Symptoms - HVAC Systems - Manual: Notes
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Important: Review the system operation in order to learn the system functions. Refer to the following procedures:
- See Air Delivery Description & Operation .
- See Air Temperature Description & Operation .
- The A/C compressor will not operate in cold outside air temperatures. Refer to Air Temperature Description & Operation .
- The following conditions may cause window fogging:
- A wet carpet
- High humidity
- An interior water leak
- A blocked A/C evaporator drain tube
- Maximum passenger capacity
- Blocked body pressure relief valves
- Inspect the air distribution system for causes of reduced airflow:
- An obstructed air filter or a dirty air filter in the passenger compartment, if equipped
- Blocked or damaged air inlet or outlet vents