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66cobra

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About 66cobra

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    Akron
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  • Present cars
    2004 Evoms Cayenne Turbo
    2007 Mustang GT
    2005 350Z Convertible
    1997 BMW 540/6
    1991 Corvette ZR-1
    66 AC Cobra Replica
  1. Just completed this repair myself recently. The issue is the Audi steering lock actuator that locks/unlocks the steering column. The part in the first picture in the original post. This is the only part that fails and needs to be replaced, but is not available as a single item. A new un-coded column with the actuator needs to be purchased and installed. I found an unused Audi A8 column that some parts warehouse had sitting in their basement for $300. $1500+ from the dealer. Again, the only part that needs to be replaced is the lock/unlock Audi actuator. The problem is the actuator mounting and the screw that holds it to the column assembly. The actuator slide goes over the screw so depending on when the actuator fails the slide can be over the screw or not. 4th and 5th pictures above. Depending on your electrical skills, you can move the slide by taking the actuator apart (picture 6) and applying 12V DC to the 2 motor terminals and move the actuator. The PC board will still need to be replaced though as this is where the control to move the actuator motor comes from. Once you replace either the actuator or the upper part of the steering column (both sections of the column do not need to be replaced), the new Audi actuator does need to be coded to the kessy module. My dealer had some problems doing this and it finally was accepted on the 3rd try so make sure they don't give up on the first failed attempt. The Audi A8 actuator I used was a version E and my original actuator was a version C meaning there were 2 upgrades by Audi to these actuators. This is actually a common problem point in Audi A6 and A8 cars with these steering columns. Be aware that yours will probably fail too. 2 weeks after this repair the LCD main display wend dim. Porsche wants $2000 for the replacement dashboard display. I repaired it with a new $20 transformer and a voltage regulator. Not a hard job, but a PITA to desolder/resolder. There are a few repair services that will charge you $400+ for this repair that requires $20 in parts and maybe an hour of work once the display is out of the car.
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