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Banned
Join Date: Jun 2002
Location: Chapel Hill, NC
Posts: 565
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S brake piston internals
ok the new stainless steel pistons came for my S calipers, any sugestions on switching the internals from the trash pistons into the new pistons
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01-14-2003, 01:22 PM
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Are you refering to the retract rods inside the pistons?
I looked at mine when I had them apart....I could not see any way of removing them. It appears that the rod fits up into the spring assembly and pulls the piston backwards into the caliper when the pressure is released. Good idea. I just dont know how to chnge the system over to the new pistons. Bob
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Bob Hutson |
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01-14-2003, 02:48 PM
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Information Junky
Join Date: Mar 2001
Location: an island, upper left coast, USA
Posts: 73,189
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"retract rods " . . .so *that* is what those are!? Thanks, Bob; that makes total sense. (and here I thought it was just to trap air bubbles
 )As far as the piston side goes, you just take out the cir-clip . . or am I missing something here?
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Everyone you meet knows something you don't. - - - and a whole bunch of crap that is wrong. Disclaimer: the above was 2¢ worth. More information is available as my professional opinion, which is provided for an exorbitant fee. 
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01-14-2003, 03:05 PM
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Banned
Join Date: Jun 2002
Location: Chapel Hill, NC
Posts: 565
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its the movable tube inside the piston i have no idea on how to get it out and dont want to force the situation whithout a clear plan
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01-14-2003, 03:06 PM
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Information Junky
Join Date: Mar 2001
Location: an island, upper left coast, USA
Posts: 73,189
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This is what I see;
 seem you just get in there with some ring pliers.
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Everyone you meet knows something you don't. - - - and a whole bunch of crap that is wrong. Disclaimer: the above was 2¢ worth. More information is available as my professional opinion, which is provided for an exorbitant fee.
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01-14-2003, 03:16 PM
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Registered
Join Date: Jan 2002
Location: Long Beach CA, the sewer by the sea.
Posts: 37,717
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Re: S brake piston internals
Quote:
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01-14-2003, 03:49 PM
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Banned
Join Date: Jun 2002
Location: Chapel Hill, NC
Posts: 565
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i got it thanks for the help, i got mine from Zimms for 29.95 each and lets just say i was more than happy with that price. just finished rebuilding them. The only thing that was a pain in the ass was the dust boot.
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01-14-2003, 04:40 PM
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Registered
Join Date: Feb 2000
Location: Dallas, TX
Posts: 4,612
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I got mine from Z as well. If I had known that Stoddard's came with new internals, I would have gotten them there, but Z is only a 20 minute drive from me.
How much effort did it take to put your pistons back in? Mine would bind so I got a large C-clamp and cranked them in. I hope nothing is wrong with them...
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Neil '73 911S targa |
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01-14-2003, 07:14 PM
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Registered
Join Date: Dec 1999
Location: TX USA
Posts: 9,804
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The 'internals' are retained by an internal snap-ring ... easy change if not rusted solid! It is actually a stack of 'not-so-standard washers' ... so be mindful of the order as you reassemble them in the new piston after cleaning!
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Warren Hall, Jr. 1973 911S Targa ... 'Annie' 1968 340S Barracuda ... 'Rolling Thunder' |
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01-14-2003, 07:21 PM
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Banned
Join Date: Jun 2002
Location: Chapel Hill, NC
Posts: 565
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once i knew how to do it it was pretty easy, it took 5minutes to remove and reinstall in the new piston
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01-15-2003, 07:03 AM
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Harley
