Reduction Driven Gear: Removal

Remove the transmission assembly from the vehicle. < Refer to REMOVAL , Automatic Transmission Assembly. >
Separate the extension case from the transmission case. < Refer 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: Separating Extension Case From Transmission Case Using Special Tool
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: Extracting Reduction Driven Gear Using Special Tools
Courtesy of SUBARU OF AMERICA, INC.