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A common theme when trying to save money is “do it yourself,” but many car owners are hesitant to take that advice and attempt basic maintenance and repairs on their vehicles.

To a degree, those fears are legitimate, because vehicles are more complicated than they used to be. But many repairs and maintenance tasks are easy enough to complete, even for those without many tools or skills.

You could save significant money if you did.

And saving money is only one advantage; you could save time, too. Think about the hassle involved with scheduling an auto-repair appointment, driving to the shop and dropping off the vehicle or waiting for the repair.

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“It takes a chunk of your day to deliver the vehicle to someone else,” said Tracey Virtue, director of operations strategy for AutoMD.com, an auto-repair instruction site owned by U.S. Auto Parts Network.

Some repairs could be done in a half-hour or less in your own driveway whenever it’s convenient for you.

“There’s a lot you can do that’s easy,” Virtue said. “And how-to guides are so much more available.”

That time and money saved might also help some car owners to stop ignoring maintenance or a repair, a habit that can lead to bigger expenses later.

“It will domino,” said Pam Oakes, an ASE-certified technician in Fort Myers, Fla., and author of the book “Car Care for the Clueless.” “If you didn’t repair a $10 coolant leak, it could turn into a $1,000 head-gasket job.”

Here are a few maintenance and repair jobs you might want to try yourself — even if you’re not handy.

Replace engine air filter. The filter is easy to find under the hood and easy to replace, usually just requiring removal of a few screws from the filter box and swapping in a clean, $15 or $20 filter for an old, dirty one.

That cost compares with possibly $50 or more if you have a repair shop do it, Virtue said.

See your owner’s manual for how frequently to change the air filter, typically every 15,000 miles.

Wiper blades. Instructions for replacing blades are often on the package. “It’s really easy and cheap to do it yourself,” Virtue said. You might save about $10 each time.

Light bulbs. Headlights, brake lights, taillights and turn signals all have bulbs that might occasionally need to be replaced. They are generally easy to access and require just turning a bulb with your hand to remove and replace it.

Replace a battery. Even those with minimal tool skills should be able to remove an old battery and replace it with a new one, Virtue said. And you can clean the battery terminals, which often build up a white coating of acid.

Use baking soda and water to make a paste. Clean terminals with the paste and an old toothbrush. That should save $30 over having a shop do the cleaning, said Oakes, adding you shouldn’t wear jewelry and should consider wearing gloves while cleaning terminals.

Changing oil. While this might seem like an obvious do-it-yourself task, many experts don’t recommend it. The main argument against changing your own oil is you’re not likely to save a lot of time and money because specialty oil-and-lube shops can offer cheap, quick oil changes. Virtue warned, however, that some shops will offer cheap oil changes to get you into the shop and then try to upsell you on an unrelated repair job.

Instruction. Online sites and forums offer how-to videos and written instructional guides. It could also pay to buy the official repair manual for your vehicle, which will tell you what tools you need and provide instruction and troubleshooting.