8 Maintenance Mistakes That Could Be Ruining Your Car
AAA estimates that car maintenance costs average around $800 annually, which breaks down to about $66 per month. This figure covers routine services such as oil changes, tire rotations, and multipoint inspections. Your car is one of your most significant investments, but keeping it running smoothly requires more than just filling up the gas tank.
Proper maintenance is key to extending your vehicle’s lifespan and avoiding costly repairs. Yet, many drivers unknowingly make simple mistakes that can cause long-term damage. Let’s explore eight common maintenance mistakes you might be making—and how to fix them before they ruin your car.
1. Skipping Regular Oil Changes
Oil is the lifeblood of your engine, and neglecting regular oil changes can spell disaster. Over time, oil breaks down and becomes less effective at lubricating engine parts, leading to increased friction and wear. Dirty oil can also clog filters and reduce engine efficiency. Ignoring oil changes can result in overheating, decreased performance, and eventually engine failure. Check your vehicle’s manual for the recommended oil change intervals and stick to them to keep your engine healthy.
2. Ignoring Warning Lights
Those glowing warning lights on your dashboard aren’t just for decoration—they’re your car’s way of telling you something’s wrong. Ignoring them can turn minor issues into major problems. For instance, a “check engine” light could indicate anything from a loose gas cap to a failing catalytic converter. Delaying a diagnosis might lead to costly repairs down the road. Always address warning lights promptly by consulting your mechanic or using a diagnostic tool to identify the issue.
3. Neglecting Tire Pressure
Underinflated or overinflated tires can cause uneven wear, reduce fuel efficiency, and increase the risk of blowouts. Tires that aren’t properly inflated can also compromise your car’s handling and braking performance. Most drivers overlook tire pressure until it becomes a visible issue, but by then, it’s often too late. Check your tire pressure monthly and before long trips, ensuring it matches the recommended levels listed in your car’s manual or on the driver’s door panel.
4. Forgetting to Replace Air Filters
Your car’s engine air filter plays a crucial role in keeping dirt, debris, and contaminants out of the engine. A clogged air filter restricts airflow, reducing fuel efficiency and overall engine performance. Many drivers forget to replace their air filters, leading to unnecessary strain on the engine. Check your air filter every 12,000 to 15,000 miles, or more frequently if you drive in dusty conditions, and replace it as needed to maintain optimal performance.
5. Using the Wrong Fuel
Filling up with the wrong fuel grade may not seem like a big deal, but it can have serious consequences for your engine. High-performance vehicles often require premium fuel, and using regular gas can lead to knocking, reduced efficiency, and long-term damage. On the flip side, using premium fuel in a car designed for regular gas is simply a waste of money. Always refer to your vehicle’s manual to determine the correct fuel type and stick to it.
6. Overloading Your Car
Your car is designed to handle a specific weight capacity, and exceeding it can cause significant wear and tear. Overloading strains your suspension, brakes, and tires, leading to decreased performance and potential safety risks. It can also negatively affect your fuel economy and increase the likelihood of overheating. Be mindful of your car’s maximum load capacity and avoid using your vehicle as a storage unit for heavy items.
7. Delaying Brake Maintenance
Your car’s brakes are essential for safety, yet many drivers delay brake maintenance until it’s too late. Worn brake pads can damage rotors and increase stopping distances, putting you and others at risk. Ignoring squealing, grinding, or vibrations when braking are clear signs of trouble. Regularly inspect your brakes and replace pads when they show signs of wear to avoid costly repairs and ensure your vehicle stops safely.
8. Skipping Scheduled Maintenance
Every vehicle comes with a maintenance schedule designed to keep it running smoothly. Skipping these appointments may save you time and money in the short term, but it often leads to expensive repairs later on. Regular maintenance checks catch potential problems early, like worn belts, leaking fluids, or failing components. By following your car’s maintenance schedule, you can extend its lifespan and save money on avoidable repairs.
Maintenance Is Not Complicated
Taking care of your car doesn’t have to be complicated, but avoiding these common maintenance mistakes can make all the difference. Regular checkups, timely repairs, and proper upkeep are key to ensuring your car runs safely and efficiently for years to come.
Have you made some of these maintenance mistakes with your vehicle? What resulted from the mistakes? Let us know in the comments below.
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Drew Blankenship is a former Porsche technician who writes and develops content full-time. He lives in North Carolina, where he enjoys spending time with his wife and two children. While Drew no longer gets his hands dirty modifying Porsches, he still loves motorsport and avidly watches Formula 1.