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    Thread: Well half tank is apparently the new empty

    1. Member Doooglasss's Avatar
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      04-26-2012 05:57 PM #1
      On my car. I literally have a cluster In pieces on my desk that I was repairing. The old empty was the 1/8th of a tank marker.

      -Doug

    2. Moderator PLAYED TT's Avatar
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      04-26-2012 07:01 PM #2
      Well do whatever you did to it but 1/8th of a tank in the opposite direction from the starting point
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      04-26-2012 07:21 PM #3
      Mine has done the same thing...171K on mine. Not sure it there is a way to recalibrate it or whether the fault lies in the float in the tank. It has been getting progressively worse to...to the point that it showed over 1/2 tank and I actually ran out of fuel. I went 490 miles on that tank I later discovered though...haha.

    4. Member TheDeckMan's Avatar
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      04-26-2012 07:56 PM #4
      Quote Originally Posted by DougLoBue View Post
      On my car. I literally have a cluster In pieces on my desk that I was repairing. The old empty was the 1/8th of a tank marker.


      Sounds like the windings might have started to fail. Mine @ 1/8 is empty. Thus new cluster waiting for my free time. I presume if you were to redo the windings, then fill the tank and place the gage @ full, it would be pretty close.
      -Noah
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      04-26-2012 10:42 PM #5
      Check the gauge against the "miles to empty" in the central display if they agree it's the sender(s) if not use VAG.com to check the gauge.

      2 senders in a quattro.


      Dirty senders is pretty common, you can clean them with a pink eraser and contact cleaner . Replace the tank seals otherwise they will leak. I cleaned mine a year ago any they are still OK.

    6. Member Doooglasss's Avatar
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      04-26-2012 10:57 PM #6
      Oh yea I'm more than aware it's the cluster... The vagcom tests prove it.

      I have an extra cluster that the tach doesn't work and the oil light flashes, but everything else is perfect. I removed the gas gauge motor from the good cluster and plan to install it into my current cluster. I'm gonna line it up with the vag-com tests- or I hope it all works out that way. I've read it could be the firmware for the cluster as well.

      Process part one- the good cluster stripped down:

      Last edited by Doooglasss; 04-26-2012 at 11:02 PM.
      -Doug

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      04-26-2012 11:58 PM #7
      Doug, let me know if that works out for you - I (and every other TT owner ) have the same issue, and also a spare cluster.
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