Stuck rear calipers

[Kneale Brownson]

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I've used a large C-clamp to apply pressure to the piston while turning
with water pump pliers (careful not to pinch the rubber boot with pliers
teeth--guaranteed to cause tears and tears).  Opening the bleeder sometimes
makes compressing with the C-clamp easier.  Usually, if you get it turning,
you can just keep turning.  Can't say enough about how much easier moving
the piston back in is
with:  http://www.thetoolwarehouse.net/shop/LIS-25000.html


At 10:52 AM 10/11/2002 -0400, Jagernauth, Stephen, RTLSL wrote:

>Searching the archives, I found little on this subject.  Did a Google
>search on the mother list as well.
>I'm replacing rear rotors/pads since they are down to minimum.  I'm
>changing fluid and fixing stuck e-brake cable/rusted shaft
>as well.   (Just got done with suspension bushings).
>Pistons will not retract at all, I don't have a special tool to fit into
>the piston grooves.  15" Channel Lock is doing nothing.
>Caliper rebuild time?   I can take the calipers off and stick in the vise
>if that will help.  Do I need to crack bleeder valve to
>relieve pressure, never had to do that so I suspect calipers are really
>frozen.   Need to pass inspection so I can get 20V
>back on the road and tuck the 28 year old daily-driver 911 into garage for
>winter.
>If I have to rebuild calipers, do I need special tool to get them
>out?  Home-brew solution?
>
>Advice welcome.
>
>Steve Jagernauth - Easton, PA
>'91 200q20v
>'74 911/3.0 Targa - street
>'74 911/3.2L coupe - track
>'93 GMC Sub - wife's/tow
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