Goose impersonator disc brakes

[2manyoranges]

Ah...you linished them. That might be the problem. You should have furgulated them.

But seriously the M596 are good calipers. Malaysian made, mostly, but I have had more problems with XT than the M896 re piston leakage. I think the QC is very good, and only seldom hear of problems.

 

[mattr]

There is the Shimano leaky seal issue.
Alignment of the caliper and facing of the mounts. I've seen all three cause noise and vibration.

 

[2manyoranges]

Right - my goose now flown. Cleaned the disc (goose still in there). Removed pads...not contaminated. Removed adapter. I’ve got clearance problems on the 203 disc despite using a 183 converter from 180 post mount on Manitou Mattocs. This should give clearance but it didn’t, and I had to include two stainless washers into the system. I put them under the mount originally, and when I moved them to the caliper-mount interface, and found I only needed one washer rather than two. Goose gone!

 

[Tootyred]

My goose has gone! Yay. The bike is finally useable in built up areas! I may even ride it!

Just swapped to cheapo clarkes organic pads......£5.98 for both pairs.... all fixed.

The braking seems fine, stops the wheel for endos/ 180s etc and can do skids and wheelie control with the rear.........oh......hang on......just like cantilevers .......

What was all the fuss about discs again?

 

[Moqi]

some shimano calipers had a problem with minor leaks from the transfer ports. See http://blueliquidlabs.com/repairs/solving-that-brake-squeal/ for a possible solution

 

[greencat]

My first experience with disc brakes swore me off them for nearly a decade. No matter what I tried (including several complete replacements of calipers, pads, discs), nothing worked to get rid of the squealing under heavy braking. I strongly suspect it was a frame facing/alignment issue as none of my subsequent bikes have had an issue - except with superstar brand of sintered pads recently (I went back to organic).

I reckon disc brakes fall into the same category as tubeless tyres: absolutely fantastic if everything goes well with set up, but a nightmare if you have to troubleshoot (unlike the traditional alternatives).