Honda Accord - noise when reversing - mo05

My Accord 05 making hard noise (something heating or obstructing something) when i m reversing, its coming from under the bonnet, but dont no exactly from where. i will appreciate your help.

Thanks
Mo

Honda Accord - noise when reversing - ChannelZ

Err...it's probably the engine?

Try reposting with some usful information,like which engine you have, is it auto or manual, what speed the noise happens, does it stop if you put the clutch in if it's a manual....