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Thread: 2010 audi heating issue

  1. #1
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    Default 2010 audi heating issue

    Hey,

    Has anyone come across cold air blowing out of the vents when the heat is on high with the engine warm? I've been driving around and sometimes I get hot air but its 50/50 chance either hot or cold air. Just trying to get this issue resolved.

    Thanks guys

  2. #2
    Scrapes BaggedGLI's Avatar
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    Default Re: 2010 audi heating issue

    Could be a mixture flap needing adaptation for not fully opening or closing. B8 S4 are notorious for thermostat issues. I would start with those. If issues persist further diagnosis or a heater core flush, depends how you would want to proceed.
    Last edited by BaggedGLI; 01-11-2018 at 12:35 PM.
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    Registered User witchcraftz's Avatar
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    Default Re: 2010 audi heating issue

    I had the air blend door break on my MK4 jetta a few winters ago winter. Not hard but took a bit of time to disassemble the dash to get inside and fix it.
    Last edited by witchcraftz; 01-11-2018 at 12:03 PM.

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    Default Re: 2010 audi heating issue

    Quote Originally Posted by BaggedGLI View Post
    Could be a mixture flap needing adaptation for not fully opening or closing. B8 S4 are notorious for thermostat issues. I would start with those. If issues persist further diagnosis or a heater core flush, depends how you would want to proceed.
    I'm calling around for rates on the thermostat. No way in hell am I doing it haha. WAYYYY too much work.

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    Default Re: 2010 audi heating issue

    little update, I tried doing a heater core flush. No luck. I did some more research and on audizine people said there was a recall back in 2011 on these bad boys. Hopefully that's still a thing.

  6. #6
    Bashful moderator Geobmx4life's Avatar
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    Default Re: 2010 audi heating issue

    Here's a link you can use to see if your car has any recalls, just type in the VIN. Keep us posted
    http://web.audiusa.com/recall/
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    Scrapes BaggedGLI's Avatar
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    Default Re: 2010 audi heating issue

    Quote Originally Posted by madramzi24 View Post
    little update, I tried doing a heater core flush. No luck. I did some more research and on audizine people said there was a recall back in 2011 on these bad boys. Hopefully that's still a thing.
    What did you use to flush? We have a pump we hook up that circulates and heats the flushing solution through the heater core.
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    Default Re: 2010 audi heating issue

    Quote Originally Posted by Geobmx4life View Post
    Here's a link you can use to see if your car has any recalls, just type in the VIN. Keep us posted
    http://web.audiusa.com/recall/
    Hey, I checked that out. Nothing for my vin. Other vin's had recalls on their thermostats haha.

    Quote Originally Posted by BaggedGLI View Post
    What did you use to flush? We have a pump we hook up that circulates and heats the flushing solution through the heater core.
    I just used a hand pump with warm water than a prestone flush and clean bottle. I pumped 8 liters of warm water through than I pumped the flush and clean and topped up with g12.

  9. #9
    Scrapes BaggedGLI's Avatar
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    Default Re: 2010 audi heating issue

    We typically flush for 8-12 hours.
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  10. #10
    Registered User witchcraftz's Avatar
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    Default Re: 2010 audi heating issue

    Quote Originally Posted by BaggedGLI View Post
    We typically flush for 8-12 hours.
    Wow, that is an in depth cleaning there.

  11. #11
    Forum Moderator;Audi Lover R_Ethug's Avatar
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    Default Re: 2010 audi heating issue

    LOL 8-12!?? I need to flush the all road soon as it barely pumps heat out anymore I was just going to do a few back and forth using Home Depot hoses and my air compressor and maybe some CLR or something

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