The oil pan, or sump, is secured to the bottom of the cylinder block by a number of bolts.
Removal Procedure
Removing the oil pan
Raise the front of the vehicle, or raise the complete vehicle on a hoist.
Drain the engine oil.
Remove the oil pan retaining bolts.
Carefully insert a screwdriver or special tool between the oil pan and the crankcase to separate the oil pan
Remove the oil pan completely After removing the oil pan, inspect it for damage and check the condition of the thread in the drain plug hole. Check the oil pump screen and clean it if necessary
Clean the oil pan and remove all the old gasket or sealing material from the mating surfaces of the oil pan and the crankcase. Fit the drain plug and use a new washer.
Installation Procedure
Fit a new gasket to the flange of the oil pan and retain it with a 3 mm bead of liquid silicone gasket material to the flange of the oil pan. The silicone must form a continuous bead around the flange and must be inside the bolt holes to prevent leaks.
Install the oil pan to the crankcase, fit the bolts and tighten them to the correct torque.
Refill the oil pan with oil, run the engine and check for oil leaks.