ATF Pump Inspection

Install the ATF pump drive gear (A), driven gear (B), and ATF pump driven gear shaft (C) in the main valve body (D). Lubricate all parts with ATF, and install the ATF pump driven gear with its grooved and chamfered side facing up.

Fig 1: Installing ATF Pump Drive Gear
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Measure the side clearance of the ATF pump drive gear (A) and driven gear (B).

Fig 2: Measuring Side Clearance Of ATF Pump Drive Gear
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Remove the ATF pump driven gear shaft. Measure the thrust clearance between the ATF pump driven gear (A) and the valve body (B) with a straight edge (C) and a feeler gauge (D).

Fig 3: Removing ATF Pump Driven Gear Shaft
Courtesy of AMERICAN HONDA MOTOR CO., INC.