Front Brake Pad Replacement/Bleed

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Mogan

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I just got done replacing my front pads. I had to bleed a bit of fluid out of each side given that the new pads were thicker than the old. I topped up the fluid resevoir (maybe too much?) and proceeded to seat/run-in the new pads.

The brakes work fine, but they're definitely spongy and have more lever play than before. Do I have air in my lines? How best to fix this?

 
Spong = air in lines. If you have ABS you may need to use the brakes brake a few times hard enough to get the ABSto work so that the air in the ABS system get pushed out into the brake lines.

Also, new pads need to be seated before they will perform properly. There are differences of opinion on how to break pads in, but the basic idea is to get the surface of the pads to wear slightly against the rotors so they match well with the imperfections in the surface of the rotors, then heat them up to form a hard surface on the pads.

 
Last edited by a moderator:
Spong = air in lines. If you have ABS you may need to use the brakes brake a few times hard enough to get the ABSto work so that the air in the ABS system get pushed out into the brake lines.
Also, new pads need to be seated before they will perform properly. There are differences of opinion on how to break pads in, but the basic idea is to get the surface of the pads to wear slightly against the rotors so they match well with the imperfections in the surface of the rotors, then heat them up to form a hard surface on the pads.

Yep, ran them in with the 35-10 method about two dozen times. Pads are in good shape. I'm fairly certain I just need to properly bleed the air out of my lines and I'm not sure how to do that...

 
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