKnodriver

    TeKnodriver Biodiesel Purrrr

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    As per post title, turning on the AC seems to draw a big chunk of engine power / feels like driving with handbrake on...
    in fact it seems to cycle on and off every minute or so

    not sure if this is normal on cars this old -
    had a hire car last week and AC made hardly any difference to engine performance

    had new aux belts fitted few months ago but it made no change

    is there any way to check correct function through VagCom?

    98 TDi btw.
     
  2. AR-rkon

    AR-rkon Mod back in a "B" Staff Member Moderator Regional Rep Team V6 Team Silver Audi A6 Audi A4 Audi Avant Owner Group

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    Hello stranger.

    Your running an AFN if i remember correctly. I never noticed any power drops in mine... when was the AC last gassed up? if the lubricant in the compressor is low or worn it may result in extra load on the engine through the AC compressor...
     
  3. TeKnodriver

    TeKnodriver Biodiesel Purrrr

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    Yes mate, it's AFN
    more load on the engine is probably a better description

    regas done couple of years ago,
    as for lubricating compressor - can this be topped up or whaddya do?
     
  4. AR-rkon

    AR-rkon Mod back in a "B" Staff Member Moderator Regional Rep Team V6 Team Silver Audi A6 Audi A4 Audi Avant Owner Group

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    It can be topped up by any decent garage or AC specialist. but ideally it should be G 052154a2 (original VAG compressor oil)
     

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