Operation CHARM: Car repair manuals for everyone.

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

Diagnostic Procedure:

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

2. 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
- Proper operation of the A/C condenser/radiator fans. Repair as needed
- Signs of an overheated engine. Repair as needed