Check the housing-to-rotor axial clearance between the rotor (A) and lower balancer shaft holder (B). If the housing-to-rotor axial clearance exceeds the service limit, replace the oil pump.

Housing-to-Rotor Axial Clearance
Standard (New):	0.020−0.055 mm
	(0.0008−0.0022 in.)
Service Limit:	0.1 mm (0.004 in.)