Mp-T 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 range select lever to the "P" range.
Lift the crimped section, and then remove the lock nut.

Fig 1: Removing Reduction Driven Gear And Reduction Drive Gear
Courtesy of SUBARU OF AMERICA, INC.
Using the ST1 and ST2, extract the reduction driven gear.
ST1 499737000 PULLER

ST2 899524100 PULLER SET

Fig 2: Identifying Reduction Driven Gear And Reduction Drive Gear
Courtesy of SUBARU OF AMERICA, INC.