>In a message dated 97-10-01 13:10:22 EDT, vicwhit@octonline.com writes:
><< If your without a grease gun, you can try this method. I've done this on
> non-sticking pistons but it may not work on sticking ones.
> Part the two halves of the caliper (four bolts). Place one half in a
> vice with the inside of the caliper facing up. Remove the retaining ring
> at the base of the dust boot then remove the dust boot. Re-position the
> caliper in the vise so that the top of the piston is just about a 1/16
> to 1/8 inch below the top surface of the vice jaws. Using two flat screw
> drivers, on opposite sides of the piston, pry the piston up by placing
> the end of the screw driver in the lip that retains the dust boot at the
> top of the piston. Use equal pressure on both sides. With a little care,
> you should be able to pry up the piston with little damage to the
> retaining lip which can be filed smooth latter when the piston is out.
> Once the piston moves up, re-postion the caliper lower in the vise and
> begin the next round of prying. You may also want place some kind of
> spacer under the shaft of the screw driver between the top of the vice
> jaw to increase leverage.
> This method does not work as well as the grease gun method but then
> again you won't have a great gob of grease to clean up either.
> >>
>This method does insure that you'll have to take it to Apple or someone else
>for rebuilding though. You will not be able to properly reassemble the
>calipers after you take them apart, so you might as well not mess with things
>and take the calipers in for a rebuild to start with.
Why do you say this Bob, I have stripped several calipers in this way before
with no problems, just make sure you don't loose the O-ring seal.
Rich
|