A few drops of oil under your car might not seem like a big deal—but should you be worried? While it’s easy to dismiss as minor, even small leaks can lead to bigger issues if left unchecked. Whether it’s a stain on the driveway or a slow drip after every drive, deciding whether it’s safe to keep going or time to get it checked depends on more than just how your car feels behind the wheel.
What Happens When Oil Leaks
Oil is your engine’s lifeblood. It lubricates internal parts, keeps things cool, and helps prevent wear. Even a small drop in oil level can start to impact how well your engine runs. If that leak gets worse—or goes unnoticed—it can eventually lead to low oil pressure, poor lubrication, and increased heat inside the engine. That’s when serious damage can start to happen.
Some leaks drip onto hot surfaces like the exhaust manifold, which can create smoke or even a fire hazard in rare cases. So while your car might seem to run fine at first, the consequences can show up when you least expect them.
When a Minor Leak Is Safe
Not every leak is an emergency. Some vehicles, especially older ones, develop slow oil seepage over time. If the leak is just a few drops and you're checking the oil level regularly, you may be able to drive safely for a while. Many drivers go weeks or even months this way—but the key is keeping a close watch.
A small leak may come from a valve cover gasket or oil pan gasket. These aren’t typically urgent but should be repaired before they get worse. As long as the oil level stays above the minimum line and there are no performance issues, driving short distances is generally okay—though not ideal.
When It’s Time to Take Action
If you start seeing bigger puddles, if the leak is getting worse quickly, or if your oil light comes on—don’t wait. These are signs the leak has moved from “minor” to a problem that could leave you stranded or cause internal damage. You should also be concerned if:
- You smell burning oil inside the cabin
- Smoke is coming from under the hood
- You’re topping off oil frequently between changes
- The oil level drops below the dipstick’s safe range
A small issue can escalate into major engine trouble if not handled in time. Once oil pressure drops or vital components start running dry, you’re looking at serious repairs.
What Causes Small Oil Leaks
Even small leaks come from somewhere—and those sources tend to deteriorate with time. The most common causes include:
- Worn or brittle gaskets (especially the valve cover or oil pan)
- Loose or improperly installed oil filters
- Damaged oil drain plugs or washers
- Old, cracked seals around engine components
These components are all under constant pressure and temperature changes. A leak that starts slow can worsen quickly, especially with engine vibration, heat, and age.
Don’t Forget the Environmental Impact
Leaking oil doesn’t just affect your engine—it ends up on roads and driveways and eventually washes into the storm drain system. Even small leaks contribute to water pollution and are harmful to the environment. Fixing the issue not only saves your car—it helps keep your community clean too.
Auto Smart – Oil Leak Repair in Wichita, KS
Not sure how serious your oil leak is? Bring your vehicle to
Auto Smart in Wichita, KS, for a full inspection. We’ll find the source of the leak, explain what’s going on, and give you options that fit your budget and your schedule.