Totyota tundra jerk -jump- when realase break while reserve only

Hello
I have toyota tundra trd pro 2017
111 miles
I changed engine mounts and transmission mounts after that i notice one problem
When i reserve and and keep brake few seconds then realase brake the car jerk ( jump) but when i letting food off brake no jerk ( shake jerk come only the moment i realase brake to reserve ...
While drive or change between D R P NO SHAKE
Only this point

anyone have any idea baout that? Any solution or experience?
Regards

 

If the problem started after your recent work, check your work.

 

Thanks for replying
Actually i recheck again they said mounts is ok but maybe before old mounts damage that why can't feel jerk or car shake but after new mounts it so clear this what they told me