Hello NMKawierider, I made a video today! I raised the back of the quad... and I put it in H gear. The metallic sound can be heard on the video... So that the rear wheels were in the air at a certain speed, even without the engine brake, the metallic sound came out. But if I go with the quad, this sound only occurs when the engine brake is applied.

https://www.youtube.com/watch?v=S43v7FPXwck

With the cover removed i have to say the sound is coming from behind the rear pulley... Behind the rear pulley is the gear housing, right?

Did this model have a type error with the gearbox?

Thank you very much, thank you!

Hello,

I'm Marc from Hungary... I have a 2013 Terralander 800. The quad ran 2800 km.. My problem is that when I let off the gas, a strange metallic sound can be heard from around the variator...  This sound is only experienced in forward gear (H or L gear). In reverse, it doesn't make that abnormal noise when enginebraking...
If I put the transmission in neutral and rev up the engine, the metallic sound can't be heard either! So it only makes this metallic sound in forward when I use the engine brake.

I've tried researching on the internet. I have read in several places that the freewheel bearing is responsible for the engine brake on this type. I ordered a new freewheel bearing the other day and replaced it! But unfortunately it didn't solve the problem. (I made sure to insert the freewheel bearing in the correct direction.. The variator cannot be turned clockwise by hand. And it can be rotated freely to the left, i.e. backwards.)

What can cause this metallic sound when enginebraking?

I will make a video about the phenomenon in the afternoon!

Thank you very much in advance for the helpful comments!