Hello All,
Ive Got An 03 Td4 Just Bought It,had A Good Look Under The Bonnet As You Do...lol,
Noticed That The Air Con Pipe(think Its That)was Rubbing Against The Dip Stick Tube At The Front Of The Engine,
It Runs Across The Front Of It,had Rubbed Quite A Bit Off The Outer Coating, Cured It By...