With all that's going on, it's perfectly understandable if auto maintenance is the furthest thing from most people's minds. But they should consider that an unexpected repair bill is probably the last thing they need right now, and keep vehicle service needs on a front burner.
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Most mechanics still recommend the so-called 30-60-90 service interval, which puts a car in the shop for scheduled maintenance at 30,000 miles, 60,000 miles, and 90,000 miles. This is a tried-and-true formula, but according to Consumer Reports, there's no need to rush your car in when it reaches one of those milestones. A well-maintained car can go hundreds of miles beyond all three of those landmarks.
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Advance Auto Parts created a tutorial for basic maintenance during the large gaps between the 30-60-90 intervals and beyond. Check things such as belts, battery, and cables at three months or 3,000 miles, transmission fluid and windshield washer fluid at six months or 6,000 miles, power steering and lights at nine months or 9,000 miles, and coolant and tires at one year or 12,000 miles. Here, too, there's plenty of wiggle room unless a problem is evident.
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Although this doesn't exactly qualify as taking your car in for service, it's a good idea to drive for 10 minutes or so once a week or every two weeks, even if you don't have to. Many people learned this during the coronavirus shutdown when forced to work from home, which left millions of cars sitting idle for extended periods. Cars are designed to be driven (literally). Long-term lack of use is bad for your car — bad for tire inflation, bad for the gas tank, bad for the battery, bad for brakes, and bad for all the parts and systems that aren't being circulated with motor oil.
The standard interval for oil changes has long been 3,000 miles, and still is for many mechanics and dealerships. The reality is that the past several decades have seen radical improvements in things such as engine efficiency, fuel injection, and oil quality. Most cars today require oil changes between 5,000 to 10,000 miles. Always go with the manufacturer's recommendation in your manual.
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Air filters are critical components that most people can change themselves. Whether you DIY the task or leave it to the pros, air filters should be changed at intervals not exceeding 30,000 miles. If you live in an especially dusty or polluted area, according to CarGurus, you should change your air filter closer to every 15,000 miles.
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Fuel filters are just as critical as air filters — an engine won't run if the fuel filter is clogged — but they're not as easy to replace. Generally, fuel filters should be replaced roughly every 30,000 miles. A mechanic can tell what kind of shape your fuel filter is in with a simple pressure test.
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As previously discussed, motor oil varies by car and must be replaced more frequently than your vehicle's other critical fluids. They include brake fluid, power steering fluid, coolant, and transmission fluid. They should be changed every 30,000 miles or so and, unlike motor oil, draining and replacing these fluids is not a DIYable task for most.
Most vehicles driven under standard conditions can go 40,000 miles or so without a spark plug change. In terms of all vehicles collectively, however, there's a huge gap in service intervals. Specialty and older vehicles might require a swap every 20,000 miles. A brand-new modern car on the other hand, might be able to go as much as 120,000 miles on its original spark plugs.
A good set of brake pads and shoes should last every bit of 50,000 miles, although they should be checked well before that and taken in for service if they start screeching or making any other odd noise. Rotors should last 60,000 miles. At that point, they should be replaced or, at the bare minimum, resurfaced.
Modern batteries produce a full charge until the moment they actually die. That means that when they do fail, they often fail without warning. That usually won't happen until after about five years, which is when AutoZone recommends replacing a battery even if it seems to work well. After three years, however, you should get your battery tested periodically by a mechanic if you're not inclined to DIY.
Treadwear has long been the yardstick for measuring when old tires should be swapped out for new ones. But, according to Edmunds, the chemical compounds found in rubber break down naturally, degrading tires no matter how many miles are driven and no matter what shape the tire's treads are in. Tires need to be replaced roughly every six years, even if they appear to still be in good working order.
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There's no hard-and-fast rule for when to replace so-called consumables, CarGurus says, other than that you'll know when you need a new one. These include things such as windshield wiper blades, hoses, and rubber gaskets. These critical parts fail at irregular intervals and should be changed when either you or your mechanic notice visible wear or reduced performance.