I have this funky vibration over 20+ mph.. I can feel it through the steering wheel the seats everywhere... If you let off the throttle it goes away.. get back on the throttle it starts vibrating again. I'm thinking u joint. But they all seemed tight but from what i hear they like to sieze.. and it didn't seem to show any signs.. I turned a corner started accelerating and all of a sudden vibration that came out of no where... Please help.. thoughts? Opinions?? Facts? All help is greatfully appreciated!!

Thanks Cole

 

Pull your driveshaft the joints should move freely if they're stiff thats the begining of them going bad.

 

Thank ya sir.. think I could drive 60 miles on em yet without tearing the **** out the transfer case or diffs??

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You wont destroy anything, but its gets me when your driving, they would clunk too if they where bad it doesnt vibrate during idle when you push the throttle does it?

 

Nope just when your driving and you start to notice it at bout 20 mph... I thought it could be a u joint.. but then i checked em they seemed tight.. n I dont think i really noticed it till she started to shake the steering wheel.. n makes the back window rattle like a sob... I'll probably pull drive shaft n replace em both then before winter replace the front drive shaft u joints.. I mean ive been around this kinda thing all my life but today just threw me off guard.. haha any u joint brands yall like the best?? I'm thinking spicer myself

 

They don't clunk till they're really bad, they tighten up first, driving 60 miles at this point shouldn't hurt. Once the get so bad where they clunk and you can grab the driveshaft and move it then you have to worry about them breaking.

 

Alrighty thanks guys! Ya this is pretty annoying.. it feels n sounds like I'm drivin on a really worn down rumble strip.. n its bad at bout 35-50 mph range

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I've also started to hear a faint clicking sound on take off... I'm assuming this from the u joint also??

 

yea a clicking noise can be ujoints or a rock in your tire...

 

It's a U joint most likely

 

Lol it sure ain't no rock.. I might have it pinned to a location now.. replace em all on the drive shaft this weekend and and do the front ones before the snow falls