Oil changes have a reputation problem. They’re so routine that people treat them as a chore to get over with as fast and cheap as possible, which is how the fifteen-minute drive-through model took over.
The trouble is that speed removes the most valuable part of the whole thing. When your car is up on a lift with the entire underside exposed and somebody competent is looking at it, that’s the best regular opportunity anyone gets to catch a problem while it’s still small.
What oil actually does
Lubrication is the obvious job, but it’s not the only one.
Oil carries heat away from the parts of your engine that get hottest. It picks up the soot and grit that burning fuel creates and carries it off to the filter. Cleaning agents mixed into it keep deposits from building up on the surfaces inside. And in most newer engines it also works under pressure to operate moving parts inside the engine, which is why old or low oil can make a car run rough for reasons that seem to have nothing to do with lubrication.
Those added ingredients get used up over time, and that’s the real reason oil has a service interval. At 12,000 miles the oil is still slippery, but the cleaning and protective ingredients mixed into it are worn out. It looks like oil and moves like oil, and it has stopped doing most of its job.
How often
Follow what your manufacturer recommends, which for most modern vehicles running full synthetic falls somewhere between 5,000 and 10,000 miles. If your car has an oil life indicator on the dash, it’s calculating based on how you actually drive rather than a fixed number, and it’s usually smarter than a sticker on your windshield.
One thing that shortens the interval is short trips. An engine that never fully warms up doesn’t burn off the moisture and fuel that collect in the oil. If most of your driving is quick runs around Franklin, service at the shorter end of the range.
What we look at while it’s up there
This is the part that separates a real oil service from a drain and fill.
With the car on the lift we check for leaks around the engine and transmission. We look at the rubber boots protecting the joints in your front axles for cracks or grease slung around inside the wheel well, which is a problem that’s cheap to fix early and considerably more expensive later.
Read more: Clicking When You Turn? That’s Your CV Joint
We check the exhaust for rust holes and loose hangers. We inspect suspension parts, brake lines, and how your tires are wearing.
We also check your other fluids: transmission, brake, coolant, power steering, and washer. Level matters, but condition matters just as much. Brake fluid that’s turned dark brown is telling you something no dipstick reading can.
The filter isn’t optional
Skipping the filter to save a few dollars defeats the whole purpose. Once a filter is full, it stops filtering and lets oil bypass it entirely, so unfiltered oil circulates through your engine carrying everything the filter was supposed to catch. Every oil change gets a new filter.
Why this is the appointment that matters
Most of the expensive repairs we see started as something small that nobody looked at in time. A leaking gasket is minor. That same leak dripping onto a belt for a year is not. A cracked rubber boot is a modest fix. The failed joint that follows is considerably more.
Coming in every few thousand miles means somebody who knows what they’re looking at puts eyes on your entire vehicle several times a year. That’s the actual value, and it comes free with the service.
Schedule Your Service at Franklin Automotive
Franklin Automotive has served Franklin, Brentwood, Cool Springs, Spring Hill, Columbia, and Leiper’s Fork since 1999. We’re a family-owned NAPA AutoCare Center with ASE-certified technicians, and every qualifying repair is backed by our 3-year / 36,000-mile warranty. We also offer a free shuttle and complimentary inspections.
Call (615) 472-8052 or visit us at 307 5th Ave N, Franklin, TN 37064. We’re open Monday through Friday, 7:00 AM to 5:00 PM.
