Car Repairs You Should Never Attempt Yourself

Some Car Repairs are Best Left to the Professionals

With the rising cost of car repairs and the availability of “DIY” videos on the Internet, an increasing number of people are attempting to fix their vehicles themselves. While this makes sense in certain situations, it comes down to the complexity of the problem.

Sure, you might be able to change out the tires or even replace a spark plug, but there are some repairs that should only be carried out by a licensed and certified mechanic at Milito’s Auto Repair in Chicago.


Have you ever looked inside the bellhousing of a car’s transmission? It’s a twisted maze of gears, tensioners, bearings, and rods, all of which only work when they’re returned to where they belong. Containing thousands of complex parts, a transmission serves a very important role to engage the car in forward drive or reverse. Given how complicated — and expensive at thousands of dollars — it is, a transmission can almost never be repaired or replaced by the average person giving it a shot in their garage.

Head Gasket

A blown head gasket is the sentence of doom for most car owners, and when a head gasket blows, your vehicle is completely inoperable. It can take 20 to 25 hours of labor for a qualified mechanic to replace a blown head gasket in a car, and trying to fix something this major on your own in never recommended. While it’s an expensive repair, doing it incorrectly could permanently damage your car’s engine.

Never Attempt these Car Repairs Yourself from the Milito's Auto Repair Blog - Chicago, IL


To be fair, it’s possible that a backyard mechanic could replace brakes, but you have to get it right. There are few things more dangerous than faulty brakes, and replacing brakes is more than just putting on new brake pads. It involves calipers, rotors, wheel bearings and brake fluid, and a misstep with any of these could put your life in danger. Trust the job to a professional — it will only cost a few hundred dollars, but the peace of mind is priceless.

Windshield Repairs

You have a chip or small crack in your windshield, and you could buy a can of stuff off the shelf at a hardware store and try to fix it yourself for about $10. But the truth is that a cracked or chipped windshield is a serious issue and safety hazard that should be immediately fixed by a professional, which can save the owner from having to replace the whole windshield for roughly $300-500. It’s best to spend the $100 or so and pay a professional to do their job. The last thing you need is a leaky piece of glass ruining your interior.


As the heart of your car’s cooling system, your radiator makes sure your car doesn’t overheat. If it does, this can lead to major engine malfunctions and expensive repair bills. While many attempt this repair, screwing this up could cause your engine to blow. Having a mechanic replace your radiator typically costs between $750 and $1,000, but a new engine will cost you at least $5,000.

What Should You Do?

It really depends on the task at hand and how confident you are that the problem can get fixed properly. In most cases, it’s best to turn things over to the professionals and get the peace of mind that the job will be done correctly and safely.

For all of these reasons, it’s best to take your vehicle for expert diagnosis, friendly service, and quality repairs, at Milito’s Auto Repair in Chicago!

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