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4th gen. quattro
The A4 quattro is advertised as having the "fourth generation quattro
system." Here are my guesses on what the four gens. are:
1st: 1981(?) - 1987 front: free
all models center: manually lockable
rear: manually lockable
2nd: 1988 - 1995 front: free
all but V8 center: TORSEN
rear: manually lockable with
auto disengage above 15mph/25kmh
3rd: 1990 - 1991 front: free
V8 center: TORSEN
rear: TORSEN
4th: 1996 - front: free
all models center: TORSEN
rear: manually lockable with
auto disengage above 15mph/25kmh
and EDL (a true autolock feature?
or some kind of "brake the wheel
that's spinning" thing? the owner's
was confusing - possibly EDL means
something different for FWD than it
does for quattro?)
Corrections? Comments? Anyone have any clue about why Audi didn't
stick with the V8's double TORSEN setup? Seems like the best to me, although
it takes all the fun out of manually locking the diffs.
Peter
'93 90csq