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OUR BLOG

04/11/2025

Past 100K miles? No problem! Explore these high-mileage car maintenance tips to keep your car in top shape. Synthetic Solutions in Zebulon, NC, guides you to smoother drives and fewer repairs!

So, your car has hit the 100,000-mile milestone? That’s an achievement worth celebrating! Let’s be honest, though: keeping a high-mileage car running smoothly isn’t just about luck; it’s about giving it the care it needs.

With a bit of know-how and some smart habits, you can keep your trusty ride performing like a champ, avoid pricey repairs, and even hit 200,000 miles (or more!). In this blog, we’ll share actionable high-mileage car maintenance tips, from routine check-ups to smart driving habits. Whether in Raleigh, Zebulon, or beyond, these tips will help you keep your car rolling smoothly for miles to come.

A well-maintained rig lasts longer! Follow our high-mileage car maintenance tips and upgrade to AMSOIL’s synthetic oil for lasting engine protection. Call Synthetic Solutions in Raleigh & Zebulon, NC, at (888) 450-2658 or shop AMSOIL online now!

1. Routine Maintenance

Consistent maintenance is essential for a long-lasting, high-mileage car. To achieve this, follow your manufacturer’s recommended schedule. Focus on the following aspects:

  • Belts and hoses: Inspect them for cracks or wear and replace them as needed. A snapped belt can leave you stranded!
  • Spark plugs and ignition coils: Worn-out spark plugs can reduce fuel efficiency and performance. Replace them to keep your engine firing on all cylinders.
  • Battery and electrical system: Check for corrosion and ensure your battery is holding a charge. A weak battery can leave you stuck on a cold morning.
  • Air filter: A clean air filter ensures your engine breathes easily, improving performance and fuel economy.

2. Oil Changes

Oil fights grime, reduces wear, and keeps your engine running like a champ. For high-mileage vehicles, switching to synthetic oil is like giving your engine a power-up. It’s tougher, lasts longer, and handles heat and friction like a pro. Here’s how to keep your engine in tip-top shape:

  • Use high-quality synthetic oil designed for high-mileage engines.
  • Stick to the recommended oil change intervals (usually every 5,000–7,500 miles).
  • Check oil levels monthly and top off if needed.
  • Consider adding oil additives for extra engine protection and to reduce wear.

3. Fluid Checks

Your car relies on several fluids to function properly. Neglecting them can lead to costly repairs. Here’s what to monitor:

  • Engine coolant: Prevents overheating and corrosion. Check levels and top off as needed.
  • Transmission fluid: Ensures smooth gear shifts and extends transmission life. Look for discoloration or leaks.
  • Brake fluid: Maintains braking efficiency and safety. Low levels can compromise your ability to stop.
  • Power steering fluid: Keeps steering responsive. If your steering feels stiff, it might be time for a top-up.

Check fluid levels monthly and replace them according to your manufacturer’s guidelines.

Give your vehicle the best! AMSOIL Signature Series 0W-30 fights wear and extends engine life. Order from AMSOIL’s e-store or get yours at Synthetic Solutions in Raleigh & Zebulon, NC. Questions? Call (888) 450-2658 today!

4. Tire Care

Your tires are the only part of your car touching the road, so keeping them in top shape is crucial. Proper tire care improves safety, fuel efficiency, and handling. Follow these tips:

  • Check tire pressure monthly and inflate to the recommended PSI.
  • Rotate tires every 6,000–8,000 miles to ensure even wear.
  • Inspect your tires regularly for any cracks, bulges, or uneven wear on the tread.
  • Replace tires when the tread depth is below 2/32 of an inch.
  • Consider investing in high-quality tires designed for high-mileage vehicles.

5. Driving Habits

How you drive plays a big role in your car’s longevity. Adopt these habits to keep your high-mileage vehicle running smoothly:

  • Avoid aggressive driving, like rapid acceleration and hard braking.
  • Warm up the engine in cold weather before hitting the road.
  • Use cruise control on highways to maintain consistent speeds and improve fuel efficiency.
  • Avoid overloading your car, as excess weight strains the engine and suspension.

6. Seasonal Considerations

Seasonal changes can take a toll on your car. Here’s how to adapt your maintenance routine:

  • Winter: Make sure your antifreeze is topped up and switch to oil designed for colder weather. Don’t forget to test your battery—older ones tend to have a harder time in the cold.
  • Summer: Ensure your AC system is functioning, monitor coolant levels, and watch for signs of overheating.
  • Spring/Fall: Inspect brakes, wipers, and lights after harsh weather conditions.

7. When to Seek Professional Help

Even with the best care, high-mileage vehicles sometimes require professional attention. Don’t ignore these warning signs:

  • Unusual noises, like knocking, grinding, or squealing.
  • Warning lights on the dashboard.
  • Decreased performance or fuel efficiency.
  • Fluid leaks or burning smells.

A trusted mechanic can diagnose and address issues before they become major problems.

Keep your engine running strong with premium AMSOIL products! Call Synthetic Solutions in Raleigh & Zebulon, NC, at (888) 450-2658 or visit AMSOIL’s online store to stock up on top-tier car care essentials today!