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installed rebuilt abs module, rear brake fine but vacuum pump just keeps sucking air in front reservoir instead of fluid,I tried left and rt .there is no bleed screws on the module itself so I am bleeding from the calipers, Bruce
2007 rt1200
The GS-911 can do the bleed ABS modulator on the 2007 R1200R (Hi Brian!) - so I would have to believe it could do it on an RT - same system, same brakes.Welcome to the forums. The GS-911 Brian asked about is a diagnostic tool that can be used to read and reset fault codes and activate some maintenance functions. On some models it can be used to reset the service reminder, but I don't think your bike has a reminder. Brian may be thinking that the GS-911 could be used to activate the ABS pump to facilitate getting fluid into the system. I don't recall that function being possible on the 07 RT but I may be wrong. There are some very knowledgeable folks on the hex head forum and one will assuredly be along to help you.
Just for your information, there is an extensive DIY subforum available for the hex heads. It provides excellent how-to advice for all the routine maintenance procedures. The DIY library is at the top of the page when you enter the hex head forum. When you enter the library you will not see any threads. You will see a option drop down box that says "Last Year". Change that to "Beginning" and then click the "Show Threads" box on the right side of the page.
Good Luck!
tried to bleed the master cylinder but just keep getting air bubbles from the fill hole for the piston cup, could the cup be swelled and sticking? or am I overlooking a different problem
The GS-911 can do the bleed ABS modulator on the 2007 R1200R (Hi Brian!) - so I would have to believe it could do it on an RT - same system, same brakes.
That was probably me. It was by the advice long ago given me by Joe Katz (RIP) Master BMW Mechanic and owner of BMW-Orlando. As he said to me "Gravity sucks.." The idea being to let the system sit pressurized overnight and when you release the brake lever in the morning the bubble that finally travelled up the brake lines to the master cylinder burped out the pressure relief hold in the master cylinder. I found it hard to believe until I tried it. I've also used it on cars - with similar success. Go figure!I had my ABS module on my 2008 RT rebuilt by Module Masters and had a bit of a problem getting the fron brake not to be spongy after the reinstall. I searched the problem and someone mentioned to put the bike on the center stand and bungie the brake handle to the pressed position and leave it overnight. I woke up to a perfectly hard front brake the next morning. I didn't believe it either but give it a try....nothing to lose.
Ron
The pressure makes the big bubble tiny so it can move up the hose easily
Rod
Believe it or not the instructions for my brand new vacuum bleeder (made in China) were backwards. they read move the slide back towards handle for vacuum bleeding brakes, which actually was for pressure thus forcing air bubbles into master cylinder. I tried moving the slide forward out of frustration and common sense and had instant vacuum, the brakes were bled in minutes. Thank you all for trying to help! I was hoping the tool was made in America. ugggh!