Cold weather vibration?

[Frank8]

For weeks its been brutally cold here in Vermont with morning temps negative 22 the other day. It rarely gets above about +5 during the day. My 2016 LR4 (14k mi) is garaged but the garage isn’t heated.

For the past few days I’ve experienced severe front end vibration when I drive between about 55 and 70. After a while it goes away and then runs smooth until the next day.

Any ideas? The first time it happened I thought it might be snow/ice unbalancing the wheels (I’d driven across a snow covered meadow) but the past couple days it shimmied anyway even tho I stayed out of the snow.

Could the tires be getting flat spots overnight?
Or is this a sign of trouble?

Thank you

Frank

 

[colorover]

Almost certainly tires getting flat spots if there is no snow in the wheels. You can increase the pressure in your tires to mitigate it somewhat.

 

[Azoo]

Definately a tire issue. Are they winter tires or all season ?

 

[PaulLR3]

Yes, flat spots. My Nokian winter tires had them after being parked in Maine for a few days. It was -18 with a -35 wind chill. One of my front tires dropped 9 psi from 36 to 27. I presume it was the bead leaking in the frigid temps since it hasn't lost a pound now that I'm back in +0 temps.

 

[Frank8]

Whew!

Thanks, guys. I’ll check pressure once extreme cold moderates.
Tires are winter tires.

Frank