2000 Ford Explorer 4x4, 2 Door - Front End Vibration
My 2000 Ford Explorer Sport started producing a loud vibration in the front end after a long drive on the highway. It sounds like a deep vibration and starts up at very slow speeds, increasing in frequency as I speed up. It gets its loudest around 45-55 MPH and starts to die down between 55-65 MPH (but is still definitely noticeable) and picks back up as I get closer to 70. The sound goes away completely when I take left turns with some speed (when the left side is unloaded from the weight of the vehicle).
I was initially told by a friend that it was most likely the wheel bearings on the front left wheel causing the noise, so we changed out the entire hub assembly for the front left wheel, but that did not solve the problem.
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Re: 2000 Ford Explorer 4x4, 2 Door - Front End Vibration
This is a wheel bearing problem, have first hand knowledge of this because I am a Ford dealer mechanic, the give away to all wheel bearing noise issues is the unloading of the bearing when turning, the unloaded wheel tha gets quite is the one that is defective.
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This vibration can be caused by a number of things, may be in the tires or in the front end or in the drive train, ( transmission,transfer case or the diffirental). I would start with the basics, make sure all tire pressures are equal and tire balancing is good. If there is still a vibration at 60-70 then i would have the front end checked.Check for worn or loose ball joints or worn tie rod ends and other steering suspension components.
Hello, I see you may a lot of changes and replaced a lot of parts. We leased an Explorer the same Year as yours. In our case there was a slight noise as well as vibration. The problem was the Front Hub bearings, They were bad at 18000 miles.
There are a few things I want to suggest. The spinning of the wheels on the lift will not load the bearings. A Dyno table can get everything turning with a load on it. As your vehicle is a 4x4, most Dyno's were 2 wheelers. You would have to call to find one for a 4x4.
Next, if the new Hubs do not help, have a look at the rotors. They are also balanced. You can spin balance the Wheel and rotor as a unit with a floor motor. It's not the best way to Balance because tire rotation or even shifting the Wheel on the lugs will UNbalance it. But this method CAN pinpoint a problem if a Balanced tire does not spin true when bolted to the vehicle. You will know the Rotor is off-balance and which axle is causing the problem.
Would be interested to see a Post of what you found.
sounds more like a ujoint or a center support for the drive shaft. also check and make sure that the flywheel bolts have not come loose. also check the harmonic balancer and make sure it is not seperating