Subaru Legacy BN/BS (2015-2019) Service Manual: Assembly

Disassembly

1. Remove the dust cover from extension case.2. Remove the extension case oil seal from the extension case. ...

Extension case oil seal

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Other materials:

Outback
Apply a flat-head screwdriver to the light cover as shown in the illustration, and pry the light cover off from the rear gate trim. Turn the bulb socket counterclockwise and remove it. Pull the bulb out of the bulb socket and replace it with a new one.  Install ...