The Miles Car Maintenance Blog.
Practical guides on tracking car maintenance, picking the right service intervals, and getting more money for your car when you sell it.
October 23, 2026 · 6 min read
Car Sat All Winter? Check This Before Driving
Before the first drive, check the battery, tires, fluids, brakes, engine bay, and recall status so a short trip does not become a tow.
October 20, 2026 · 6 min read
Lost Your Service Records? Get Them Back
Missing paperwork before a sale is not the end of the history. Where to recover it from the dealer, independent shops, and VIN history reports.
October 13, 2026 · 6 min read
Your timing belt is due. Is skipping it a gamble?
The exact engine decides what a broken timing belt can damage. How to confirm your risk, choose the service scope, and keep the record.
October 9, 2026 · 6 min read
It hesitates when you accelerate. What do you do?
A stumble has a pattern. What it tells you about the safety deadline, the notes a shop needs, and why replacing parts from a list is not diagnosis.
October 6, 2026 · 7 min read
It squeals until it warms up. Safe to drive?
The pattern of the noise tells you whether it will strand you. What the belt is driving, and why belt dressing only buys a week.
October 2, 2026 · 7 min read
Your car pulls to one side. Alignment, or something worse?
A pull has four shapes and each points somewhere else. The two driveway checks that narrow it, and why an alignment often cannot fix it.
September 29, 2026 · 7 min read
The temp gauge is climbing. Here is what to do.
Every guide lists nine causes. Stopped on the shoulder you need the order to do things in, the cap you must not touch, and whether it drives again.
September 25, 2026 · 7 min read
Your tire light is on and the tires look fine.
A tire can sit a quarter below its placard pressure and still look normal. How to settle it with a gauge in five minutes, and when it really is the sensor.
September 22, 2026 · 7 min read
Your brakes started making a noise. Squeal or grind?
A morning squeal that fades is a surface film. One that stays all day is usually the wear tab. Grinding is the one you stop for. How to sort them, and what to tell the shop.
September 15, 2026 · 7 min read
Your manual has two schedules. Which one is your commute?
The severe column is not just for tow trucks. How to tell whether your commute qualifies, which services it actually moves earlier, and which it leaves alone.
September 8, 2026 · 6 min read
Your winter car checklist, before the first freeze.
Sorted by lead time rather than by system: the two jobs that need a shop slot before the cold arrives, and the ten-minute checks you can do at home.
September 4, 2026 · 7 min read
Your car just passed 150,000 miles. Keep it?
Condition and history matter more than the odometer at this age. How to judge each repair against how long you actually plan to keep the car.
September 1, 2026 · 7 min read
The shop says you need four more things. Do you?
Three buckets, four questions to ask at the counter, and the one piece of information that settles half the list: when each item was actually last done.
August 28, 2026 · 7 min read
Your warranty just ended. Dealer or independent shop?
Sort the job, not the shop: which work still belongs at a dealer, what federal law says about independent servicing, and the record that breaks when you switch.
August 25, 2026 · 7 min read
You inherited a car. What to check before you drive it.
The mechanical half the paperwork guides skip: open recalls on the VIN, what standing still did to the car, and how to rebuild a history nobody is left to explain.
August 23, 2026 · 7 min read
Your lease ends soon. What to fix, and what to leave.
What the return inspection charges you for, why unproven servicing is billable, which repairs are worth doing first, and what to leave alone.
August 7, 2026 · 7 min read
The seller has no service history. Walk away, or discount?
How to reconstruct a missing history from the VIN, which long-interval services the gap actually exposes you to, how to brief the inspection, and how to price the unknown.
August 4, 2026 · 7 min read
You booked a pre-purchase inspection. Here is what it covers.
What the mechanic checks on a lift and on the road, the five things two hours cannot tell you, how to brief the shop first, and what to do with the report.
August 3, 2026 · 6 min read
Did skipping a service void my warranty?
Missing a scheduled service rarely voids a warranty outright. Federal law limits what a manufacturer can refuse, and the burden of proving the missed service caused the failure is theirs.
July 31, 2026 · 6 min read
When to replace your windshield wiper blades
Wiper blades have no mileage interval, because they age in the sun rather than on the odometer. What each symptom means, and why new blades sometimes still smear.
June 9, 2026 · 9 min read
How to track car maintenance: the complete guide
Why a real maintenance log pays for itself the day you sell, what to actually write down for every service, and how to pick intervals that match how you drive.
June 9, 2026 · 7 min read
When to change your engine oil: real intervals by car
The 3,000-mile rule is mostly marketing. Here’s what manufacturers, mechanics, and oil chemists actually recommend — and how to decide which interval is right for your car.
June 13, 2026 · 6 min read
How often should you rotate your tires?
Roughly every 5,000 to 8,000 miles, and many people just do it at every oil change. The interval range, the pattern for your drivetrain, and the signs you’re overdue.
June 13, 2026 · 7 min read
Brake pads and rotors: when to replace them
How long pads and rotors really last, what squealing versus grinding means, and why catching worn pads early saves your rotors and your money.
June 13, 2026 · 6 min read
When to change your transmission fluid
Real interval ranges for automatic, manual, and CVT transmissions, the honest truth about “lifetime” fluid, and the warning signs to watch for.
June 13, 2026 · 6 min read
Engine and cabin air filter replacement schedule
Your car has two air filters, not one. The intervals for each, the warning signs (weak A/C, musty smell), and how to keep both on schedule.
June 13, 2026 · 6 min read
When to change your brake fluid
A different job from brake pads. Brake fluid is mostly time-based — commonly every 2 to 3 years — because it absorbs moisture, and it is one of the most overlooked services.
June 13, 2026 · 7 min read
When to change engine coolant (antifreeze)
Older coolant around every 30,000 miles, modern long-life types far less often. Why coolant type matters, the warning signs, and the safety cautions.
June 13, 2026 · 6 min read
When to replace your spark plugs
Roughly 30,000 miles for copper, 60,000 for platinum, 100,000 for iridium. Why the material changes the interval and the signs of worn plugs.
June 13, 2026 · 6 min read
How long do car batteries last?
Roughly 3 to 5 years, but heat is the real killer and cold just exposes a weak one. The warning signs, and why you should test before you replace.
June 13, 2026 · 7 min read
Electric car maintenance: what you actually need
No oil changes or spark plugs, but lower-maintenance is not no-maintenance. The short list an EV still needs — tires, brake fluid, cabin filter, the 12V battery.
June 13, 2026 · 7 min read
Maintenance records to keep when selling a used car
The paperwork does a lot of the selling. The full checklist of what to gather — and how to share it without giving away your personal information.
June 9, 2026 · 8 min read
Best car maintenance apps for iPhone in 2026 (honest comparison)
Miles, Drivvo, AUTOsist, Simply Auto, and Carfax Car Care. Pricing, features, privacy, and what to actually pick.