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'98 Expy front brakes problem

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Old Aug 10, 2010 | 07:39 AM
  #1  
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'98 Expy front brakes problem

When I'm going around 30 or more and step on the brakes, the pedal seems to "pulse" or "throb" - kind of like a pushback cycle - up, down, up down, etc. and the front end seems to wobble/shake. I thought it may have been air trapped in the system and I replaced all of the bleeder valves because they were worn and rusty, bled all of the brakes - front and rear, but I'm still getting the problem. Any ideas?
 
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Old Aug 10, 2010 | 08:25 AM
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The brake rotors are warped.
 
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Old Aug 10, 2010 | 07:59 PM
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Yes I agree with alloro . I can't think of any thing else that would cause that .
 
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Old Aug 10, 2010 | 08:42 PM
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pulsing brakes

Make sure the lug nuts are not loose; Had my tires rotated recently and the lug nuts were so lose i"m luckuy i didnt lose a wheel.
 
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Old Aug 10, 2010 | 09:39 PM
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Welcome to the warped rotors that mine loves to always get. Mine seem to love to warp no matter what brand of rotor I've had installed on them. I think it's just one of the things the expedition is prone to do. Get new ones and that pulsating will disappear. good luck
 
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Old Aug 10, 2010 | 09:58 PM
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Originally Posted by Phil056
Welcome to the warped rotors that mine loves to always get.
Do you ride with your foot on the brake pedal? Most people that do end up with a lot of warped rotor because of the intense heat riding the brake creates.
 
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Old Aug 11, 2010 | 07:22 AM
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I drive mine in the mountains and do not have a problem warping rotors. I do not think it is an "Expedition problem" either.
 
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Old Aug 13, 2010 | 07:51 AM
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Thanks for your help. I ordered Raybestos rotors and they should be coming in soon.
 
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