How big a hammer do I need to free this up ?

[ejfbmw]

Hello all.

My rear brake is stuck. Peddle, and fluids are good. Pistons work fine. What is stuck is the alignment / guide / slide / carrier pin thing that allow for the caliper to "take up" wear on the pads. I think (?) this part should slide freely. The pins have a rubber boot over them.

Anyone else have this happen ... and figured out what to fix ?

[tm1100s]

"How big a hammer do I need to free this up ?"

From Machinery's Handbook:

-Hammer size should always be matched with a properly sized chisel or punch.

[ATA]

You need big'ish flat screwdriver, wiggle inn(between brake pads), then twist/ pray them apart, then pump the brakes back in few times. And do not forget to pump brakes before riding on!
Once you get them working Two hex nuts out- will come out if necessary to take out

[ejfbmw]

I have the 25th edition "Machinery's Handbook".

What page are you on.

[bradzdotcom]

i've enjoyed the coloring-book version of Machinery's Handbook for years.
don't laugh.
it's really hard to stay within the lines.

try it. you'll see.

[tm1100s]

Originally Posted by ejfbmw

I have the 25th edition "Machinery's Handbook".

What page are you on.

Ah, ok, ok, you're getting a bit too technical now.

[signit98]

Originally Posted by bradzdotcom

i've enjoyed the coloring-book version of Machinery's Handbook for years.
don't laugh.
it's really hard to stay within the lines.

try it. you'll see.

Ya have to use those crayons like you mean it, Brad....

[bradzdotcom]

disclaimer: i am in no way sponsored financially nor spiritually by the Crayola company and do not in any way endorse their products, cept to say that the sharpener on the back of the 64 box is a POS.

[wswartzwel]

Why don't the orange crayons taste like orange?

[bradzdotcom]

Originally Posted by wswartzwel

Why don't the orange crayons taste like orange?

i'm not really sure, especially since the white ones definitely taste white.

the book store where i got my special edition also had a lot of other great books, including "Why do some shoes squeak", so i'll betcha they've got a book that answers the centuries old "orange look/orange taste/orange crayon" mystery.

if you're interested, here's the bookstore:

[ejfbmw]

Brakes are fixed and better then ever ! Crud build up between a bushing and pin is the culprit (this pin is sealed with a rubber boot; maybe moisture?) Anyway, based on the expertise of the BMW R1100S / R1200S Tech Forum, the calipers were pryed open with a prybar then closed with a hammer (a soft leather mallet was chosen). The pin not crudded up has a hex nut on it, so this was removed and the caliper came apart. (note: non of this required disturbing the brake line so no pumping and bleeding was required : ) After a thorough cleaning (knife scraping and rag wiping) final assembly was completed using an orange crayola crayon as lubricant. This should be good for another 75,000 miles !

[wswartzwel]

Orange.... Mmmm Yummy.

[Highlander179]

Originally Posted by wswartzwel

Why don't the orange crayons taste like orange?

because of all the asbestos in the factory

LOL, industry insiders joke. its true tho

[bikerfish1100]

apologies for hijacking this thread back onto topic, but here goes: there is some history of that pad pin getting rusty, and causing major grief. a sand down works well.
now, back to your regularly scheduled Crayola HiJack.

[wswartzwel]

"They're Martian cigarettes..... Here try one"