Vibrating Passenger Seat Mod!

2016 TRD Sport DCLB. Basically stock. 74450 miles. Speed: 70-80 mph.

Okay, so this one has me a little puzzled. Driving home from work today (same roads, same speeds everyday) while listening to music I heard something vibrating. Turned down my music, and look in the direction of the noise and can clearly see my passenger seat vibrating. Immediately thought "that's odd".

I start to blame tire balance. Maybe I threw a weight? But there are no vibrations in the steering wheel, drivers seat, pedal, center console, dash, door, rear seat, or anywhere! Only in the passenger seat. Truck seems to be riding smoothly down the road like normal.
I made sure the seat was locked into place on its slide. When I stopped, I tried shaking the seat to see if I could feel any play. I finger checked the bolts to make sure nothing was backing out. All seems good!

Any ideas what's going on?

I have about 550 miles before I rotate, balance, and check alignment. I dont think those will solve my issue though.

 

Mine does it too at highway speeds. Very annoying but I’ve learned to just ignore it.

 

my 2011 did this, my 2017 does this....

 

Funny you posted this...started wondering why the gf always wants me to drive...

 

My 2019 does it. I stuffed a wash cloth between the seat and the center console.

 

Okay, so this is normal. Strange I didnt notice it until now

 

Harmonics; hard to fix. Is it the same with the seat fully back?

 

Taco Bell burrito supreme for lunch?

 

My seats are always fully back! I'm 6'2 and I cant stand it when the passenger seat is pushed forward. Constantly catches my attention from the corner of my eye and drives me crazy.

Not me, but maybe the ghost sitting in my passenger seat!

 

If you don't have a lot of passengers, try sliding the base of the passenger seat forward a ways and tilt back the backrest so it is back by the B pillar. My seats are usually further forward and I don't really see vibration.

 

I'll give that a shot, thanks!

 

Tell your passengers to sit back and enjoy.....

 

Haha will do

 

Anyone ever find a solution for the seat shaking? Driving me nuts

 

I have leather so it's crazy annoying when it rubs against the center console. I know if you stick something in between the console and the side seat back it stop the noise. I was thinking of unzipping the seat back and stuffing something thin in between that area to solve this noise.

I'll report back once I get the chance...aka after I caulk/paint my entire house in a couple months haha.

 

That was the only thing that worked in my 2013. I don't notice it as much in my 2016, but I've got the seat much more forward due to the baby seat.

 

Mine does this, 2019. It also will sometime not lock into place on the seat slide, in which case it will make a loud, startling clunk if you hit a bump.

 

Came to read about a low profile sub installation underneath the passenger seat. Leaving disappointed and confused.

 

The driver's seat in my dad's 2018 GMC Yukon SLT vibrates if you leave your lane or come close to hitting something...

Perhaps it's a safety feature of some sort?