Fluid Pump: Testing and Inspection

1. Install the ATF pump gears and ATF pump driven gear shaft in the main valve body.

NOTE:
- Lubricate all parts with ATF during inspecting.
- Install the ATF pump driven gear with its grooved and chamfered side facing up as shown.





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 (0.003 inch.)