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-   -   brake caliper piston insertion (http://forums.pelicanparts.com/porsche-911-technical-forum/798967-brake-caliper-piston-insertion.html)

glennspiegler 02-28-2014 01:43 PM

brake caliper piston insertion
 
Hello: Am rebuilding my 88 911 calipers. All clean, soaker inner seal in brake fluid, have the lub our host cells, 20 deg angle but cant push piston in. Any techniques for those before me. Press them in?

glennspiegler 02-28-2014 01:58 PM

just got one piston in with more lub less brake fluid.

gtc 02-28-2014 02:00 PM

A press is ok, but if you can't press them in by hand you probably dont have them going in straight.

glennspiegler 02-28-2014 02:07 PM

It is straight. With finger pressure I can piston it in and out about 1-2 mm. Hear a suction in line intake when I do it. It just does not want to pass the seal.

glennspiegler 02-28-2014 02:24 PM

Wiggled back and forth with a vice grip on safe part of pistion while pressing in. It is the outer ring that is the next challenge

BK911 02-28-2014 02:30 PM

I use a c clamp.

glennspiegler 02-28-2014 03:06 PM

that helped. Am now going round and round trying to push outer seal on the rear. Front was easy

mrhaydndownes 02-28-2014 03:38 PM

A c clamp with a socket inside the caliper works well :)

gtc 02-28-2014 03:43 PM

Good tips here from Eric at PMB:

http://forums.pelicanparts.com/porsche-911-technical-forum/689779-rear-brake-rebuild-question.html


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