On the freeway I was going 60+ and my shifter started to shake.

Trans mount?
Warped rotors?

 

if its during braking then its rotors

if not check the trans mount first, i would also look at the engine mounts if the trans mount looks good

if you notice the steering wheel shaking too then you might want to look at the steering rack bushings (mine first started shaking at 60mph when they were failing)

 

Actually if i remember correct there is a rubber connector piece, somewhat of a bushing somewhere on the driveline that causes the shifter shake when it starts to go, let me see if i can dig up the old threads of people fixing it.

https://www.clublexus.com/forums/per...aft-bolts.html

20 seconds o searching proved useful there it is

 

That would be helpful sj408

I recently replaced my driveshaft support bearing hoping it would go away

 

I callee the Lexus dealership and told them I needed a flex coupler. They had no idea what I was talking about.

Does anyone know the correct name of the part? Or Atleast what it does?

 

bring them a picture, ive come to realize 90% of the guys who work at the lexus dealership dont know ****. Like when they told me they needed 6k to return my car back to stock to diagnose what ended up being a faulty TPS..... (my car only has an intake on the engine)

 

Drive shaft isolator