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Wheel cupping info

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Old Sep 9, 2008 | 12:30 PM
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From: Luke AFB
Wheel cupping info

So I'm going back and forth with the dealership, they said my "wobble" sound was from a bad wheel bearing, when I came to get the bearing replaced they said the tire was cupped and the bearing was good. So, now I go to look at the tire and it looks fine, so I decide to swap the front to back and see how it rides. When I looked at the rear I noticed it was the one that is more jacked, on the outside tread the front of each groove is turned up. What does this mean? Do I need an alignment? Check the pics and let me know what you guys think. keep in mind, this tire is on the rear, but they guy before me might have rotated them.





Last edited by Spish; Sep 9, 2008 at 01:10 PM. Reason: pics added
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Old Sep 9, 2008 | 12:34 PM
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Definitely get an alignment! Sounds like the guys at the dealership that I spoke to! LOL The factory alignment on the Evo is known to wear out the inside of the tires but shouldn't cause cupping. I got some camber bolts when I got a new set of tires and had a buddy that works at an alignment shop check everything out. I told him to set it up for maximum tire life. He said he put everything as straight up and true as possible. So far no unusual wear! Handling is still pretty good too but I don't autocross my car, just some spirited driving now and then!

Josh
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Old Sep 9, 2008 | 12:57 PM
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From: Luke AFB
Yeah Josh, I was just talking to a buddy of mine that works at the auto hobby shop on base and I'm setting up an appointment ASAP. The tires are in good shape besides the "cupping", I guess I'll have to get new tires and get her aligned and see what happens. I am still going to take it to Mitsu since its still under warranty and have them check all the ball joints, bushings and shocks.
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Old Sep 9, 2008 | 01:10 PM
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From: Luke AFB
Pics added^
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Old Sep 10, 2008 | 08:48 AM
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From: pittsburgh
generally speaking tire cupping is caused by far too low air pressure in the tires.

what kinds of pressures are you running? i have found that i need to go a good 3 - 5 psi above the recommendations on the door of the car depending on the tire.

for example, i used to like to run the OE yokos at 36 all around. anything less and i had issues with cupping.

and alignment couldn't hurt either, but you may be able to solve your problem much faster.
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Old Sep 10, 2008 | 09:03 AM
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From: Luke AFB
I run the press on the door jam, after talking with a mechanic I'm going to start with an alignment, and get new tires. I am going to just put it on jack stands for a while and get the wheels powder coated
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Old Sep 11, 2008 | 04:44 PM
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Toe
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Old Sep 11, 2008 | 08:03 PM
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From: Luke AFB
So I went to the dealership today and they say everything looks fine besides the tires, so I'm going to get new tires and they are going to check the alignment. Avondale Mitsu has redeemed themselves today.
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Old Oct 1, 2008 | 12:13 PM
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Just noticed the inside of my front tires are worn very bad... Will the warranty cover an alignment? I don't think it does? This sucks I can't afford new tires right now and I'm not going to put new ones on without an alignment check at least.
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Old Oct 1, 2008 | 02:23 PM
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From: Luke AFB
Originally Posted by Dinothegreat
Just noticed the inside of my front tires are worn very bad... Will the warranty cover an alignment? I don't think it does? This sucks I can't afford new tires right now and I'm not going to put new ones on without an alignment check at least.
warranty WILL cover the alignment, at least they are for me. i talked to the mechanics at mitsu and they said if i got new tires they would do the alignment under the warranty, all you can do is ask, all they can say is no, and if they do say no you still where your at now.
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Old Oct 1, 2008 | 04:09 PM
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From: north jersey
isnt that feathering...tell them do alignment u get tires tomorow
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Old Oct 2, 2008 | 01:58 AM
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From: Luke AFB
Originally Posted by evo2005mr
isnt that feathering...tell them do alignment u get tires tomorow
Thats what I told the dealership, but they wont do an alignment UNTIL you get new tires because they said it would mess up the reading and not get an accurate alignment.
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Old Oct 2, 2008 | 05:33 AM
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From: north jersey
their just giving you hard time .... it wont affect alignment readings sensors mounted on the rim...but sometimes the car wont go straight with messed up tires after alignment..then they have to do alignment again and they dont get paid to do it twice
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Old Oct 2, 2008 | 01:42 PM
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From: Luke AFB
Originally Posted by evo2005mr
their just giving you hard time .... it wont affect alignment readings sensors mounted on the rim...but sometimes the car wont go straight with messed up tires after alignment..then they have to do alignment again and they dont get paid to do it twice
Yeah, I know that it will still be good regardless, thats just what they told me. I told them I'd just wait until these tires are worn to the wear indicators and get new ones , then come in for the alignment. Or I might just go on base here and get it done for 50 bux now.
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Old Oct 2, 2008 | 07:41 PM
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From: CT
Please remember to post your results after fresh tires and alignment. Curious if your issue goes away.

Thanks
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