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brake calipers 101

To: british-cars@autox.team.net
Subject: brake calipers 101
From: "Eric L. Christensen" <echrist1@firefly.prairienet.org>
Date: Sat, 6 Aug 1994 18:58:06 -0500 (CDT)
    Perhaps the more experienced of you may have some advice for a novice 
in this matter:
     I had been noticing for a while now a certain amount of give on the 
brakes of my B, combined with a little drift to the left. Upon removing 
the left front tire (the RF caliper was just replaced, so I assumed no 
trouble there), I found the pads virtually flush with the rotor--in 
fact, the engine side pad _is_ flush and the outward side will barely 
allow the thickness of a piece of paper. Which brings me to the first 
question: how much piston movement should one normally see in these 
situations? 
     I then tried spinning the rotor, which rotated 2/5 to 1/2 the way 
around before halting, and some small effort was required to get it past 
this rough area. I am assuming that this is a problem with the rotor 
itself, which should be remedied by machining/cleaning, but is there a 
chance that a faulty caliper might account for it?
     Finally, if I should resort to replacing the caliper, I have heard 
that there are rebuild kits available. Assuming I can find one, I still 
have no experience in this matter. Might anyone have advice or references 
on how to go about this? 
     Thanks in advance for any advice...

       *** Eric Christensen ***                          
        Senior, Middle Eastern Studies                       _O_
        University of Illinois                                |<
        email: echrist@uxa.cso.uiuc.edu                            
                                                                     




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