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What a Car Mechanic Won't Tell You
Here's a secret that mechanics don't want you to know: You really don't need to have your oil changed every 3,000 miles.
It's a waste of a precious resource -- not to mention money -- to take your car in every 3,000 miles or three months, experts say. On average, most cars don't need an oil change for 7,500 miles.
"The oil change itself is a loss leader," said Austin Davis, whose family has been in the car-maintenance business in Houston since 1937. He's the author of "What Your Car Mechanic Doesn't Want You to Know" and has a website called MyHonestMechanic.com.
"Most repair shops will lose money or at best break even on a $25 to $28 oil change," he said. "The whole idea is to get you to also buy an air filter, rotate your tires or buy something else while you're there."