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Rear Brake is Soft - Resuced Stopping Ability

mrvman

mrvman

Tuned and Synch'ed
Joined
Jun 29, 2015
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Location
Savannah, TX
I searched around the forums to see if anyone else has posted a similar issue without success.

I noticed on my 2014 Custom a "soft" rear brake - I observed this when backing out of my garage - the driveway is sloped, so when I back out I typically apply the rear brake to hold it while I activate the garage door remote, etc.
That is when I noticed that the bike continues to roll back; it requires me to bear down on the rear brake to get it to hold the bike in place.

I have already attempted the following:
  • Replaced rear brake pads
  • Bled the brake fluid
Despite the above maintenance the rear brake continues to be "soft" and does not have the same grip/stopping ability.

Would anyone have any insights on what I could check for next? I've considered the ABS manifold, but considering that I am actuating the rear brake directly I am discounting that -- if anyone can correct me on this I would appreciate it.
 
On the Tonti's sometimes get a air bubble stuck at a bend in the line. I would take off caliper, put a wrench between pads w/bungee cord and place up on boxes or table to bleed. Tapping on line and fittings while pumping. Now I have an air compressor pump, sucks way better.
 
V700Steve said:
On the Tonti's sometimes get a air bubble stuck at a bend in the line. I would take off caliper, put a wrench between pads w/bungee cord and place up on boxes or table to bleed. Tapping on line and fittings while pumping. Now I have an air compressor pump, sucks way better.
Click to expand...

When that happended to my buddies old Land Rover Defender, he used to get a JCB with a back backet and hang the vehicle upside down with a chain from it's tow bar until the bubble found its own way out - just a suggestion
 
It still sounds like there is air in the system. I would bleed the front and rear, go ride it and activate the ABS a few times and bleed it again. If you have the PADS, you can activate the ABS pump and bleed the system.
 
Motorcop said:
It still sounds like there is air in the system. I would bleed the front and rear, go ride it and activate the ABS a few times and bleed it again. If you have the PADS, you can activate the ABS pump and bleed the system.
Click to expand...
Indeed, that's what was suggested on a Facebook Guzzi group as well: I need to activate the ABS then perform a proper bleed throughout to make sure no air remains anywhere in the system.

I'll go through the process this week and post an update on the results for future reference.
 
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