"self-locking nuts"

[Huw Powell]

> Self locking nuts generally have a nylock or similar part to them that
> keeps the nut from backing off.  It's not a "stretch" thread.  Once turned
> onto a bolt and back off, some of the retaining feature is diminished.  For
> safety sake on driveline parts, I'd get new lockers.

And they can usually be found at better hardware stores, as long as you 
know what size you're looking for.  Could be easier than the dealer.

>>I'm planning to replace the oil seals on the rear differential of my 99 a8.
>>Bentley's says "self-locking nuts must always be replaced."

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/