Ok, A NEWB (to Audi anyway) question, but I've SEARCHED lol......

Reply Subscribe

Thread Tools

Search this Thread

Jun 15, 2009 | 01:41 AM

#21

Tweaked

3rd Gear

Joined: May 2008

Posts: 1,900

From: CT

Quote:

Originally Posted by MrFlippant

It was my understanding that the rear diff on an A4 quattro simply locks at any speed below 15mph, and then is open at any speed above that. Also, I'm pretty sure a 12v B5 doesn't have ESP.

The rear diff does not actually lock at all on B5 Quattro. EDL takes the place of an actual diff lock.

EDL is part of Quattro. It is integrated into ESP if ESP is optioned, however, ESP does not have to be optioned to have EDL. As of 1996, all B5 Quattros have EDL.