another vibration thread :(

88xtraSR5

New member
Have looked all over the site and still unsure on what to do next... Hate to make this long but here is a run down of what has been going on and what has been done.

Symptom: steering wheel shake and vibration at highway speeds 60 mph+
Replaced: worn rack bushings and rotated tires

Next Symptom: Steering wheel shake and vibration at speeds 70 mph+ and steering wheel jerk when hitting bumbs (just a rough ride)
Replaced: worn out original struts, greased and checked driveline

Next symptom: steering wheel shake and vibration at speeds 70mph+ only while going around curves.
Replaced: both front cv axel's due to both inner boots tearing within a week of each other and changed both axel seals. Also rotated tires once more and checked out my front wheel bearings.

Next symptom: steering wheel shake and vibration at any speed above 60 mph again not matter what you do.
Replaced: lower ball joints, inner & outer tie rods, sway bar end links and bushings and installed a new rack guide.

All this has occured within a 2 month period and now the truck rides smooth no jerking of the steering wheel over bumbs or pot holes, almost no steering wheel shaking or vibration on the highway at any speed...... What is my problem now? When I exceed 70-75mph and let of the gas to slow down the steering wheel shakes and the truck vibrates like crazy until it reaches about 60-65mph. Now this is happeneg while reducing speed on its own without using the brake.
 
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Could be your rear U-joint. Cheap and easy fix.

Mine started out just vibrating under certain circumstances (accelerating around a corner), then it only vibrated at around 60mph. I also had symptoms like your coasting/deceleration vibration. I also got an occasional "clunk" from under the truck. Eventually it just vibrated all the time to the point I couldn't hear the radio.
 
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What tires are you running and how old are they?

I don't see any mention of balancing the wheels and tires.

I had BFG AT KOs that needed a rebalance every 5k. They more aggressive the pattern the harder it is to balance.

I had BFG MTs that would not balance.

Discount Tire could not get mine done on Yokahama HTSs, I took it to Toyota and for $40 it was like a new car.
 
Highly unlikely a bad u joint in the rear shaft will cause the steering wheel to shake.

How long has it been lifted? Did you have it aligned post lift?

Caster angle - Wikipedia, the free encyclopedia

Could be a separated belt in the tire, tire out of round etc. How much weight did it take to balance out the tires? The more weights there are on the wheel, the higher the likelihood that the tire was bad out of the gate,
 
Highly unlikely a bad u joint in the rear shaft will cause the steering wheel to shake.

How long has it been lifted? Did you have it aligned post lift?
Planning on getting an alignment this week, since I just did all that work yesterday. I was able to get the ote's and ite's close to were they before. Have had the lift on it for almost 2 1/2 years.

Could be a separated belt in the tire, tire out of round etc. How much weight did it take to balance out the tires? The more weights there are on the wheel, the higher the likelihood that the tire was bad out of the gate,

Each wheel has around 25grams (.88 of an ounce) of weight on the outside and around 10grams (.35 of an ounce) of weight on the inside. The tires are only two years old and are rotated every 6-7,000 miles. They are 255/85 Maxxis Bighorns, I ran this same type of tire on a extended cab v-6 toyota truck for 45,000 miles with regular rotations and never experinced this problem.
 
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dude i had the same problem you talking about and it drove me crazy...
it turn out to be the BALANCE.. nothing else take my advise and go to a good tire shop that has a Black Hawk machine... our wheels are lugs centric not hup centric.
 
I know this thread has been kinda dead for awhile, but I ended up trying a rebalance of the tires and it fixed the issue completely.
 

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