What Happens If You Don’t Change Your Oil?

(Last Updated On: March 13, 2024)

You’ve probably heard this advice before: frequently change your car oil. This is a critical aspect of maintaining your vehicle. But what are the implications if your oil isn’t changed? Why is it deemed so crucial?

Well, the short answer is that your car will break down and stop working. If you’re lucky, this might just mean that you’ll need to replace an engine component. If you’re not so fortunate, it could mean more expensive problems like engine failure.

You can save yourself money in the long run by taking care of your car from day one and following this simple rule: Change your oil on time. This article will look at reasons why you should do that and what happens if you don’t follow the rule.

Why should you change your car oil?

Promote Vehicle Longevity

Changing your oil regularly is necessary to keep the engine in top shape and running efficiently for longer. Any dirty oil you have in there will begin to wreck and damage components of the engine if it’s left for too long. When you change out old oil for new, the new oil allows the engine to continue running smoothly and optimally for as long as you own your car.

Improve Engine Performance

Your engine and oil go hand in hand. The engine needs clean oil to function correctly as it lubricates and cools down the engine’s moving parts. This is especially true with motor vehicles which have a lot of miles on them.

Even in a car with over a hundred thousand miles, a well-oiled engine will contribute to improved engine performance, which ultimately translates to a smoother drive and better driving.

Keep Engine Cooler

The oil in your engine plays a crucial role in keeping the engine cool. Lubrication of the moving parts and dispersing heat away from them will help keep things nice and comfortable.

If your car is using dirty oil or worse, if there isn’t enough oil, it will be unable to do these two things for you. Without proper lubrication and dispersal of heat, it will get hot fast and exceed temperature limits which manufacturers often establish. An engine that gets too hot could lead to significant and even expensive damage from engine components failing.

Remove Particles and Sludge

The oil filter in your car is meant to keep particles and other contaminants from going into the engine. It also helps keep them out of the oil, which then continues circulating throughout the vehicle.

Changing your oil regularly will help you avoid having problems down the line due to rogue particles and sludge. Doing so will ensure better efficiency for your engine and allow you to save money spent on repairs.

Improve Gas Mileage

When you change your oil, it doesn’t just clean out the dirt and grime inside. It also removes harmful fluids that can potentially build up in the engine and cause unnecessary wear and tear. This ultimately helps save gas by improving performance and keeping things running smoothly.

Lubricate the Engine

The oil used in your engine is designed to act as a lubricant, which helps stop moving parts from grinding against each other. This lubrication reduces friction, which can ultimately lead to a reduction in energy loss and fuel consumption.

In addition, too much friction between your engine components could mean that you have to replace certain parts sooner than if they weren’t rubbing together.

One thing to keep in mind when changing your oil is to choose the correct oil type for your engine.

Skipping Oil Changes Can Lead to Engine Trouble

It may seem like a time-consuming task at first, but regular oil changes will save you time in the long run by helping prolong the life of your car’s engine with little effort on your part. With just one trip every three months or 5,000 miles, you’ll be getting every mile out of your car that it can give you.

Of course, there’s also the fact that skipping an oil change can be pretty costly if you let it go too long and your engine is damaged as a result. When you get to that point, it’s better to get a bad credit auto loan and start over with a better car. 

So don’t risk damaging something that costs thousands to fix or replace – just stick with your regular maintenance schedule and keep an eye on your oil levels. Remember, preventative maintenance now is always better than costly repairs later.

This is what can happen to your car if you don’t change your car oil


When your engine is running at optimum levels, it will ultimately lead to a more enjoyable and trouble-free experience when driving. By changing your oil regularly, you keep everything in working order, ensuring overall safety and protection for all drivers on the road, including yourself.

By following these simple recommendations, you can help make sure that your car will run longer and more efficiently while helping to keep repairs cheap and under control. While there are no guarantees that accidents won’t happen, good maintenance like this is one way to help give a little extra peace of mind.

Read more: How often to change transmission fluid

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