The Cabin Filter – the lungs of your car
Poor air flow and an unusual odour is usually the sign that it’s time to replace the cabin air filter.
The cabin air filter is the filter responsible for filtering the air that enters your vehicle via heating and air conditioning systems. This filter traps dust, pollen, and other foreign particles. It prevents them from entering the vehicle and polluting the cabin.
Cabin filters work in essentially the same way as a regular engine air filter and when they get dirty they should be replaced. This should be done at the regular service interval recommended by the manufacturer.
Usually a dirty cabin filter will produce a few symptoms that can let the driver that attention may be required.
One of the most common symptom associated with a bad cabin air filter is poor air flow from the vents inside the car. A badly contaminated cabin filter will not be able to filter the incoming air as effectively as a clean filter would. This will cause limited air flow for the air conditioning system. This will cause the vents to blow with noticeably less force, reducing the overall cooling capacity of the air conditioning system. This will also place an additional strain on the air conditioning blower motor.
Another symptom can be an unusual odour coming from the vehicle’s interior vents. An excessively contaminated filter may produce a dusty, dirty, or musty smell. The smell may become more pronounced when the air is turned on, and may make the cabin uncomfortable for the passengers.
A cabin filter is a simple component that should be replaced when necessary to keep the air conditioning system working as efficiently as possible. This will also keep the cabin as comfortable as possible for the passengers.
So next time you have your car serviced get them to change your pollen filter and have a look at what condition the old one is in.
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