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This article brought to you courtesy of Karen Johnston, of All About Automotive, Gresham Outlook Insider Automotive Expert.

Karen Johnston

Vehicles today are being sold with the misconception that they are maintenance free. For example, oil changes to every 7,500 up to as much as 15,000 miles, instead of every 3,000 miles. Transmission services every 100,000 miles or even "lifetime fluid" that never needs changed. Coolant that can last up to 100,000 or even 150,000 miles. Vehicles are machines, with more computer control and driver operated, but still a machine. I haven't seen a machine or a computer yet that did not need maintenance, updating or repair.

To increase fuel economy and lower emissions, engines have been designed with tighter tolerances than in the past requiring lighter oil to flow into smaller spaces. Oil cleans, cools, lubricates and very importantly, suspends particulate. Particulate is a normal byproduct of engine use and is abrasive, accelerating engine wear. Oils have improved in the last 10 to 20 years, but they still get dirty! Changing your oil every 7,500 to 15,000 miles just adds to the amount of dirt/particulate. The goal is to keep the oil clean, not allow it to get extremely dirty, then change it. Dirty oil causes sludge, a build-up of particulate matter. Sludge accumulates and can cause a restriction or starvation of the oil getting to the internal moving parts of the engine causing engine damage.

Next month's article will talk more about whether vehicles are really maintenance free and what type of oil is best for your vehicle. Happy Motoring!

All About Automotive

139 N.W. 2nd Street

Gresham, OR 97030

503-465-2926

www.allaboutautomotive.com

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