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Tires are cupping...but from what?

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12K views 11 replies 9 participants last post by  Mike the Carpenter  
#1 ·
03 2500HD 280k, tires are starting to cup worse, what do you think is the worn out part?
Im planning on doing a front end in the next month or two but seeing the difference in tire wear lately i think thats gonna have to happen sooner!

Only work done was I just changed the front drivers wheel hub as it was starting to get noisy
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Discussion starter · #4 ·
19trax95 said:
Alignment good?

Check for any play you may have. Jack up on the lower controls arm and try and move the wheel up and down, side to side, etc. You should have zero play.

If you do, then have someone move the wheel and look to see where the play is coming from. Balljoints are fairly common once you get up there in miles.

But cupping can also be caused by bad shocks. As can unbalanced tires and nuat plain cheap tires.

Also what is your tire rotation schedule?
I have some play in the tie tod, i am also getting a creaking sound when leaving and coming to a stop, i suspect worn control arm bushings. The tires are max milers and are in great shape, mounted them 2 years ago and only when 10k lol.
Ive got the passengers side hun, inner and outer tie rods, UCA, LCA bushings and ball joints, steering damper, stabilizer bar link and bushings, idler arm and bracket and finally pitman arm.

Anything you guys think im missing on this list?
Aside from possibly shock absorbers?

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