newbie here!

hello my name is lee im a mechanic im new to the forum iv got a 2006 skoda octvrs (octopus) its a 2.0 tfsi bwa engine 113k and ive owned for about a year now and over the past 6 months its developed a noise i would call a death rattle which i was told was normal on tht engine and when i done a little research due to little no how with this engine ive now put it down to oil pump chain now as its now a lot worse. does any body no what parts i req to do the job or if any one has etka to help thanks