Filter Changes

03.03.13

So how do you like your drinking water – Clean or mixed with dirt and metal shavings? Clean, right?

Your vehicle engine would answer the EXACT same way about its oil. Similar to your home water filter, an oil filter’s job is to remove oil contaminants.  It sifts out the solid particles while allowing the oil to flow unrestricted through the engine. Likewise, over time the oil filter can become full or “clogged,” and the oil and contaminants will flow around the filter.  As a safety mechanism, the bypass is allowed because as far as your engine is concerned, dirty oil is better than none at all.

However, when this occurs, the contaminants (dirt and metal shavings) head straight for the engine where they can eventually cause permanent damage.  Studies also show that fuel economy and emissions are adversely affected during by-passing.

Ok, so then which do you prefer to breathe – fresh or stale, polluted air?

Similar to the oil filter, your engine’s air filter captures airborne contaminants, like bugs and dirt, out of the air before they enter your engine.  Each gallon of gasoline burned by your engine requires 10,000 gallons of air – that translates into a lot of contaminants being sucked into your air filter.  Left unchanged, dirty air filters can lead to poor acceleration, lower gas mileage and poor engine performance.

Many don’t realize it, but most vehicles today have TWO air filters – one for the engine and one for the passengers.

A cabin air filter is a mechanism that keeps air inside the passenger compartment of your car from becoming stale and unhealthy.  Many newer model cars have the component tucked away inside the dash or elsewhere where it is not easily seen.

Although hidden, a cabin air filter performs a very important function.  This filter removes contaminants such as dust, pollen, mold spores, and other small particles from the air that circulates through your cars heating, ventilation and air conditioning system and into the passenger cabin.

As a general rule, you should change the oil filter every 3,000 to 7,500 miles (depending on your type of driving) and the engine and cabin air filters should be changed every other oil change (again depending on your driving).

Ask Heritage to check these filters so your vehicle can drink and breathe easier.

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