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Discussion Starter · #21 ·
When I bought mine one of the rims was bent and causing my steering wheel to shake! I was really happy when the dealer replaced the $700 rim for free馃榿
The dealer I bought that car from are jerks the car ended up needing a lot of work and when I bought it the car had a cracked rim found out someone put jb weld on it, I ended up going with all new wheels and tires because the one that was cracked was bent also. But still didn鈥檛 fix the issue. I have an appointment next Friday at the dealer they will probably keep the car for a week 馃檮
 

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Just for reference. I Mic'd a set of stock rims (on my balancer) when I was having vibe problems and they were almost dead nuts (mine vibes turned out to be stock tires).
Hence why I bought a second set of stockers, vs some cheaper junk for winter use.

I still get vibes on cold tires that have sat. Many say tires don't flat spot, but that is BS. I have less than a mile and I can be on the highway.
The first couple miles @ freezing or below is a vibe fest over 60, after car sits for couple days in the winter.
 

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Discussion Starter · #25 ·
Yikes. The bent rim makes me wonder if there is some deeper damage to the suspension. Luckily it sounds like its covered by the dealer, best of luck getting all of that sorted out.
I don鈥檛 think it would do that, it wasn鈥檛 noticeable at all and it balanced out perfect, it wasn鈥檛 a huge bend, only noticeable when balancing. But I could be wrong about it damaging another part, lemme tell ya this car has a mind of it鈥檚 own it鈥檚 always had some type of problem since day 1 馃槀
 

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I agree with 19Sport - it鈥檚 a long story but I t-boned a car with my 1994 F250HD at about 50 mph. Tore the front clip off a Chevy Malibu and smashed the front right of my truck. Bent the bottom leaf spring to the ground and punched the front frame horn through the steel bumper. Three weeks later my truck is repaired but more vibration and bump steer than usual (those leaf-sprung TTB trucks had terrible ride quality). Turned out the right front leaf spring rear mounting bracket was folded back all the way to the frame, nearly 2.5 inches! Everything went back together and the truck was aligned within specs but the leaf, shackles, hangers were all at max length so it was basically immovable. Good thing it was summer and I didn鈥檛 put the plow on it. Like I said, how to make a short story long, but just because they can put the parts back together and everything fits doesn鈥檛 mean it鈥檚 right.
 

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The dealer I bought that car from are jerks the car ended up needing a lot of work and when I bought it the car had a cracked rim found out someone put jb weld on it, I ended up going with all new wheels and tires because the one that was cracked was bent also. But still didn鈥檛 fix the issue. I have an appointment next Friday at the dealer they will probably keep the car for a week 馃檮
Did anyone check to see if the brake rotors were bent. You don't know what happened to the car? You can't just visually check them.
 

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Do you have a short commute? I had this to an extent with the factory Good years. Now I got Conti DWS and its still there. balanced twice. BUT after about 5 minutes it goes away. and on one certain point on one certain highway it still happens. I chalk it up to Flat spots, its worse after the car sits in hot weather. Another huge thread about this on here. Some guy said its normal and called tire nibble. I still say flat spots. My buddy with snows for the winter says it doesnt do it on his snow tires. but does on pilot sports really bad until warmed.
 

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Tire brand makes a big difference, Michillen's are smooth no matter how long they sit, or temps. Buy some cheap off brand china junk, and they will feel like dog doo doo all the time. Another thing that will cause tires to feel out of round is tire pressure. I bought some General Altimax's for my 13, so when I got he Sport I threw them on it. I had the morning vibration going, but once I drove it about a mile n half it was good. Issue is the 13 tire sensors are different from the 17's so I haven't had my tire monitor system working. One day I check pressures and find one a bit low. go around set them at 37lbs and no more vibration in the morning. Seem like low 30's will cause it till about 35 36. Guy that runs our office likes to sell cheap tires a lot, and I always tell him they will complain.
 

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I could never run my tires @ 37lbs. I can't even stand them at the stocker pressure of 39. I run mine at 41/42. If they get below 41 I can tell. Especially, when cornering.
 
