HVAC System

The Heater, Ventilation and Air Conditioning (HVAC) System is designed to provide a comfortable environment inside the vehicle passenger compartment, regardless of weather conditions outside the vehicle.

The Park Avenue and LeSabre HVAC systems are most easily understood if you break them up into their major functional systems:
1. Air Distribution System
2. Temperature Control System. Refer to DUAL A/C (CJ2) or ELECTRONIC A/C (C67). Testing and Inspection Testing and Inspection
3. Refrigeration System
4. Heater System