Flat spot after sitting

[Area51BS]

Anyone else’s Bronco seem like the tires developed a flat spot after sitting a week? Goes away after driving awhile. K02s. Worse than normal today as morning temps were near freezing in FL. That’s why I ask about flat spot. Worse than every other week it sits.

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[CitrusBronco]

I’m in central FL been in upper teens low twenties past few nights. Stock Goodyear mt. No frozen flat spots.
Maybe if your running low 30’s psi you might bring them up near 40psi until after the cold spell. Maybe that will help.
Bfg ko2 on my f250 never had that issue even living in CO. But psi was much higher so that might be the difference.

 

[Area51BS]

Crossed my mind that it’s the road I leave from once a week and it was very cold making tires stiff over the bumps. Maybe that’s why it’s more pronounced. It was excessive today.

 

[Brronco23]

I live in Michigan, and this can be fairly pronounced at times. Sometimes it takes several miles for the humping to go away.

“Tires become lumpy, or develop "flat spots," after sitting in cold weather because the rubber stiffens and the air pressure drops, causing the weight of the vehicle to deform the tire where it touches the ground. This temporary "flat spotting" is exacerbated by freezing temperatures, which make the rubber less flexible, often causing a thumping sensation while driving until the tires warm up and regain their round shape. “

 

[kodiakisland]

Wait, rubber gets hard in cold weather?

 

[Glade Runner]

Wait, rubber gets hard in cold weather?

 

[battering ram]

I store my performance cars all winter 5 months

I get slight flat spots that’s noticeable over 55mph for a few minutes

my Bronco sits 1-2 weeks all the time. Never felt any flat spots. Seems very strange

 

[totaljustice]

Welcome to living in cold weather. Yes it's common and yes it goes away once the tire heats up from driving it. It's normal with a drop in temperature and long periods of sitting.

 

[Area51BS]

Didn’t notice it today with temps back in the 70’s and driving back to back days.

 

[Overcooked]

Just to give you a data point that my wildtrak has been sitting for 2 months, took her out for a trip this morning and there's no flat spot, stock SAS tires with 8000 miles on them. Temperature is around 50f

 

[Area51BS]

I went out today. Same road. There are bumps. Almost like tiny washboard bumps far apart. It was just so pronounced on a very cold morning compared to our normal temps. Tires must have been just a little harder due to low temp.

 

[TacosTuesday]

haven't experienced this yet on my '23 with stock Goodyear's. i often leave it parked for a week or 2 at a time too.

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