Is it normal for turbos to leak oil into the intercooler when an engine runs at low RPMs regularly? - Quora
Oil around boost pipe going to intercooler : r/tdi
Oil from Intake Tube of Intercooler : Verna CRDi - Team-BHP
3.5 Ecoboost Oil Leak at Intercooler connection. Anyone else have this issue? It seeps out around this hose clamp, probably a couple drops a day. : r/f150