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Posted 17 November 2011 - 05:46 AM
What can I apply to get rid of the squeakiness? I have heard WD-40 may work?
Posted 17 November 2011 - 08:17 AM
Opinions are like armpits. Everyone has them, some just stink more than others.
Posted 17 November 2011 - 08:31 AM
The calipers mat be standard, but what pad material are you using ?
Life is like a sewer, what you get out of it, depends on what you put into it. (Tom Leahrer)
Posted 17 November 2011 - 08:57 AM
Professionals built the Titanic
"I haven't ridden in cars pulled by cows before" "Bullocks, Mr.Belcher" "No, I haven't, honestly"
Posted 17 November 2011 - 01:59 PM
WD-40 is a lubricant, and your brakes are designed to create friction. Yes, you might eliminate the noise, but you might also increase your stopping distance to something very unsafe.
Just my guess though - haven't tried it.
Posted 17 November 2011 - 11:49 PM
..the Brembo Front calipers use something like pree tension 'steel plate inserts' on the aluminium calipers inside where the pads are placed into, to support the leading edges of the pads, are those still there in your calipers ..?
..the Brembo front calippers also use a pre load flat spring plate to hold the pads in position, this there in the same place where the fixing bolds go along.
..most OEM pads for Brembo calippers do have (as already mentioned before..) some additional (it is a different material than the base plate) type backing plate on the brakepad itself (on the big flat side face, where it is in contact with the calipper pistons) ...what is on your pads ?
(if there is no such thing, and it is just an overall equal steel plate of 3-4mm with the friction material on top, you can of course already use one of those mentioned 'high temperature grease' on the rear face, where the pad is in contact with the pistion ..and on the smaller leading edges of this pad (where it is guided in the 'pat slot') too.. .
But be carefull, don't use to much ..as even the high temperature substances can change viscosity and run off under higher temperatures, and therefore can contaminate the friction surface or 'front face' of the pad (where it is in contact with the brake disc) -always keep this side as clean as possible if you carry out some work there !
..other thing to check:
-is the disc overheated (blue colored), so that it is not centered or does 'run out' bejont factory specification ..? This would create unequal forces under light braking pressure -where the pads do not have full contact, especially with higher running speeds -as the high rpm of the wheel turning around, and therefore the brakedisc too would create an high-frequency sound than.
So check for run out and use some sanding on the main surfaces - the surfaces where the pads have contact with the disc.
(if you are there, you use some extra time to and undo the calippers, after that the disc and check mounting faces on the hub and disc for rust contamination causing outline positions too..!)
...you can 'resurface' / reuse pads with glazing in an easy way -just by rubbing them flat over an concrete workshop floor. But do it only with slight pressure, as on the other way you could damage the pre set surface 'flatness'/ angle of the pad face on the hard and abrasive concrete.
...most quality pads have a 'cut off' edge on the outside ends of the friction side of the pad, and a cut in the middle of the friction face side. reshape the 'cut off' on the edges with a small file, if there is already enough material left, and use a screwdriver, small file or even a saw-blade to clean the cut in the middle (mostly it is covered with dirt and brake dust and not really working as it should on older cars/pads long in use...)
for the rear Brembo it is mainly as written for the front ones -difference is only that the pads have an additional clamping wire type spring that holds them in place (instead of the flat spring plate like in the front caliper)..and this spring is secured by one bold each side. So if this is not there any longer your pads can jump around in the calipper on rough roads ..and maybe even make some more odd knocks or noise/high frequency sounds under light brake pressures.
to name the things if I see them, that's what I call integrity..
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