Kenmore Elite genius Tower refrigerator freezer part not getting cold

Kenmore Elite genius Tower refrigerator freezer part not getting cold I have a Kenmore Elite genius Tower refrigerator freezer part was not getting cold I replace the relay switch that was no go I interned replace the fan motor it still didn't get cold I replace the condenser coils still not getting cold I had the free online repair they said it may be possible a leak I had that repair refrigerator side is getting cold now however the freezer side is not help me please