As the Ford GT approaches 6,000 miles there remain no major issues to report. However, there is a bit of concern regarding the half-shaft bolts where they go into the Ricardo transaxle. Several reports of these bolts backing out, and the half shaft sliding out of the transaxle, have appeared on the Ford GT owners' forum. After weeks of back-and-forth between owners and Ford Motor Company a factory-approved fix has surfaced...sort of...
But one could argue with the merits of not doing a universal upgrade. Ford's position is that less than 1% of all cars have experienced a problem (appears to be most prevalent in late 2005s through early 2006s), so it is a very isolated issue. As for our car, we are now checking the halfshaft cover on a regular basis to see if any signs of movement are apparent. So far, so good. We also plan to call our local dealer and, if they offer us a free fix, we'll probably go ahead and do it. If we have to pay, we might still go for it. BTW, failure of the bolts eventually results in a loss of drive power to the rear wheels. Likely not a horrendous occurence in most cases, but certainly no fun, either.
Karl Brauer, Editor in Chief, Edmunds.com
UPDATE from 10/17 -- After doing some additional digging it appears that using the CV cover bolts, pictured above, as an indicator regarding the condition of the internal axle bolts isn't a smart move. If the interal bolts are loose or weakened there could be no warning indicators from an external inspection. The plan now is to get the vehicle to a Ford dealer for inspection and/or bolt upgrade ASAP.

ownagt says:
05:31 PM, 01/23/07
There's no problem loosing power DEPENDING ON WHERE/WHEN power is lost! Say you pull out to pass somebody...'get 1/2 way 'round and then - NO DRIVETRAIN! Ditto starting thru a busy intersection... or, loosing power in heavy freeway traffic! The list is endless. This may be a "less than 1% problem" for Ford GT owners as a GROUP, but for those who've HAD the problem, it's 100%. There are a number of people working on a solution right now both IN and OUTSIDE of Ford. A effective solution will be found, and all of this will become just a footnote in the history of what is truely an unbelieveably fantastic car.