Question about 1998 Oldsmobile Intrigue

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Pulsating drone sound when driving

When driving my 98 Olds Intrigue, I can hear a pulsating drone sound. When I apply the brakes I can feel a pulsating in the brake petal that corresponds to the sound. At first I assumed a bad tire but after rotating the tires around the car and drive testing I did not notice the sound moving as the wheels were changed in position. I then jacked up the car and tried to "wiggle" each wheel to see if there was any play. I found that the front passenger side wheel had some play and then assumed that the wheel hub and bearing needed to be replaced. I replaced the bearing and hub and now the sound has gotten much quieter. The problem is that I can still hear the sound (barely) and the brake still pulsates in correspondence with the sound. Also if another hub/bearing is to blame I can't hear the sound loud enough now to locate the hub/bearing that still needs replacing. Ant advice or possible diagnosis would be appreciated.

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  • n8frog Apr 28, 2010

    In my original post I forgot to mention that I have visually inspected the rotors and have not found any unusual wear. I could not see any warping of the rotors or any grooves in the rotors. Also the brake pads on this vehicle are only a few months old.(according to the old owner, I have just purchased this vehicle a week ago)

  • laureal May 25, 2010

    Any luck with figuring out what the vibration is?

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  • 31 Answers

On that car, it's probably one of the brake rotors, if the wheels are torqued unevenly, or too tight, they warp easily.

Posted on Apr 27, 2010

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