Recently my L39 when I drive down the parking lot from my storage area in back has what feels like you are going over a bump but it happens every time one of the rear tires rotates. I don't see anything obviously wrong. It did sit for a little without being used so I thought maybe it was just because it sat in the same position for a bit, but then I aired it up and drove it around and it hasn't stopped. I left it sitting for a few weeks again in a different location and what would be a different position also on and when I drove it a couple of days ago it still felt the same. Again, I can't see anything noticeable. Any ideas?
Wheel/Tire weird bump or something
- Thread starter jakejorgenson
- Start date
Yes, tyres get flat spots when they sit for ages.
My experience is that it gets better over time, but never really 100%. Maximum pressure helps when storing for a long time. Or move the vehicle a few feet every few weeks.
My experience is that it gets better over time, but never really 100%. Maximum pressure helps when storing for a long time. Or move the vehicle a few feet every few weeks.
Russell King
Well-known member
Lifetime Member
Equipment
L185F, Modern Ag Competitor 4’ shredder, Rhino tiller, rear dirt scoop
The conventional way of checking tires for flat spots or separation is to jack wheel a few inches off the ground, place a fixed object off to one side 1/2" from tread then slowly rotate tire by hand to see if 1/2" gap changes.
Very common issue and temperature is a factor. Tires need heat to restore them to round again. Maybe jack up the suspect tire and leave it sit in the sun for a day?
Lil Foot
Well-known member
Lifetime Member
Equipment
1979 B7100DT Gear, Nissan Hanix N150-2 Excavator
My tire guy told me this flat spotting is much more common and more pronounced with older nylon belted tires, and less so with modern tires belted with kevlar, aramid, and even steel belted tires.
I only notice it on my Rhino & Lil Foot, my tractor never sees pavement, so not noticeable.
I only notice it on my Rhino & Lil Foot, my tractor never sees pavement, so not noticeable.
LOL! Rear tires on my old John Deere 2020 are at least 20 years old. After sitting for a while, when I drive down my driveway the tractor noticeable rocks side to side because of the flat spotting. But if I work the tractor hard for an hour or so that all goes away.
And the Deere is at least 50 years old so like us old men it might limp a bit right after getting out of bed. But give it a workout and it's up for anything you can throw at it.
Did I mention I love the 20 series Deere? Best tractor that ever dripped diesel between two tires.
There's several 4020s around here still earning their keep on farms and ranches.