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Join Date: Jul 2003
Location: Portland, OR
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"S" Caliper rebuild question
I disassembled all four "anti-knockback" units from my caliper pistons before I noticed that the little copper sleeve that sits in the back of the unit (the cup with the spring in it) has a groove on one end. As a result, I don't know which end goes into the unit first--the end with the groove or the end without--but I assume it matters or Porsche wouldn't have added the groove. Can anyone help?
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'73 CIS T with a 3.2 on a stand in the corner |
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06-11-2008, 12:03 PM
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Location: Burford, ON, Canada
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search members for Eric_Shea or Bill Verberg and PM for a quicker reply
I remember looking at that myself, but cannot see what difference it makes.
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Keeper of 356, 911, 912 & 914 databases; source for Kardex and CoA-type reports; email for info Researching 356, 911, 912 & 914 Paint codes, Engine #'s and Transmission #'s Addicted since 1975 |
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06-11-2008, 12:29 PM
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I took a look at two I had handy, the groove is only a short slot and both were 'in'.
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Keeper of 356, 911, 912 & 914 databases; source for Kardex and CoA-type reports; email for info Researching 356, 911, 912 & 914 Paint codes, Engine #'s and Transmission #'s Addicted since 1975 |
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06-11-2008, 02:19 PM
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Thanks DJ--I did find Eric's post on the early911S board, and this photo suggests that the groove side is "out" (if we're communicating):
 I have sent Eric ("Neunelfer" on 911S) an email. I'll post if I get confirmation.
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'73 CIS T with a 3.2 on a stand in the corner |
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06-11-2008, 04:41 PM
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For posterity's sake
Eric's answer is that it really doesn't matter. The later units don't even have a groove. If you care anyway, however, put the grooved end in closest to the pad--the opposite orientation of the photo above.
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'73 CIS T with a 3.2 on a stand in the corner |
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06-12-2008, 08:02 PM
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