Oil Pump: Testing and Inspection

OIL PUMP INSPECTION
Rotor Clearance Inspection
1. Measure the following clearances.
- Replace the rotor and/or pump body if necessary





Standard tip clearance 0.02 - 0.18 mm (0.0008 - 0.0070 inch)
Maximum tip clearance 0.20 mm (0.0079 inch)





Standard body clearance 0.113 - 0.186 mm (0.00445 - 0.00732 inch)
Maximum body clearance 0.22 mm (0.0086 inch)





Standard side clearance 0.03 - 0.09 mm (0.00119 - 0.00354 inch)
Maximum side clearance 0.13 mm (0.0051 inch)

Pressure Spring Inspection





1. Measure the free length of the pressure spring.
2. Replace the pressure spring if necessary.
Free length 46.79 mm (1.842 inch)