Warm Air From Vents. Suction Line Is Cool-Warm, And The Discharge Line Is Warm-Hot

Warm air comes out of the vents. The suction line is cool to warm, and the discharge line is warm to hot

Probable cause: A/C system is low on refrigerant, indicating a possible leak

Do the refrigerant leak check A/C Refrigerant Leak Check and repair any leaks. Recharge the system to specifications A/C System Charging

Also check for

Add refrigerant oil depending on the part you replaced A/C Refrigerant Oil Replacement