Automotive Air Conditioning

No air coming from air conditioning vents Check the air conditioner fuse and replace as necessary. Air conditioner system discharged. Have the system evacuated, charged and leak tested by an MVAC certified technician, utilizing approved recovery/recycling equipment. Repair as necessary. Air conditioner low pressure switch defective. Replace switch. Air conditioner fan resistor pack defective. Replace resistor pack. Loose connection, broken wiring or defective air conditioner relay in air conditioning electrical circuit. Repair wiring or replace relay as necessary. Air Conditioner blows warm air Air conditioner system is discharged. Have the system evacuated, charged and leak tested by an MVAC certified technician, utilizing approved recovery/recycling equipment. Repair as necessary. Air conditioner compressor clutch not engaging. Check compressor clutch wiring, electrical connections and compressor clutch, and repair or replace as necessary. Water collects on the interior floor when the air conditioner is used Air conditioner evaporator drain hose is blocked. Clear the drain hose where it exits the passenger compartment. Air conditioner evaporator drain hose is disconnected. Secure the drain hose to the evaporator drainage tray under the dashboard. Air conditioner has a moldy smell when used The air conditioner evaporator drain hose is blocked or partially restricted, allowing condensation to build up around the evaporator and drainage tray. Clear the drain hose where it exits the passenger compartment