Operation CHARM: Car repair manuals for everyone.

Air Duct: Description and Operation

A system of ducts arid outlets directs air to the passenger compartment. Check the following components in cases of poor air output:

- Tire defroster
- The heater
- The air conditioning
- The vent ducts

Check for the following obstructions:

- Leaves
- Dirt
- Objects that may have fallen into the ducts from the passenger compartment