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snkr32
Novice
Jan 15, 2010, 5:46 PM
Post #1 of 6
(4159 views)
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hi i have an 2002 explorer and have a wicked vib. tires ok universals jouints ok. anyone guess at the problem. any help greatly app.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jan 15, 2010, 6:04 PM
Post #2 of 6
(4151 views)
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Re: 2002 Explorer vibration
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Is it better or worse with acceleration, cornering - just a certain speed and how did you check U-joints? When a U-joint first fails it doesn't necessarily show looseness - you have to remove the shaft(s) to really know but usually better or worse with acceleration or deceleration at first,
T
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Sidom
Veteran
/ Moderator
Jan 15, 2010, 9:00 PM
Post #3 of 6
(4141 views)
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We're going to need to know at what speeds & conditions the vibration is happening at to even venture a guess...........
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snkr32
Novice
Jan 16, 2010, 5:11 AM
Post #4 of 6
(4139 views)
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Re: 2002 Explorer vibration
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at 40 km it starts.at 80 km its worse.and i just grabbed the driveshaft and tried to move it.seemto be solid
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Jan 16, 2010, 5:52 AM
Post #5 of 6
(4137 views)
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Re: 2002 Explorer vibration
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See if this pic shows........
It's not enough to just check for visual looseness. In pic above you can see where needle bearings have indented the X of the joint. Under load it tries to cross those lumps and can vibrate. If off vehicle the joints should freely/smoothly just drop in both directions
which is impossible to do in place.
Again - when one binds up it will usually be better or worse with loads and then it's suspect. You might visually see some rust staining which is also a clue. Many are tight before they show play which means it's really gone.
Index shaft to attaching area when removing a shaft so you can replace it in same position. You have the symptoms and I don't know of anything other way to verify the real condition without removing to check,
T
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nickwarner
Veteran
/ Moderator
Jan 18, 2010, 9:42 AM
Post #6 of 6
(4122 views)
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your driveshaft could have an imbalance. They shaft is balanced at the factory by welding on weights as needed. Look to see if there is a spot where on used to be and has been broken off. If so, contact a driveshaft company and get it rebalanced
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