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Bad Vibrations

ttavano

Member
Joined
September 11, 2008
Messages
11
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0
City, State
NY
Year, Model & Trim Level
2000 XLS
Hello all, I have a 2000 Explorer XLS, 4WD and recently have developed a pretty bad vibration starting at 30 mph and continuing hard up through 45 mph, then over 45 up to at least 65mph the vibration changes to a more high frequency type of vibration, sort of feels like driving over the grooves on the thruway. I feel it mostly in the gas pedal and the steering wheel, but the whole truck shakes. It happens mainly when accelerating but at the higher speeds I can still feel the vibes. Don't relly feel vibes when truck decelerating. The truck has 108,000 miles on it and nothing in the suspension(other than shocks) has been changed. I just put new front brakes on. There doesn't seem to be any play in the 12 and 6:00 positions in each of the front wheels. There is a very small play in the 3 and 9:00 positions on both fronts. The rear driveshaft is tight as can be, no play at all. No difference in vibes with 4WD on. I did notice on the front driveshaft, near the transfer case, a shiny rectangular area about 0.5" by 2.5" with no rust, rest of driveshaft rusty. Had the tires balance but still vibrates. I hope I gave enough information on this problem, but I really need to fix this. I think I can handle the mechanical work. Thanks.
 



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Anybody? I really need some help on this.
 






Bump.

Anybody?
 






I did notice on the front driveshaft, near the transfer case, a shiny rectangular area about 0.5" by 2.5" with no rust, rest of driveshaft rusty.

Could have thrown a weight off the driveshaft - remove the front driveshaft and see if the problem goes away.
 






Thanks, I'll try that tomorrow nite. It crossed my mind but I didn't realize the front driveshaft would turn enough in 2WD to cause a vibration so severe.
 






I removed the 6 bolts on the CV side of the DS and three of the Torx screws on the U-joint side of the DS and then the torx bit broke :mad: in the fourth screw. Tried to drill it out, grab it with a socket, all without luck. Are there any tricks to getting this last bolt out.
 






thinking
 






Bump.
 






grind off the head of the bolt, then you might be able to remove it with a pencil eraser or an easy out.
 






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