MPT Model

Remove the transmission assembly from vehicle body. <Ref. to REMOVAL AUTOMATIC TRANSMISSION ASSEMBLY. >
Remove the rear wheel speed sensor, and separate the extension case from transmission case. <Ref. to REMOVAL EXTENSION CASE. >
Set the select lever to "P" range.
Lift the crimped section, and then remove the lock nut.

Fig 1: Locating Lock Nut Using Special Tool
Courtesy of SUBARU OF AMERICA, INC.
Using the ST1 and ST2, extract the reduction driven gear assembly.
ST1 499737000 PULLER

ST2 899524100 PULLER SET

Fig 2: Identifying Reduction Driven Gear Assembly

Courtesy of SUBARU OF AMERICA, INC.