TT (Mk1) Discussion Discussion forum for the Mk1 Audi TT Coupe & Roadster produced from 2000-2006

checking haldex unit

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Old Jul 19, 2008 | 01:27 PM
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Default checking haldex unit

I followed the instructions posted on another thread.

I drove in a circle up to 10mph and then disengaged the clutch....once without reving the car and once with.


When I was revving the engine the car didn't go as far as when I wasn't, but out of four tries, it only went half as far once. Could this mean the the haldex is only partially engaging or are things ok with the unit?

Lance
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Old Jul 19, 2008 | 01:36 PM
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Default Do the rest of the tests..

Do the readiness tests with a Vag Com too.
Go out in a dirt surface and do a clutch dump. If the front wheels spin you have a problem. If it hooks up you are likely OK..<ul><li><a href="https://forums.audiworld.com/tt/msgs/1452481.phtml">Haldex diagnostics..</a></li></ul>
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