Oil Pump: Testing and Inspection
OIL PUMP INSPECTIONInner Rotor, Outer Rotor, and Oil Pump Body Inspection
^ Measure the following clearances. Replace the rotor or oil pump body as necessary.
Standard tooth tip clearance 0.02 - 0.18 mm (0.0008 - 0.0070 inch)
Maximum tooth tip clearance 0.20 mm (0.0079 inch)
Standard outer rotor-to-oil pump body clearance 0.090 - 0.176 mm (0.0036 - 0.0069 inch)
Maximum outer rotor-to-oil pump body clearance 0.22 mm (0.0087 inch)
Standard side clearance 0.03 - 0.11 mm (0.0012 - 0.0043 inch)
Maximum side clearance 0.14 mm (0.0055 inch)
Pressure Spring Inspection
^ Apply pressing force to the pressure spring and measure the spring height.
Standard height 35.42 mm (1.394 inch) [Pressing force: 62.8 - 68.6 N (6.4 - 7.0 kgf, 14.1 - 15.4 lbf)].