Land Cruiser 100 Series HDJ100 Strange acceleration sound 1HD FTE video two

I am trying to find the root cause of a strange sound coming from the 1HD-FTE in a Land Cruiser 100 series HDJ100.

More troubleshooting in this thread on IH8MUD: https://forum.ih8mud.com/threads/land-cruiser-hdj100-1hd-fte-chugging-honing-droning-strange-sound-upon-medium-acceleration.1290457/

Видео Land Cruiser 100 Series HDJ100 Strange acceleration sound 1HD FTE video two канала YvesNL