Thread: Disco 2 Brake pedal pump / Bleeding

I like you would like to improve my pedal too - i've strived to achieve that over 7 years of ownership. There had been a lot of useful discussion on the forum over that time re brake bleeding. The abs unit can be purged of air by a drive procedure using Traction Control to 'work' the valves and then re-bleeding the brakes. I've adapted a garden sprayer to function as a pressure bleeder and will use that next time around meanwhile I'm working out how i will pressure seal the fill neck of the brake fluid reservoir..

Originally Posted by Bokeh

I have tried a traditional bleed with an assistance pumping the pedal and bleeding the furthest calliper to the closest to the master. (no change)

RAVE has the bleed sequence from the shortest, Passenger side to the furthest, Drivers side rear.

Page 1067 in the RAVE manual

brakes.jpg

I've done modulator power bleeds with nanacom and it did improve brake feel so some of my customers tell me.

Try this: http://www.aulro.com/afvb/discovery-...akes-solo.html

It doesn't fully flush all the ABS module channels but should help.

You should change the master cylinder if you know it's old

Originally Posted by simonmelb

Try this: http://www.aulro.com/afvb/discovery-...akes-solo.html

Please read the whole post Bokeh,,
SPECIAL attention should be paid to the posts by Offtrack.


and yes the D2 brakes have a longer travel than say, a D1
but they are built this way for a reason.
By all means re-bleed and modulate as required but dont get in the habit of double pumping,, you may not have the extra distance when you really need it---

Originally Posted by Roverlord off road spares

I've done modulator power bleeds with nanacom and it did improve brake feel so some of my customers tell me.

Yup a modulator power bleed is the professional (and recommended) way and although "traditional" methods plus the 'tricks' posted on the forum to deal with the ABS modulator do deliver a servicable result it just ain't quite the same as the workshop modulator power bleed...

The low pedal on first push and then higher on the second push seems to be the "normal" experience for many disco 2 owners, somebody dubbed it "the chauffuer pedal" years ago I dont know! but it is an irritant for me too...

Got tied of waiting for Hawkeye or Nanocom preloved units to come available so someday when I accrue a 'lazy' $700 thereabouts I'll be buying new I guess so as to do the job correctly.

I have bled mine to death in every conceivable way, replaced the master cylinder, rotors, seals and switches in the ABS unit, and it is still the worst brake pedal I have ever known.

I had a Kawasaki ZX10R with a similar feel in the front brakes. Some owners swapped out the master cylinder and caliper for a Honda job. It's just the way it was......