Hello. Just bought new 2008 Suburban with 20inch wheel/tire package and having lots of vibration at highway speeds and sometimes around town. Had dealer balance, replace one tire and then road force balance again with no fix. I hear replacing with better tire might solve balancing issues. Tires are OEM Bridgestone H/L Alenza's and they do not ride good. Any ideas/thoughts?
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Re: Steering wheel & inside vibration issues
Yes...That's probably a 50 or 55 series tire which by the nature of it's short sidewall will give you a "stiff" ride as compared to a more typical 70 series. Verify that the vibration does not come only when you are braking or accelerating. If you vibrate only when cruising then 95%(unofficial stat) of the time it comes from the tire/wheel/balance assembly.
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steering idler sounds like its worn, on the steering you will see a link that goes from the steering arm just before the tracking, looks like a swing, it attaches to the body shell and has a bolt and rubber innards, this dampens down the vibration on the longest arm to the wheel so on right hand drive its on left wheel on left hand drives its on the right side, should not have a lot of play in it but should move left to right depending on steering position. cirb clipping wears them out quicker and so does pot holes in the road.
Hello, I see you may a lot of changes and replaced a lot of parts. We leased an Explorer the same Year as yours. In our case there was a slight noise as well as vibration. The problem was the Front Hub bearings, They were bad at 18000 miles.
There are a few things I want to suggest. The spinning of the wheels on the lift will not load the bearings. A Dyno table can get everything turning with a load on it. As your vehicle is a 4x4, most Dyno's were 2 wheelers. You would have to call to find one for a 4x4.
Next, if the new Hubs do not help, have a look at the rotors. They are also balanced. You can spin balance the Wheel and rotor as a unit with a floor motor. It's not the best way to Balance because tire rotation or even shifting the Wheel on the lugs will UNbalance it. But this method CAN pinpoint a problem if a Balanced tire does not spin true when bolted to the vehicle. You will know the Rotor is off-balance and which axle is causing the problem.
Would be interested to see a Post of what you found.
The vibration and rubbing may be separate issues. There could be many causes for vibration, ranging from low fluid, sticky rack valves, etc., to the tires simply grapping and releasing on the pavement. If it only does it under heavy use, such as when standing still and turning alot, then I suggest not doing that. It is hard on a car to turn the steering wheel when the car is not moving.
This sounds like tie rod ends are going out. Before you remove the old ones, mark on the threads where it currently is seated or you will throw it out of alingment when you put new ones on. You may need to borrow or buy the tool for poping out the tie rod end. They aren't a big deal to change if you have some basic tools and sometimes you don't need the wedge tool either. Once you get the old one out, try moving it around. If it is real loose and moves easily, thats your problem. But the swaying you are describing sound like this is the problem. Could be you steering control arms as well but because the inside of the tires are worn I doubt it.
I had a 2008 Supercrew that had that prob. One of the tires was defective. It balanced ok but at speed would vibrate. The dealer sent me to Discount Tire. They have a machine that will detect problems like yours. I don't remember the name of the machine. Have your dealer take it or send you there. I would think Goodyear would have the same equipment but maybe not. Good luck!