Rick's Free Auto Repair Advice

Posts Tagged: engine protection

Oil Filter Buying Guide: How to Choose the Filter for Your Car?

What Makes One Oil Filter Better Than Another? Quick Summary If you’re shopping for oil filters, this guide has what you need to know. 1) Your oil change interval must match your actual driving habits — and most drivers are using the wrong one. The majority of drivers default to the Normal interval when their driving habits actually qualify as Severe. Driving conditions that put you on the Severe Service schedule • Frequent short trips —  typically under 5 miles (engine never fully warms up). Cold starts and short trips … Read More

Clean An Air Filter vs Replace Air Filter: Tips for DIYers

Can You Clean An Air Filter? Quick Summary Modern paper air filters are designed to trap and permanently hold microscopic dirt particles. Some people believe they can clean a cellulose or synthetic-fiber car air filter by blowing it out with compressed air, vacuuming, washing, or shaking it. They’re wrong. In fact, those methods only damage the filter media, reducing its ability to protect your engine. When it comes to the debate of clean air filter vs replace air filter, replacement is the only option that restores proper filtration and engine … Read More

Are Oil Additives Worth It? The Truth Every Car Owner Needs

Why Most Additives Are Marketing Hype Quick Summary Most oil additives and motor oil additives are unnecessary for modern engines because today’s motor oils are already highly engineered with complete additive packages. Some oil additives can provide limited benefits in very specific situations—such as high-mileage engines or temporary noise reduction. But others are at best redundant and at worst harmful. The wrong motor oil additives can disrupt the carefully balanced chemistry of engine oil, leading to sludge, seal damage, or reduced lubrication performance. Bottom line: Use quality oil and change … Read More


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