Hi I had this noise from the front of the engine with start from cold,I had the belt and belt tensioner changed recently but after a couple of weeks the noise came back.The garage found the idle/guide pulley was partially seized,the belt on start up was skidding around the pulley as the engine warme...

Hi I had a leak in that area,it turned out to be a leak from the rectangular cover above the filter.I replaced the o ring type seal which put the problem right.

Hi I had this problem.it was a leak from the oblong plate just above the filter assembly.the o ring seal was defective.hope this helps.regards njht5