09/22/2026
Techy Tuesday!
Oil changes are important because engine oil does much more than lubricate your engine. It also helps carry heat away, suspend contaminants, protect against corrosion, and keep internal parts clean.
🛢️ When should you change your oil?
The best interval depends on the vehicle, oil, and driving conditions:
Full synthetic oil: usually 5,000–10,000 miles or about 6–12 months
Synthetic blend oil: often 3,000–5,000 miles.
Mostly short trips, stop-and-go, towing, dusty roads, or severe temperatures: you may need it more frequently.
Low-mileage vehicle: don't just go by mileage—oil can still degrade with time, so at least once a year is a good general rule unless your manufacturer specifies otherwise.
Your owner's manual is the final authority. Many newer cars have an oil-life monitoring system that calculates the interval based on how the vehicle is actually driven. What does your manual suggest?
🔧 Why change it?
Over time, engine oil:
Breaks down from heat — its ability to protect moving parts decreases.
Gets contaminated — fuel, moisture, dirt, and combustion byproducts accumulate.
Loses its additives — detergents and anti-wear additives become less effective.
Can form sludge/deposits — particularly with neglected or severe-service vehicles.
Provides less protection against wear — increasing friction and potentially accelerating engine wear.
🚨 Don't wait for these symptoms
An oil change shouldn't be based on the engine looking or sounding bad. By the time you notice things like ticking, excessive oil consumption, an oil-pressure warning, or engine noise, you're potentially already dealing with a problem.
One important distinction: If the oil-pressure warning light comes on while driving, that's not a "time for an oil change" reminder. Stop the engine as soon as it's safe and investigate it, because low oil pressure can cause serious engine damage quickly.
