2021 Trail Boss squeak / rattle

[Hogfan24]

My Trail Boss has recently developed a squeak ( sounds like a limb rubbing on house window ) it starts around 36-38mph and it sounds more like a rattle when you get up to 60 mph. The noise sounds like it is inside the truck around the rear passenger door or under the seat. I have removed everything out from under the seat and the noise is still there. Has anyone else had this issue?

 

[mrcolieman]

My Trail Boss has recently developed a squeak ( sounds like a limb rubbing on house window ) it starts around 36-38mph and it sounds more like a rattle when you get up to 60 mph. The noise sounds like it is inside the truck around the rear passenger door or under the seat. I have removed everything out from under the seat and the noise is still there. Has anyone else had this issue?

https://static.nhtsa.gov/odi/tsbs/2023/MC-10230604-0001.pdf

If the noise goes away in 4wd it may be associated with the drivers front cv axle explained in this TSB.

 

[Hogfan24]

Update: I went under the truck and found that part of the heat shield was brown off below the rear passenger door allowing the edge of the metal to hit the bottom of the cab going down the road. I secured it with 3M double sided tape. If that doesn’t hold I’ll remove the heat shield but for now the noise is gone.