4kcsq center differential won't unlock!

Richard J. Andrews tech at flashmail.com
Fri Jul 6 16:42:23 EDT 2001

there is a rod running along the pass side of the transmission,
you can either push or pull on the rod and this will lock/unlock the center 

'86 4kq

At 12:46 PM 7/6/01 -0700, you wrote:

>I've got an '86 4kcsq with over 200k on the clock.  I've given it to my
>folks, who recently started complaining about its performance.  Turns out
>the center diffy is permanently locked (differential lock indicator light
>is on), and it won't turn off with the switch.  Obviously, this hurts tight
>cornering performance somewhat :-)  I think they've been driving it like
>this for a while -- hopefully this hasn't trashed the front drive!
>Anyway, I've gotta get it unlocked.  I've been under it for a little while
>searching for vacuum lines, as I assume one of them is leaking or has
>detached or something.  Man, it's tight down there.  I think the vacuum
>servo is between the battery box and the cat.  Don't want to start taking
>things apart until I know for sure.  Is the interior lock console switch
>electronic or vacuum?  Could this be a simple relay or wiring problem?
>P.S. please e-mail me at this account (pfhamilton at ucdavis.edu)

More information about the quattro mailing list