ATF Pump Inspection

WARNING: This page is about a different car, the 2011 Acura TL, 2010 Acura TL, and 2009 Acura TL. However, it is still accessible from the selected car via links, so may be relevant.

Install the ATF pump drive gear (A), the driven gear (B), and the 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: Identifying ATF Pump Drive Gear
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Measure the side clearance of the ATF pump drive gear (A) and the driven gear (B)
ATF Pump Gears Side (Radial) Clearance

Standard (New)

ATF Pump Drive Gear

0 210-0 265 mm (0 0083-0 0104 in)

ATF Pump Driven Gear

0 070-0 125 mm (0 0028-0 0049 in)

Fig 2: Measuring Side Clearance Of ATF Pump Drive Gear And Driven 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 main valve body (B) using a straight edge (C) and a feeler gauge (D)
ATF Pump Drive/Driven Gear Thrust (Axial)

Clearance

Standard (New) 0 03-0 06 mm (0 001-0 002 in)

Service Limit 0 07 mm (0 003 in)

Fig 3: Measuring Clearance Between ATF Pump Driven Gear And Main Valve Body
Courtesy of AMERICAN HONDA MOTOR CO., INC.