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I typically follow the tire manufacturers guidance for air pressure, but in relation to the auto manufacturers instructions. So if the tire says 44 max. psi and the car maker says 36 psi, I will start at 40 and watch and measure my tread wear often. I鈥檒l adjust psi upward while observing wear, noise, handling, and ride comfort. After I get to know a certain brand/model of tire and like it, I鈥檒l continue to use it and follow what I鈥檝e learned. I run my Continental DWS 06 tires between 41 to 44 depending on my travel schedule and ambient temps; higher pressures for highway marathons and/or hot weather. I typically get at least the tire manufacturers advertised tread life and I think I do all right on fuel economy too. Ride comfort and noise should be more of a function of the tire design and engineering than air pressure, though not exclusively. But it seems to me that non-premium automakers tend to choose OEM tires based not on prioritizing quality but rather on how much they cost first, unless it鈥檚 a dedicated performance or heavy-duty vehicle.
 

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2017 fusion sport, 401A, Steeda catch can, Steeda CAI, Unleashed 93 oct tune
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Tire brand makes a big difference, Michillen's are smooth no matter how long they sit, or temps. Buy some cheap off brand china junk, and they will feel like dog doo doo all the time. Another thing that will cause tires to feel out of round is tire pressure. I bought some General Altimax's for my 13, so when I got he Sport I threw them on it. I had the morning vibration going, but once I drove it about a mile n half it was good. Issue is the 13 tire sensors are different from the 17's so I haven't had my tire monitor system working. One day I check pressures and find one a bit low. go around set them at 37lbs and no more vibration in the morning. Seem like low 30's will cause it till about 35 36. Guy that runs our office likes to sell cheap tires a lot, and I always tell him they will complain.
Can definitely back up the statement that Michelin鈥檚 are smooth. Put on a set of primacy mxm4鈥檚 back in October and they鈥檙e nice. They perform great in the snow as well!
 

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2017 Fusion Sport, 401A, Driver Assistance Package, 65k miles; 1999 Expedition XLT 5.4 4x4
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Can definitely back up the statement that Michelin鈥檚 are smooth. Put on a set of primacy mxm4鈥檚 back in October and they鈥檙e nice. They perform great in the snow as well!
Not all Michelins are made equal?

Every morning on my way home from work after sitting overnight in 20-30F weather, my Uniroyal's will have a little bit of vibration over 30mph that lasts for maybe a mile. Maybe Michelin uses a different compound for Uniroyals?
 

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Tire Rack has a nice little informational guide on flat-spotted tires on their website 鈥淭ech Center鈥 heading.
 
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Discussion Starter · #38 ·
Do you have a short commute? I had this to an extent with the factory Good years. Now I got Conti DWS and its still there. balanced twice. BUT after about 5 minutes it goes away. and on one certain point on one certain highway it still happens. I chalk it up to Flat spots, its worse after the car sits in hot weather. Another huge thread about this on here. Some guy said its normal and called tire nibble. I still say flat spots. My buddy with snows for the winter says it doesnt do it on his snow tires. but does on pilot sports really bad until warmed.
Sorry for the late response but no I have a decent commute whenever I drive my car I go atleast 20 miles
 

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Discussion Starter · #39 ·
DG any update on this ?
Yes actually, it went into the dealer and come to find out another two of my wheels were bent, so I replaced them. They also found that my differential was grinding so they replaced that and an axle, and they also found my muffler has a crack in it. The car doesn鈥檛 viberate as much as it did but the steering wheel isn鈥檛 100% smooth on the freeway. They also said my rotors need replaced, I also haven鈥檛 fixed the exhaust yet but when I do that I will give another update!
 

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Discussion Starter · #40 ·
Yes actually, it went into the dealer and come to find out another two of my wheels were bent, so I replaced them. They also found that my differential was grinding so they replaced that and an axle, and they also found my muffler has a crack in it. The car doesn鈥檛 viberate as much as it did but the steering wheel isn鈥檛 100% smooth on the freeway. They also said my rotors need replaced, I also haven鈥檛 fixed the exhaust yet but when I do that I will give another update!
It also doesn鈥檛 feel super unstable anymore, it also recently sounds like the rear shock mounts are going soon they are making some noise back there. I鈥檝e taken it in the dealer for that too but they told me everything was fine
 
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