Visual inspection

WARNING: This page is about a different car, the 2003 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.

Open the hood and visually inspect the heating and air conditioning systems for the following:
- Coolant reservoir for correct coolant level
- Heater hoses for deterioration or loose connections
- Radiator and condenser for debris or damaged fins restricting airflow, loose mounting or connections
- Accessory drive belt(s) and cooling fan(s) for wear or physical damage
- Refrigerant lines and connections for physical damage or loose connections
- Compressor for physical damage or loose connections
- Receiver/drier for physical damage or loose connections
- Wiring and connectors for excessive wear, loose or damaged connections, or incorrect routing