Changing 1200 Brake Pads

gsman1

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Spoke to my local dealer the other day, in discussion we talked about DIY changing of pads. Mechanic warned me that you must push the pistons back very very slowly, with fingers not with pliars.If pistons go back too quickly, the super clever electonic brain thinks that the brake seals have failed which causes all sorts of problems.

You have been warned.
 
I was warned in a similar fashion. Except I was told that forcing the pistons back in too fast can actually damage the ABS pump, which is aparently quite expensive.
 
try this

How about ..you get some brake hose clamps. Seal off the hoses crack the bleed nipples ease the pistons back in nip up the nipples pads in pump the brakes...top up the fluid.
 
Re: try this

Straypuss said:
How about ..you get some brake hose clamps. Seal off the hoses crack the bleed nipples ease the pistons back in nip up the nipples pads in pump the brakes...top up the fluid.
Might not be a good idea with the braided hoses that are standard on the 1200.
 
Clamping the hoses will also make it very hard to push the pistons back - where will the displaced fluid go?
 
Had my front pads out twice without a problem, to try and stop them squealing. It's easy enough to pull each pad by hand into the piston once you've removed the bolt and spring clip.

BMW have acknowledged a problem with squealing brakes under medium braking. They're working on a fix - different pad compound? In the meantime advice is to apply brake grease and chamfer the leading and trailing edges of the pads.
 
suarvharv said:
Had my front pads out twice without a problem, to try and stop them squealing. It's easy enough to pull each pad by hand into the piston once you've removed the bolt and spring clip.

BMW have acknowledged a problem with squealing brakes under medium braking. They're working on a fix - different pad compound? In the meantime advice is to apply brake grease and chamfer the leading and trailing edges of the pads.

The pads or the backing plates?
 
Had to think what you meant there for a sec. But I believe the advice is to chamfer the pads. Which is the standard advice for any disc brake that's squealing. Haven't tried mine yet since doing it so can't say if it's been successful.
 
Ok, thanks! I may give that a try. The minor squeeling doesn't bother me a whole lot, but it would be better if they were silent. I have to replace my rear pads soon (13,000 miles - keep an eye on those rear pads - I almost never use my rear brake pedal but the linked system must put a fair amount of pressure back there for them to go this soon) so will look at it then...
 


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