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Are my calipers binding or not? 700 1991

posted by  darius on  Sun Jul 18 15:06 CST 2004
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last visit: Sat Sep 20 19:24 CST 2014
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I am trying to determine the cause of pulsing in the brake pedal.

My bushings are all good, and I suspect my rotors are warped (or have high and low spots on them from improper brake breakin) but cannot tell if my calipers are binding.

When I try to spin the front wheels, they spin freely, with a little resistance, but when I start the engine, depress the brake pedal and let go, they spin a lot less freely and have to be turned with a bit of effort (not much; they just don't spin freely). How much resistance is normal for Girling jumbo calipers (on my 1991 745 turbo)?

One of the main culprits for warped rotors is binding brakes - does it sound like that is what I have? If so I can replace my calipers. But I hate to chase after a problem by replacing parts only to find out it didn't solve the problem.
--
Darius in Albany NY '86 744 GLE (175K, given to my mother-in-law); '91 745 Turbo (167K-my 'Little Red Wagon')






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New Are my calipers binding or not? [700][1991]
posted by  darius subscriber  on Sun Jul 18 15:06 CST 2004 >


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