Subaru Legacy BN/BS (2015-2019) Service Manual: Rear differential side oil seal

Inspection

Check the rear differential mount bushing for cracks, hardening or damage. If cracking, hardening or damage is excessive, replace rear differential mount bushing. ...

Replacement

1. Remove the rear differential. Rear Differential (T-type) > REMOVAL Rear Differential (VA-type) > REMOVAL2. Remove the rear differential side oil seal using a ST or screwdriver wrapped with vinyl ...

Other materials:

AT OIL TEMP warning light (CVT models)
If this light illuminates when the engine is running, it may indicate that the transmission fluid temperature is too hot. If the light illuminates while driving, immediately stop the vehicle in a safe place and let the engine idle until the warning light turns off. Transmission control syst ...