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Because the brake shop used an air impact wrench to install the wheels. Incorrect or mismatched torque on the wheel lug nuts will warp the stock flimsy rotors. Either, have the shop manually torque the wheels and/or install higher quality rotors. Once the damage is done you can't undo it without machining the rotors or replacing them. Machining flimsy rotors just makes them easier to warp next time Are you sure that your pulsation is coming the front brake rotors.Test drive your vehicle in large parking lot where there are no cars or very few cars.Do not exceed 10 mph.Gently engage the parking brake without applying the brake pedal.If you feel a pulsation,your problem is in the rear.Machine or replace the brake drums/rotors and shoes/pads.If the pulsation can be felt in the steering wheel,remove wheels,remove calipers and brake rotors.Check for rust on the wheel hub(this is the area directly behind rotor where wheel studs are located).If rust exist remove with wire brush.Next check guide pins.These should move with minimal effort using your hand.If there is no problem with rust or frozen guide pins,measure rotors,machine or replace if not within specs. and replace pads.If you are using a air operated impact wrench use a toque stick with least amount toqure.The next step is very important USE A TORQUE WRENCH.You can borreow one from most major part store chain such AutoZone and O'Reilly.Please me know if this solves your problem.

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โˆ™ 2005-03-17 03:51:28
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Q: Why do the front brakes pulsate on a 1995 Toyota Camry after changing the rotors and pads?
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Related Questions

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The front rotors are out of round or warped, Need to have the rotors turned.

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Rotors out of round and need to be replaced or resurfaced?

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Warped rotors. Driving using the left foot to brake causes the rotors to heat up. Quenching the hot rotors by driving thru water will cause them to warp. The warped rotors cause the pedal to pulsate.

What are the signs that the rotors in a 2000 Toyota 4runner need changing?

If you're changing the brake pads and there is too little rotor thikness to turn it, it should be replaced. If the rotor is warped and is too thin to be able to turn to remove the warping, replace it. If the brakes "pulsate" when you use moderate brake pressure, the rotor is warped.

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For the brakes, check for warped rotors. For the turning, check for worn CV joints.

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Your car shakes some times when slowing down?

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Why does your jeep's rear shudder when you brake?

I think it is because your rotors are worn out. I had the front shudder real bad and the pedal and steering wheel would pulsate when I braked. Then I put on brand new rotors and pads on the front and no more shuddering or pulsating...brakes like a dream now

Is 870 dollars a good price to fix front brakes on a 2004 Toyota Sienna XLE including changing rotors?

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Why are your disk brakes still grind after they were changedit's a 2002 Dodge ram 1500?

if there is uneven wear on the rotors, the new pads will take time to wear into the grooves on the rotors. rotors in poor condition will reduce the efficiency of your brakes, and promote wear of the pads, you will end up changing them more often. Most brake shops can turn rotors back to being smooth and true.

Do you have to replace rotors when changing brakes?

Most of the time, you can get by with just replacing the pads. The rotors generally do not need to be turned if there is no pedal pulsation or vibration. Rotors will need to be replaced if the exceed the minimum thickness which is stamped on the web (area with lug holes).

2002 Toyota siena problem with brakes when i apply the brakes it feels like the wheels are shaking?

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Have the front rotors turned on a lathe at a dealership. check brakes and rotors

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