After reinstalling track pads and rotors, do I need to re-bed them?
I have a set of track pads and rotors that I'm putting back on for the first time. I run ceramic pads and different rotors for the street. Do I have to re-bed these pads and rotors? If I do, should I go through the same process as when they were new?
I wouldn't think rebedding is required if it is the same set of rotors and pads, but I'm not positive.
When I put on rotors/pads I have previously used together, I do not rebed them and have noticed no ill effects.
Whenever I put on new pads or rotors, I do bed them in.
No you do not need to rebed them. Bedding them in is a process of baking out the adhesives and solvents used to make the pads. Once that stuff is gone, you do not need to rebed.
As the others said, no, you do not need to re-bed them as long as the pad and rotor were bedded together previously.
In addition to what mgarfias said, bedding also transfers a small amount of pad compound to the rotor forming a thin 'transfer layer' on the rotor surface.
[quote=No Doubt]As the others said, no, you do not need to re-bed them as long as the pad and rotor were bedded together previously.
QUOTE]
Can you tell me what you Bedding procedure is?
Thanks guys for the responses. They are the same pads and rotors, but the pads were rotated, so the same exact pad is not with the same side of the rotor. I wanted to flip the pads around to get even wear. As long as the pad material and rotor material is the same, I should be fine then, correct?
What if I have to change rotors, but have the same used pads? Should I do some kind of a mini-bedding on the rotors and pads? I think I can get another DE out of my rotors, but my pads might have a few left in them.
If the rotors have set even a couple of days the will build up micro corrosion in the porees and surface of the rotors. I just touch the surface lightly with 3M Scotchbrite when reinstalling them.
If the same type of pads are used you do not have to rebed them unless you put a new set on.
If the brakes squeal it may indicate thay have become unbedded and need to be rebed.
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As long as the pad material and rotor material is the same, I should be fine then, correct?
That's right.
Quote:
What if I have to change rotors, but have the same used pads? Should I do some kind of a mini-bedding on the rotors and pads?
Yes, you will want to re-bed the used pads to the new rotors.
In fact whenever you bed in new pads and/or rotors it's a good idea to do so with used pads on new rotors (assuming you will use that same pad compound) or if new pads then use old rotors that previously had the new pads compound bedded to them before. That is the ideal procedure and of course is not always feasible.
The reason for this is to maintain the same 'transfer layer' of pad compound to the rotor that was there before. This is why you bed pads to rotors in the first place. That is, to transfer a thin layer of pad compound to the rotor surface.
I know the bedding procedure for my pads. I just wondered if there was kind of a way to partially bed them if a full bedding process isn't needed. I guess you either re-bed them or don't. Hope this makes sense.
Anyway.. Thanks so much for the information guys. As always, you guys are the best!
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