ATF Pump: Inspection

Install the ATF pump gears and ATF pump driven gear shaft in the main valve body.
NOTE:
- Lubricate all parts with ATF during inspection.
- Install the ATF pump driven gear with its grooved and chamfered side facing up as shown.
  
  Fig 1: Identifying ATF Pump Gears, ATF Pump Driven Gear Shaft And Main Valve Body
  Courtesy of AMERICAN HONDA MOTOR CO., INC.
Measure the side clearance of the ATF pump drive and driven gears.
ATF Pump Gears Side (Radial) Clearance:

Standard (New):

ATF Pump Drive Gear

0.105 - 0.1325 mm (0.004 - 0.005 in)

ATF Pump Driven Gear

0.035 - 0.0625 mm (0.0014 - 0.0025 in)

Fig 2: Measuring Side Clearance Of ATF Pump Drive And Driven Gears
Courtesy of AMERICAN HONDA MOTOR CO., INC.
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 in)

Service Limit: 0.07 mm (0.003 in)

Fig 3: Measuring Thrust Clearance Of ATF Pump Driven Gear-To-Valve Body
Courtesy of AMERICAN HONDA MOTOR CO., INC.