Subaru Legacy BN/BS (2015-2019) Service Manual: Transmission gear oil

Inspection

If the filter is clogged, or if the replacement interval has been reached, replace it. ...

Replacement

Refer to “6MT” section for transmission gear oil replacement. Transmission Gear Oil > REPLACEMENT ...

Other materials:

Removal
1. Remove the manual transmission assembly from the vehicle. Manual Transmission Assembly > REMOVAL2. Remove the back-up light switch and the neutral position switch. Switches and Harness > REMOVAL3. Remove the transfer case together with the extension case assembly. Transfer Case and Extension C ...