Drive shaft problem

[AU92]

Thanks for the info. The tires were just balanced, but I will look at the u-joints.

[Joe_Black]

Don't overlook the tires because they were just done. The shop could have done them improperly, a balancing weight may have shifted or even slung off. Have them re-check the balance as you don't want to leave any possibility unexplored, and the tires are the easiest to verify.

[wolverinevx]

google pams parts inc or pams auto part they usually have a vx around have a 99 right now that has a lot of pts
good luck

[V12BMW]

I too am experiencing the same thing. it shows up very very little around 50 mph then not again till 82mph threw 85mph, but from 85-90 it quiets down but then from 90-94mph it comes back again? I've had this problem for 30000 miles now it has never gotten worse but i'm sick of it. Any more suggestions joe?

[Hotsauce]

I am chasing the same speed sensitive vibration. I feel it through my feet and not as feedback in the steering wheel.

I know its not tires in my case because I have 2 sets of rims/tires. both have been checked for balance and the rims are straight. I'm also sure its not belt shift.

So far I have replaced the front wheel bearings and seen no change. It feels like its cv joint shaking, but with the wheel jacked up I can't find slop in the joint.

My next step will be to put the truck on 4 jackstands and run it. Hopefully I can see whats shaking.

John C.

[Joe_Black]

My next step will be to put the truck on 4 jackstands and run it. Hopefully I can see whats shaking.

See if you can put it on a lift at a shop rather than the jackstands, that's a sure fire way to get into the next Darwin Award list.

Also, with the suspension dropped to full extension without any load you're radically changing "driving" conditions which may be causing the vibration.

Take some time and a flashlight to visually inspect both driveshafts for damage or the tell-tale sign of missing balance weights. Do the same for your wheels inside and out, and even look at the brake rotors.

[V12BMW]

well I checked the driveshafts and what I think is the u-joint (long u shaped shaft, above the ear axel running the width of the car?) The rear driveshaft is solid as a rock, I was yanking on it, and no give. However, the front shaft will wobble a little bit with just minemal effort. I'm guessing around 1, maybe 2/16 of slop. Is this this the coulpret? Can I clean that slop up myself? Where do I go from here? thanks tom