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Old 05-11-2005, 06:45 PM   #1
faliol
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Thumping sound after installing new rotors and pads..?

Hello,

New here at the forums.

Anyways, my roommate helped me install new rotors and pads on the front for a 2001 ford focus station wagon. It installed fine, but now when stopping there is a thumping/jerking noise when brake. It does not do it when you brake going at a really slow speed like in your driveway, but at a faster speed.

My roommate took the brakes off to check that he did indeed install it right and he said it looked alright. He finally said it might be the anti-lock brakes kicking in for some reason. I hope he did not knock something around. He tried taking some of the brake fluid out, but it still did not help.

Does anyone know what it could be? and fixes for it?

Thanks!

Kevin


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Old 05-12-2005, 12:20 PM   #2
faliol
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Hello again,

I took out the ABS fuse and it is still doing it. So I dont think its the anti brake system...any ideas?

Thanks!
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Old 05-12-2005, 01:25 PM   #3
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Did you clean the rotors with brake cleaner after handling them and were you careful not to handle the braking surface of the pads very much? Greasy dirty hands can screw up a new brake job real quick. Did you do a complete fluid flush and not just the fronts?
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Old 05-12-2005, 01:38 PM   #4
faliol
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Hello,

I am not totally sure, since my roomate put it on. I will ask him if it was clean when he gets home. We did not do a fluid wash, is that easy to do at home?

My roomate just called me and he said he thought the new brake rotors might be warped. Would that cause the brake pedals to pulsate?

THanks!
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Old 05-13-2005, 09:11 AM   #5
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Yes warped rotors will cause a pulsating feel. Brake cleaner comes in an aerasol can for about two bucks a pop. You should never do a brake job with out having some. You should be cleaning everything (old and new) at reassembly including claning and regreasing the slider pins with high temp grease (you did that right?).
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