engine noise

Hi Guys, Hopefully one of you lovely people will be able to help. Got an odd noise which you can only hear when the car is idling at 1k. Youtube video so you an hear it. Noisy Bugger The noise is present in the video from the off. I then press the accelerator and noise goes but you can...

Hello, I have recently bought a second hand 5D Cee'd, 2010 model. I've noticed that the engine makes a ticking noise, noticeable inside the cabin. I have changed oils to 10W-30, however not oil filter. Furthermore, I have changed also the precat. My technician told me that this is normal noise...