Rear Caliper stuck support rods

Pressurised · Jul 22, 2020

Trying to put some new pads on my rear calipers but it seems to be completely stuck on the support pins. Trying to pump them out but they just arent budging. Am I missing something? There is so much difference between the new and old pads that theres not enough cap between caliper support and the outer pad for the disc to even fit through.

TLDR: caliper is stuck together on the sliding rods how can I seperate it?!

Thanks

Taffy · Jul 22, 2020

with the pads pushing the pistons out of site that is all the width you can get. the pins get jammed. one you can hit but not the other. one of them goes right through the body into a teet. using penetrating fluid and anything you can, work it all apart.

have a look inside afterwards, sometimes they've been so bad for so long that the floating rod has worn an elongated hole....not good.

the pads may be the right shape but they can also be the wrong thickness. its a little known fact but manufacturers make pads in 2-3 thicknesses. yours may be just too thick.

I do a kit from Brembo that repairs those teets etc. another I do does the same job and has new pad pin and R clip as well as piston O rings etc.

cheers

Taffy

Pressurised · Jul 22, 2020

Thanks Taffy, I will have another go at it tomorrow with a fresh head! I ordered the specific oem pads from a ktm dealer, but will double check the item numbers incase a mistake was made somewhere along the line.

Pressurised · Jul 23, 2020

Drowned it in GT85, shredded the rubber cup, only managed to move it together a bit with a G clamp. Need to figure out some kind of reversed clamp to pry it apart. The rod that sticking is the one fixed to the caliper that slides into the support bracket.

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Rear Caliper stuck support rods

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Taffy

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