Visual/Physical Inspection
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, 2002 Chevrolet RV Cutaway, and 2002 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
Inspect for aftermarket devices which could affect the operation of the HVAC System. Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom. The following conditions may cause window fogging:
- Wet Carpet Or Mats
- High Humidity
- Interior Water Leak
- Blocked A/C Evaporator Drain Tube
- Maximum Passenger Capacity
- Blocked Body Pressure Relief Valves
- Obstructed Or Dirty Passenger Compartment Air Filter, If Equipped
- Blocked Or Damaged Air Inlet Or Outlet Vents