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I have no heat in my car, it's an audi a6 1996 2,6l v6. I thaugt it was air in the cooling system, but i've been bleeding the system for 3 hours.. At the first i used the air screw at the drivers side in the engine bay, but just cold whater came out. Then i tried to do it with the coolant tank, there was hot whater ! Any idea ?

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  • Audi Master
  • 76,848 Answers

You likely have issue with the air temperature blend door, either the door is jammed (common) or the actuator is defective, but that is most often caused by the sticking blebd door, it is plastic and warpin is common.

Posted on Mar 17, 2014

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Posted on Jan 02, 2017

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SOURCE: can't bleed coolant system on Audi A3!

In my experience with Audis, after any job requiring changing/draining the coolant the car ideally needs to be driven. With the coolant topped up to max drive the car, keep the revs up and shake the car with steering and over bumps where possible. Whatever you do make sure you take at least 2 litres of water/coolant with you, as as soon as the air lock goes, the level drops a lot and quickly. Also keep an eye on the temp gauge and avoid letting it go much over 90 degrees (over 90 on the gauge usually means its well into the hundreds) When you get consistant hot air through the heater, at idle, the level should of settled. If this doesnt work you may have thermostat issues or a blockage. Good luck, let me know how you get on.

Posted on Mar 26, 2009

  • 4 Answers

SOURCE: automobile air conditioning on max cool, blows hot

I had the same problem when i was working on my 1999 Buick Regal and had to disconnect the battery. I didn't reconnect in the same way that I disconnected the battery from the terminal and noticed that the driver side had no heat or air but the passenger side did. I then disconnected the battery again and reconnected it the same way and now have heat and air on both the driver and passenger side. Hope this helps. Good Luck!

Posted on Apr 26, 2009

messstat
  • 365 Answers

SOURCE: looking for procedure to properly bleed an audi A4

You didn't say what year the car is or what other diagnostics you've done lately...My guess is the radiator core is plugged...If you want to tackle it yourself, buy a Chiltons repair manual at AutoZone or NAPA stores ($25). I suspect you'll have to order the manual.
Good Luck

Posted on Jun 26, 2009

oldfishead
  • 155 Answers

SOURCE: Why is it overheating?

Sorry but its common for this year to have a hyd cooling fan motor to go bad along with the coolant degas tank breaking...you'll need ford pn# XW4Z-8K621-AA motor and a # 388898S washer to replace, along with the degas tank..don't forget p/s fluid to refill the system...BESURE you totally PURGE the cooling or it will O/Heat in 2 blocks ....hope this helps you...GL

Posted on Jul 08, 2009

alicantecoli
  • 22246 Answers

SOURCE: Coolant Leak

rear cylinder block core plug its behind the bell housing.It has been caused by running the engine with no antifreeze which also acts as an anti corrosion inhibitor .

Posted on Nov 20, 2009

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