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front brake pulse

Started by wbeck257, December 02, 2008, 04:27:23 PM

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wbeck257

Oh -- and BTW, I got new pads.
And everything is fine..

Thanks everyone.
2006 Ducati S2R1000, 1974 Honda MT125, 1974 Penton Jackpiner 175, 1972 Yamaha R5

MAXdB

so the new pads really did away with all the pulsing? because if that is the case, I'm replacing mine tomorrow..

♣ McKraut ♣

Quote from: ducpainter on February 20, 2009, 05:22:14 PM
That's not right.

You need a 19mm socket around the outside of the large diameter of the button supporting both the carrier and the blade. Then you hit the button on the back side hard. That will flatten the wave washer and free the button. ..and Scott is absolutely correct. I can't remember how many times I've posted the same link. Correct pad bedding is the single most important aspect of good brake performance.

I don't float rotors to eliminate pulsing, although it will help to mask minor problems. I do it because I think it also improves brake feel.

yeah, that's basically what i was doing...i had the rotor face down on a piece of wood, and the socket on the washer on the back side to attempt to flatten it out.  i think i was doing it right, just not with enough force.
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ducpainter

#33
Quote from: ♣ McKraut ♣ on February 22, 2009, 03:58:40 PM
yeah, that's basically what i was doing...i had the rotor face down on a piece of wood, and the socket on the washer on the back side to attempt to flatten it out.  i think i was doing it right, just not with enough force.
That's wrong.

The socket goes underneath the rotor/carrier.

There need be no wood involved.

The large diameter of the button needs to be in the socket.

You use the force of the small diameter of the button against the washer to flatten it when you hit the button itself on the small diameter.
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Smokescreen

wbeck257, if you've put on new pads, make sure you take some steel wool (med) and rub down your rotors.  If the previous pads were bedded that poorly (probable) they likely left deposits on the rotor, and grooved it a little too.  You can't do anything about the grooving, but you need to clean the rotors up.
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