5 Essential Car Service and Maintenance Tips for Vehicles With Over 100,000 Miles

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As vehicles rack up miles, they need extra care and attention to keep running smoothly and reliably. Cars that have surpassed the 100,000-mile mark are susceptible to various problems, ranging from engine wear to electrical issues.

Nevertheless, by providing them with the necessary maintenance and care, these vehicles can carry on serving their owners for many more miles.

Let’s look at five handy tips for servicing and maintaining cars with over 100,000 miles, enabling you to prolong their lifespan even further and guarantee a hassle-free driving experience.

Ensure a comprehensive brake system check

The brake system plays a central role in keeping you and other drivers safe on the road. Over time, the brake pads, rotors, and calipers can wear out, diminishing their effectiveness. High-mileage vehicles are particularly susceptible to brake-related issues.

That’s why you should have your brakes regularly inspected. Be sure to replace worn brake pads, resurface or replace damaged rotors, and ensure proper lubrication of the caliper slides.

Moreover, flush and replace the brake fluid every two years (or as per the manufacturer’s guidelines), as this helps preserve their overall integrity and prevents brake fade.

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Inspect and replace belts and hoses

Belts and hoses ensure the proper functioning of your car’s engine and various other systems. Over time, they can degrade, become brittle, or develop cracks. Regular inspections and prompt replacements are necessary to avoid sudden breakdowns.

Be sure to monitor the following three key components:

• serpentine belt,
• timing belt (if applicable),
• radiator hoses.

Replace these parts as soon as possible if you notice any signs of wear, such as fraying, cracking, or bulging. This proactive measure can spare you from more severe engine damage in the future.

Moreover, because the water pump and thermostat are close to each other, it’s convenient to repair them at the same time as the timing belt. Doing so can help you save on labor costs in the long term.

Regularly check and change oil and fluids

Regular fluid checkups are essential for proper vehicle maintenance, especially for high-mileage cars. Ensure that the following components are at the correct levels and contaminant-free:

• engine oil,
• transmission fluid,
• coolant,
• power steering fluids,
• brake fluid

Over time, fluids can degrade, leading to problems such as engine overheating, poor shifting, or reduced braking efficiency.

Transmission fluid deserves special mention here. This type of specialized fluid lubricates and cools the transmission system, so use premium products such as the MaxLife transmission fluid to ensure optimal performance and longevity of your transmission system.

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Keep a close eye on the suspension and steering systems

As your car ages, it’s natural for the suspension and steering components to experience wear and tear. This results in reduced stability and compromised handling. You should regularly examine the shocks, struts, control arms, tie rods, and bushings for any signs of damage or excessive play.

It is recommended to have a qualified mechanic inspect and fix any problems you notice, such as leaky shocks, uneven tire wear, or excessive steering wheel vibration. By maintaining a sturdy suspension and steering system, you will enhance your overall driving experience and ensure safety on the road.

Also, consider upgrading to aftermarket suspension components for high-mileage vehicles to improve ride comfort and handling.

Pay attention to the electrical system

Diagnosing and repairing electrical problems, especially in older vehicles, can present a considerable challenge. Indications of such issues may include malfunctioning lights, faulty power windows, and intermittent electrical failures.

To maintain a well-functioning electrical system in your car, it’s advisable to regularly check and clean the battery terminals, inspect the wiring for any damage or corrosion, and ensure the proper operation of fuses and relays.

If you encounter persistent electrical problems, seek assistance from a qualified technician with expertise in electrical diagnostics and repairs.

Furthermore, upgrading to a battery with a higher cold cranking amp (CCA) rating can provide reliable starting power, particularly in colder climates, offering added assurance.

Your car has successfully completed an impressive milestone of more than 100,000 miles, demonstrating its toughness and endurance. With diligent maintenance, it will continue to faithfully serve you. Embrace the opportunities that lie ahead, confident in the knowledge that your well-maintained car will accompany you on many more memorable journeys in the future.