ray wrote:
>
> ssggbroot wrote:
> > On your truck, you are right in that when you pushed the pistons in- you
> > probly rode over some junk. but also pushing the wheel cylinders in may
> > have caused some air to be sucked into the cylinder.
> > If you haven't installed the new ones yet, try bleeding each one till
> > you get a good steady drip.
> > And as the other guy stated, adjust your brakes up with the adjuster,
> > backing up will never bring them up to where they should be.
> > Extend the adjusted a few clicks and try to slide the drum on, if its
> > still loose-adjust alittle more. once they are adjusted properly you
> > will hear the shoes just rubbing against the drum-but will be able to
> > turn the drum freely.
> > If after all of this, the pedal is still low and the brake light/abs
> > light is still on, you may have a baddump valve. the chey trucks are
> > famous for this valve going out for the slightest reason. I've replaced
> > many over the years, I'm a brake and front end mechanic.
> >
> >
>
> ok, I replaced both wheel cylinders, both hard lines, and the flex line
> to the frame. bled them and bled them and still have a soft pedal that
> pumps up. The master cylinder went dry when I ran out of parts and it
> sat overnight, so we cracked the lines and bled it too. Didn't bleed
> the dump valve - according to the manual it should have a bleeder, but
> it doesn't. Do I need to have this thing pressure bled or something?
>
> There are no more leaks, and the truck was stopping fine (well at least
> as good as it could with grease soaked brake shoes.)
>
> Ray

Did you manually adjust the rear brakes? You cannot get a solid high
pedal with the rear brakes unadjusted. You will have to pump them up.

Does the emergency brake work now?

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
Canadian Off Road Trips Photos: Non members can still view!
Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
(More Off Road album links at bottom of the view page)