Diesel Data: Automotive Repair

Warm Air Out Vents. Liquid Line/Condenser Outlet Abnormally Cool, Or Frost/Condensation on Receiver/Dryer




Warm air comes out of the vents. The liquid line or the condenser outlet is abnormally cool, or there is frost or condensation on the receiver/dryer

Diagnostic Procedure:

1. Probable cause: A restriction in the high-pressure side of the system

2. Recover A/C refrigerant, A/C Refrigerant Recovery then check the liquid line, the receiver/dryer, and the A/C condenser for restrictions. Repair as needed. Recharge the system to specifications A/C System Charging

Also check for:

- Climate control DTCs Initial Inspection and Diagnostic Overview