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

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

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

Recover A/C refrigerant A/C Refrigerant Recovery, then check the 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 condenser/radiator fans. Repair as needed.

Also check for

Signs of an overheated engine. Repair as needed.