Measure the resistance according to the value(s) in the table below.

Remove the bolt, the 2 straight pins, and the lock plate.

Remove the drain plug and gasket, and drain the ATF.

Lexus IS250 IS220d GSE20 ALE20 A960E AUTOMATIC TRANSMISSION

Coat 2 new O-rings with ATF, and install them in the direct clutch piston.

Hold the coast clutch hub and turn the one way clutch assembly.

Place the oil pump onto the torque converter clutch, and then place the reverse clutch drum sub-assembly and input shaft onto the oil pump.

Lexus IS250 IS220d GSE20 ALE20 A960E AUTOMATIC TRANSMISSION

Using SST and a hammer, install a new oil seal.

Using a dial indicator, measure the inside diameter of the oil pump body bushing.

• Standard inside diameter:
• 38.138 mm (1.5015 in.)

If the inside diameter is greater than the standard inside diameter, replace the oil pump body.