Fluid Pump: Testing and Inspection

OIL PUMP INSPECTION

1. Install the ATF pump gears and ATF shaft in the oil pump body.





2. Measure the side clearance of the ATF pump drive and driven gears.

ATF Pump Gears Side (Radial) Clearance Standard (New):
- ATF Pump Drive Gear 0.210 - 0.265 mm (0.0083 - 0.0104 inch.)
- ATF Pump Driven Gear 0.035 - 0.063 mm (0.0014 - 0.0025 inch.)





3. Remove the ATF pump driven gear shaft. Measure the thrust clearance of the ATF pump driven gear-to-valve body.

ATF Pump Drive/Driven Gear Thrust (Axial) Clearance:
- Standard (New): 0.03-0.05 mm (0.001-0.002 inch.)
- Service Limit: 0.07 mm (0.028 inch.)