Oil pump

Item
Measurement
Qualification
Standard or New
Service Limit
Oil pump
Inner-to-outer rotor clearance
0.02−0.16 mm (0.001−0.006 in.)
0.20 mm (0.008 in.)
Pump housing-to-outer rotor clearance
0.100−0.175 mm (0.0039−0.0069 in.)
0.20 mm (0.008 in.)
Pump housing-to-outer rotor axial clearance
0.02−0.07 mm (0.001−0.003 in.)
0.12 mm (0.005 in.)
Relief valve, oil pressure with oil temperature at 80 °C (176 °F)
At idle
70 kPa (0.7 kgf/cm 2 , 10 psi) min.
At 3,000 rpm (min −1 )
340 kPa (3.5 kgf/cm 2 , 50 psi) min.