Remove the pressure hose from the oil pump.
When assembling, use a new O-ring.
Disconnect the suction hose from the suction connector and drain the fluid into a container.
When removing the suction hose, cover the generator with vinyl not to be damaged by the oil inflowing.
Remove the drive belt. (V6, 2.5)
Loosen the tensioner adjusting bolt to remove the drive belt (V6, 3.0).
Remove the oil pump mounting bolts and disconnect the pressure switch connector.