Are the Sierra rear calipers rebuildable at home?

I need to change the only need to change the dust seal really. Anyone done it?

Hi,

Yes done it a couple of times, stick them in a vice, and unscrew the piston with a pair of maul grips. When you screw the piston back in after I found a little tap with hammer and block of wood help if the pads dont don't quite go over the disc

Regards jon

the older versions of the sierra Haynes manuals have detailed instructions - the newer versions just say buy replacement ones....

Yeah just doing dust seal will be pretty straight forward.

I stripped mine fully,doable but some small fiddly circlip's holding in the handbrake mech.

As kev says, the piston seals are straightforward but taking the handbrake mechanism apart is a right pain. Well, taking it apart was fine bit it took me most of an afternoon to put it back together again.

When I was replacing the pads on the back end of my xR4x4i, rust had stuck the dust seals to the pistons. I was using wind-back tool, didn't realise they'd stuck and the seals tore - its probably a good idea to put some red rubber grease in the piston seal groove when reassembling to stop them sticking? (I greased them, I remember it being a right pig of a job to get the new dust seal into the caliper body with the piston in place)