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Rear brake pads gl1200

3943 Views 10 Replies 6 Participants Last post by  Fastymz
I just replaced the rear brake pads on 1984 gl1200. I used factory pads, I had to compress the pistons a lot in order to fit the pads. I got it all installed bleed the bakes, now the wheel is very hard to turn and the caliper has zero play? I took it for a short ride around the block the rear brakes are rubbing the entire and when I returned they were very hot. I couldnt move the rear tire by hand at all !
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First, make sure you put everything back together correctly.
If it's right, try bleeding again. Start with the front.
You may have a plugged return hole in the master cylinder. Do a forum search to find out how to clear it.
also possible that your calipers pucks are "frozen" in the bores and need seal replacement and cleanup of the pucks which is not an expensive or hard process to do
Bleed the right front first then rear correct?
that's correct but if you didn't do it correctly you'd be more apt to have poor braking
Did you check that the sleeve in the caliper that the 8mm bolt goes through moves freely?

If that sleeve is frozen in the caliper it will put pressure on the now thicker inboard pad.
Parts move okay it had a lot of play before I changed the pads. The new pads are twice as think as the old pads. Step on the rear brake and the tire is solid let off the brake and the rear tire can be moved by hand but it takes a lot of effort. So at least I know its moving in and out a little bit? Any chance they just need to seat or wear in a little ?
Well I did what I should have done the FIRST time. I pulled them back off and rebuilt the calipers. used 2000 grit sand paper to make the pistons smooth again. Cleans and lubed everything. Replaced the bleeder valve too. Now guess what they grab and release just like it was meant too. Thanks for all the help this is great forum. Ron
its all about spending the time, and then reaping the rewards
On a bike that old, I would rebuild the caliper when replacing the pads anyway, unless you have recently done it. They do get gunked up and corroded over time. That bike is actually considered an antique, so it is going to have more than regular maintenance issues. As for bleeding, I use Speedbleeders, and there is nothing to it. You can bleed the front and rear at the same time if you want. just keep fluid in the master cylinder and keep pumping. I pumped almost a qt. of fluid through mine before closing the bleeder screws, just to flush it out good.
Eventually most every thing will be new or rebuilt. No reason to stop now my wife loves the bike and it fits us well. After paying to much for it I need to stop thinking about any return on investment. BTW my 1986 vfr has 40000 miles on it and hasn't needed any of work, rebuilds or repairs the Goldwing has, but I know its more about how something is taken care before I got it.
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