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Smakaho
Dodge Dakota
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9/25/2002
11:44:51
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 Subject: Oscillating Brakes
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I've had my 99 CC 4x4 3.9l Dak since Feb. I noticed an oscilation in the brakes around 34K mi. I read here that the factory pads are very hard and could cause warpage of the rotors. I went to put on new pads and rotors and found that the fronts had been replaced right before I bought it. I changed them anyway. The problem did not go away so I replaced the rear shoes and turned the drums. This helped, but I still have the problem when braking. It seems to be between about 45-35 mph with moderate brake pressure. Does anyone have any ideas as to what is causing this?
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Chris
Dodge Dakota
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9/25/2002
12:01:19
|  RE: Oscillating Brakes
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So you have all new rotors and pads AND shoes and resurfaced drums and it is still doing it?
Chris
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Smakaho
Dodge Dakota
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9/25/2002
12:05:26
| RE: Oscillating Brakes
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Yes it is, and I replaced all associated hardware and fluids. This all helped, but it is still there. Could it be something in the ABS?
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J-R-M
Dodge Dakota
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9/25/2002
19:08:42
| RE: Oscillating Brakes
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Tell me this do you feal the pulsing in the steering wheel too?
If so and you have replaced all of what you have said you did. I would start looking at the front suspension. Like the Tie-rod ends, ball-joints, Idler-Arm, Pitman-Arm, and maybe bad tires.
Not saying all of that is BAD but one of these items can cause the puls in your brakes.
That's just my guess.
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dragrdan
Dodge Dakota
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9/25/2002
19:35:15
| RE: Oscillating Brakes
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pull the rotors back off and look at the face of the hub(where the rotor sits) and the back side of the rotor. clean off any dirt/rust that may be there. if the rotor cant sit flat on the hub, it will not spin "true" and feel like a warped rotor. I work on vehicles for a living and have seen many new rotors that were not machined correctly, but i would start by making sure there isn't any dirt/rust build up.
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Smakaho
Dodge Dakota
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9/26/2002
07:13:42
| RE: Oscillating Brakes
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I do feel the pulsing in the steering wheel, so I will check out all of the front components. I rotated the tires when I originally did the fronts so I don't think that is it.
I was planning on pulling off the rotors and indexing them this weekend so I will pull them off and check for dirt/rust.
Thanks JRM and dragrdan for your advice.
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