My steer tires are wearing strange. The inner rib of the left is worn down, and the outside of the right is the same. The odd thing is only half the circumference of each tire is like this, and the other half is in good shape. It causes a pretty good wobble in the front end over 50mph. The kingpins are tight as are all the steering components. Supposed to take it to get the alignment checked tomorrow morning. Already put new shocks on, but the old ones seemed fine. Any thoughts?
Odd steer tire wear, wobble in the front end over 50mph?
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Gumper, Feb 8, 2019.
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Pictures of those tires please. Normally caused by rear axle alignment problems.
wore out Thanks this. -
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All tires are over 100 psi. Ok it’s hard to tell with these, but the first one is the wear on the inner drive from the front drives. Both tires look like this. The snow is packed in the divots on the right side of the tire which is the inside.
This is the drivers side. 180 degrees aren’t worn, the opposite side is almost to the cords.
Passenger side with the outside half worn. Not as bad as the other side, but still significant.
BoxCarKidd and Oxbow Thank this. -
I have fought the same wear pattern on my fleet for most of my career!!! The best results I’ve found have been:
1. Retorque all wheelbearings
2. Check suspension bushings repair if needed, 3 axle alignment.
3. Make sure your steer tires are mounted with dry air, with 10 or 12 oz of balancing compound.
4. Changing from a narrow tire to one with. Wider footprint.
I’ve made these updates through my fleet in this order. So far I’ve kept this type of wear to a minimum. But every time I seem to get it figured out, it comes back.Diesel Dave and Gumper Thank this. -
We had to up grade the last AG 100 here. It had some worn out threaded bolt looking connectors on both sides between the drive tires. Told they are not available.
Check the other bushings and wheel bearings as mentioned. -
How long have you had those tires?
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1) Get a true 3-axle alignment from a reputable shop that actually adjusts the suspension and steering components and not just “says” it checked out ok. Tell them you want a print-out of the readings before & after and ask what they adjusted.
2) Get yourself a set of Centramatic wheel balancers for the front axle. A set of 2 (1 for each side) will run about $200 and are worth every penny and then some.
3) Issues solved.BigCam9670 Thanks this. -
I used to have the same problems on my steers until I installed Centramatics on, now the steers wear as smooth as glass.
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