What's causing the "thumping"noise when driving my 07 Jeep Wrangler over 60mph?

[Steven 555]

This only happens with the a/c on, and windows up. It's exactly the same pressure/noise you get when you have a back window partially down, when driving any 4 door vehicle.

 

[jennypoo]

if you have radial tires one of the belts may be broken

 

[jennypoo]

if you have radial tires one of the belts may be broken

 

[jennypoo]

if you have radial tires one of the belts may be broken

 

[jennypoo]

if you have radial tires one of the belts may be broken