20-08-2014, 11:29 AM
If it's a tin sump, use a decent gasket (Payen or similar) and if it's an alloy sump use an RTV sealant, ensuring that the surface is completely degreased first.
1990 Peugeot 205 GTi 1.9 // 1991 Peugeot 205 GTi 1.9 16v // 1992 Peugeot 205 GTi 1.9 // 1999 Peugeot 306 HDi Estate