Elantra L4-2.0L (2004)
6. Insert the outer O-ring in the oil pump side plate and then install it in the pump body.
7. After inserting the lock pin into the groove of the front housing, install the cam ring attending to the direction.
8. Install the rotor.
9. Install vanes(A) so that the rounded edges face outward.
10. Install the gasket and oil pump cover assembly.