Section 104 (HVAC): Evaporator: Installation
WARNING: This page is about a different car, the 2003 Subaru Forester. However, it is still accessible from the selected car via links, so may be relevant.
Install in the reverse order of removal.
NOTE:
Replace the o-ring for refrigerant recovery & toe board area air conditioner pipe with a new one, and then apply compressor oil.