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Cabin Air Filter

The cabin air filter prevents dust, pollen, and other debris from entering the passenger compartment through the climate control (HVAC) system.

Symptoms of Wear or Failure

  • Unpleasant smell
  • Poor air flow though the HVAC system

Related Repair Advice

  • Manufacturers recommend inspection or replacement of the cabin air filter every 15,000 to 30,000 miles
  • The cabin air filter may also be referred to as a pollen filter, micro filter, or an air conditioning filter
  • Some cabin filters include activated charcoal to help eliminate unwanted odors and cut down on the exhaust pollutants that enter through the climate control system. These types of filters also tend to be more expensive than regular filters.
  • Musty and moldy odors can often be resolved by replacing the cabin air filter

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