Monster MotorsportChris Nott
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  1. #1
    munchkincoupe's Avatar
    5th Gear

    Join Date
    Aug 2010

    Aircon unit and belts - good idea all at same time?!?

    My 8P1 needs a new aircon unit and needs major service belts doing. Would it be best to get all of these done at once as on previous cars I have owned the aircon runs off belts that required cambelt to come off anyway?

    Thanks for your help

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  3. #2
    Sportback owner

    Join Date
    Apr 2007
    Munchkin, your aircon compressor runs off a different belt from the camshaft and it is called the 'auxillary drivebelt'. It also drives the alternator. Since this belt is visible it can be inspected for cracks, splitting and fraying. The auxillary belt can be changed at any time without interfering with the cambelt. I believe that the service interval for the auxillary belt on both petrol and diesel is 40,000 miles or 4 years, or of course if it is seen to be deteriorating. If on the other hand you must have the cambelt replaced, then it would be sensible to replace the auxillary belt as well.
    French A3 Sportback 2006, 2.0L 140 TDI, DSG, RSN-E, Ambient lighting, Auto-lights/wipers, Reverse assist, Dolphin Grey, 17" wheels, Leather seats, Cruise control, Roof bars.



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