508 2.0 HDI oil leak

We repair pressure fuel pump seal leek and after 2000 km again oil. And I said this is the same problem with tristoosam.
Now my mechanic dont know what happend. I attached picture .
20220811_181833.jpg
 
Is it leaking engine oil from the pump again?? You need to look carefully to see if it is coming from above the gearbox (from the pump or somewhere else?) or is only present underneath (your picture), which suggests the rear crank seal (or maybe the upper sump if you are lucky). Perhaps, you can use a fibre-optic camera to inspect without dismantling? You could remove the upper sump and if the oil is then noted as leaking from further up (likely), you move on to the rear crank seal and the cap seals.
You must replace the 8 x bolts on the torque converter drive plate when removed to access the crank seal. The repair manual will tell you to replace other nuts and bolts, depending on how the repair is performed.
Since it is a lot of work, consider trying an oil additive.
 
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