88 5KtQ brake problem

[Huw Powell]

> I have an 88 5ktq (ABS) that pops the brake warning symbol up when the
> brake pedal is depressed and the pedal gradually descends to the floor
> (accompanied by a slight vibration). A new brake master cylinder, new
> DOT4, and sequential bleeding did not yield the desired pedal stability.
> 
> One bleeding nipple broke off in the process and bleeding was
> accomplished by loosening the brake line @ the caliper.

I'm not sure that can be done successfully - you might need to 
repair/replace that bleeder/caliper in order to truly get the air out.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/