Tag Archives: engine

Why do I need a coolant flush?

This is what clean coolant looks like. Coolant is a 50-50 mixture of antifreeze and water.

Question: My owner’s manual shows that I’m due for a coolant flush at 90,000 miles. What does coolant do? And do I really need a coolant flush?  Answer: A coolant flush or cooling system flush is modern-day terminology for ridding your radiator of rust, dirt, sludge and old antifreeze or “radiator fluid.” The fluid is more accurately known as coolant, which is a 50-50 mix of antifreeze and water. And yes, flushing the cooling system is an important part of your car’s preventive maintenance schedule. Why? Because coolant keeps your engine from overheating—which keeps you from sitting by the side … Continue reading

How often should I change the oil in my car?

Question: I was reading an article recently that said changing my oil every 3,000 miles is an outdated idea that costs me more money and is bad for the environment. According to the article, today’s oils can go 5,000 miles or more and I should look at my owner’s manual to see how often the oil really needs to be changed. What do you recommend at Auto Lab? Answer: If your car uses conventional motor oil, such as 5W30 or 10W30, we recommend changing the oil every 3,000 miles or 3 months. If your car uses synthetic oil, we recommend … Continue reading