Front brake Heritage sticks
Dirt don't hurt
Joined: Jan 2011
Posts: 21,065
Likes: 4,561
From: Haslet Texas
Had the cap off when trying to push the piston in.
Caliper looks clean as a whistle, not even brakedust!
The rubber dustseal is as new, when I push it down a bit I can see the sides of the piston and that looks shiney and clean...
Pretty much stumped as to what it can be...
Caliper looks clean as a whistle, not even brakedust!
The rubber dustseal is as new, when I push it down a bit I can see the sides of the piston and that looks shiney and clean...
Pretty much stumped as to what it can be...
To be honest that doesn't mean anything.
The part of the caliper that is having the problem can't be seen unless you take it apart.
You need to either rebuild that caliper or put the 4 pot caliper back on.
Anything else is an effort in futility.
As THC mentioned earlier, there are two kinds of rebuild kits: The ones that include the piston and the ones that don't. The only question here is whether you have more time than money. If you want to get this sorted ASAP and don't mind spending the extra coin, go ahead and order the full kit with the piston. If you're not in a hurry and are on a budget, disassemble the caliper first, get a good look at the piston, and decide which kit to buy from there.
Either way, there's no point in this until you rebuild the caliper.
And as long as you're at this and the brake system is apart, you may as well throw a rebuild kit in the master cylinder as well. "Can't hurt, might help" and all that.
Dirt don't hurt
Joined: Jan 2011
Posts: 21,065
Likes: 4,561
From: Haslet Texas
Unless that has already been done of course.
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Tourer
Joined: Feb 2015
Posts: 296
Likes: 40
From: Holland
Well, with the aid of a C-clamp and brute force I managed to solve the problem!
Seems a passage in the caliper was blocked, works fine now!
Thanks for thinking along with me, I'll soon be back with more tedious questioning!
Seems a passage in the caliper was blocked, works fine now!
Thanks for thinking along with me, I'll soon be back with more tedious questioning!
I gather it was gunked up and you used the clamp to create pressure to force the gunk through the passage?
Who says that's the last of the gunk? The next piece that gets clogged up my not treat you so well.
Seriously, friend, for your safety, rebuild that thing. That means pull it all apart, clean it thoroughly (including spraying brake clean through the passages), the reassemble with fresh rubber parts.
Or don't. It's your ***. But really. Do it.
Who says that's the last of the gunk? The next piece that gets clogged up my not treat you so well.
Seriously, friend, for your safety, rebuild that thing. That means pull it all apart, clean it thoroughly (including spraying brake clean through the passages), the reassemble with fresh rubber parts.
Or don't. It's your ***. But really. Do it.
Road Master
Joined: Nov 2013
Posts: 1,239
Likes: 356
From: virginia
When my master cylinder went out, mine would lock up occasionally. I carried a 5/16 wrench to bleed off pressure at caliper. Front wheel wouldn't move. Tried a rebuild kit, ended up with new master cylinder. Problem solved. Bleed off pressure at caliper, it will move.
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Dirt don't hurt
Joined: Jan 2011
Posts: 21,065
Likes: 4,561
From: Haslet Texas
I gather it was gunked up and you used the clamp to create pressure to force the gunk through the passage?
Who says that's the last of the gunk? The next piece that gets clogged up my not treat you so well.
Seriously, friend, for your safety, rebuild that thing. That means pull it all apart, clean it thoroughly (including spraying brake clean through the passages), the reassemble with fresh rubber parts.
Or don't. It's your ***. But really. Do it.
Who says that's the last of the gunk? The next piece that gets clogged up my not treat you so well.
Seriously, friend, for your safety, rebuild that thing. That means pull it all apart, clean it thoroughly (including spraying brake clean through the passages), the reassemble with fresh rubber parts.
Or don't. It's your ***. But really. Do it.
Elite HDF Member
Joined: Mar 2006
Posts: 3,673
Likes: 606
From:
on my 85 the rear brake caliper started to stick. i had to replace both pistons because they were pitted and the o rings. when i was feeling around on the calipers they were corroded and pitted too. i had some 2000 grit sand paper and polished the inside of the caliper until it was completely smooth. reassembled and they worked great again.
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