I haven't worked on those calipers in a while, but is it possible that the
seals aren't fully seated in the caliper body groove, or that they're somehow
folded the wrong way? They should normally accordion such that they fit flush
or slightly below the piston face.
Good luck,
Theo
> -----Original Message-----
> From: tigers-bounces@autox.team.net [mailto:tigers-
> bounces@autox.team.net] On Behalf Of Stu Brennan
> Sent: June 23, 2011 6:15 PM
> To: Tigers@autox.team.net
> Subject: [Tigers] Brake question
>
> So I'm just finishing up a brake job on the Tiger. All new rubber bits
> in the master, slaves and calipers. I got it all back together and
> bled, no leaks yet. I had to grind down the sides of the pads until
> they fit loosely in the calipers. No surprise there, I've had to do
> this
> on my Subaru, the Buick, etc.. So I know the pads are free vs the
> calipers. But there is still significant drag on the disks when the
> brakes are off. The culprits seem to be the outer seals on the
> pistons.
> They bulge up enough that they are pushing on the new pads, causing the
> drag. The drag is high enough that I suspect that I won't get out of
> town before the disks are glowing red.
>
> Has anyone else encountered this? Does it go away quickly once they
> heat up the first time? Has anyone encountered pads that are too
> thick?
> Any ideas out there? I'll probably drive it for the first time with
> the
> new brakes tomorrow night or Saturday, with a show to go to Sunday...
> And I'd hate to put the old pads back in.
>
> Stu
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