sounds like broken motor mounts (one or more), or tranny mounts.. or any other mount with a bushing really..

heres why.. just the other day we were diagnosing the same noise on a car.. front wheel drive sedan.. but that is irrelevant

what happened was each time the car would stop, start, go around corners etc.. all at different rpms... the broken mount RESETS itself.. then twist/torque.. CLUNK

Hope this helps.. on the car it was the front of the A-arm assemblies on both sides.. who knows what torque prone pivot point it could be on yours

good luck

 

That's what I was thinking. Im gonna check on mine hopefully this week and i'll let you know what's up.

 

i think you got a canadian stuck in your piston.j/k not sure what it would good luck

 

YA I fixed my knock!!!! The flywheel was cracked after all.