What does an oil sump pan do?
The oil sump pan is usually at the bottom of the engine compartment, where it can collect anything that drips down. This means it is under the pistons and below the crankshaft to allow the excess oil to flow into the oil sump pan.
How do you know there is something wrong with the oil sump pan?
You may notice spots of oil under your parked car. Over time these could be oil puddles if it’s a regular spot. The bigger the patch of oil, the bigger the problem with your oil sump pan.
When should you consider an oil sump pan replacement?
An oil sump pan usually doesn't need to be replaced in any fixed schedule. It is worth asking the mechanic about your sump pan during an oil change, where they may be able to spot other problems with the system.
What happens during an oil sump pan replacement?
A mechanic will come to replace the oil sump, and assess the situation on the vehicle to see if there are any other problems. The mechanic will then replace the oil sump and advise if there are further parts to replace. They will then test the system and adjust as neccessary.