Hi Nodge68, if I had to bet now I'd say it was gearbox oil. If you forget about the drive shaft oil seals gear box oil has 2 seal places it can leak from - 1. the gearbox input shaft and 2. the gearbox output shaft. The gearbox output shaft is where the IRD plugs in and has one large 'O' ring...

Right, well the new IRD oil and the new gearbox oil are both more or less clear and if you had one drop of each on different fingers you can't tell the difference. It's not engine oil that's just standard black. Original gearbox oil is red and IRD is light amber, the new oils are clear and...

Thanks for the replies: mjrimmer - Take it back, well I've already sort of done that because it's me that fitted it, lol. More info> I can't believe I've bent the release bearing carrier, I know what you mean, it is a flimsy pressing that comes with the seal already fitted and it's a new one...

Hi Ian, drive shaft oil seal - no both new and dry. The leak is showing in the bell housing area which is engine/gearbox/IRD join in the middle. ?

TD4 2006 Getrag box Hi, bit of a mystery oil leak - what do you think. Clear fluid dripping from the bell housing area, looks like gearbox or IRD but which? New clutch, slave cylinder and all seals just fitted. It dripped before the job and it still drips now. Your thoughts?