Warm Air Comes Out of the Vents, and the Liquid Line Is Very Hot

Warm air comes out of the vents, and the liquid line is very hot

Probable cause: The A/C system is overcharged (too much refrigerant), or the A/C condenser is malfunctioning

Recover A/C refrigerant A/C Refrigerant Recovery, then check the A/C condenser for restrictions or poor airflow. Repair as needed. Recharge the system to specifications A/C System Charging

Also check for

Incorrect tension or abnormal wear on the drive belt. Replace the belt and/or the belt tensioner as needed.

Also check for

Proper operation of the A/C condenser/radiator fans. Repair as needed.

Also check for

Signs of an overheated engine. Repair as needed.