rear lock stopped working

[Huw Powell]

> I noticed at the end of winter my rear [diff] lock on my 100Q 1989
> does not work anymore.
> 
> I push the botton and nothing happend, neither the little leds lights
>  !! the rear module stay at unlock. I did exchange vac tube to see if
>  it can goes to the lock position... works ok,, i putted back the vac
>  hose. The vac unit on the rear diff works great,,, but the front 
> module seems to not respond anymmore
> 
> Any suggestion ?

Try cleaning the switch.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/