How do you change oil sump on vauxhall corsa 1300 cdti van 2007?

To change the oil sump on a 2007 Vauxhall Corsa 1300 CDTI van, first, ensure the engine is cool and safely elevated. Drain the engine oil by removing the drain plug and allow it to fully empty. Then, unbolt the oil sump from the engine block, carefully removing any old gasket material. Clean the mating surfaces, apply a new gasket, and reattach the sump, ensuring all bolts are tightened to the specified torque. Finally, refill with fresh oil and check for leaks.