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Keeping your car in top shape at 120,000 miles requires diligent routine maintenance. This guide provides essential information for car owners, repair shops, and technicians on maintaining vehicles with this mileage.

Understanding Your Car’s Needs at 120,000 Miles

Reaching the 120,000-mile mark is a significant milestone for any vehicle. Parts wear down, and systems require more attention. Understanding what your car needs at this stage is crucial for its longevity and performance. Ignoring routine maintenance can lead to costly repairs down the road.

Key Maintenance Tasks for Cars with 120000 Miles

At 120,000 miles, several key maintenance tasks become vital. These include checking your fluids, inspecting belts and hoses, and addressing your spark plugs.

Checking Vital Fluids

Regular fluid checks are essential. Don’t overlook these! Check your engine oil, transmission fluid, coolant, brake fluid, and power steering fluid. Low or dirty fluids can significantly impact your car’s performance and lead to damage.

• Engine Oil: Look for discoloration or a burnt smell. Consider switching to a high-mileage oil for better engine protection.
• Transmission Fluid: Check the color and smell. A burnt odor can indicate serious transmission problems.
• Coolant: Ensure the coolant level is within the recommended range and isn’t leaking.
• Brake Fluid: Low brake fluid can be a safety hazard. Check for leaks and ensure the fluid is clear.
• Power Steering Fluid: Low fluid can make steering difficult.

Inspecting Belts and Hoses

Belts and hoses are prone to cracking and wear over time. Inspect them for signs of damage and replace them as needed. A broken belt can leave you stranded.

• Serpentine Belt: Check for cracks, fraying, or glazing.
• Hoses: Look for bulges, leaks, or soft spots.

Addressing Spark Plugs and Ignition System

Spark plugs play a vital role in engine performance. At 120,000 miles, they likely need replacing. A faulty ignition system can lead to misfires and reduced fuel efficiency.

• Spark Plugs: Replace them according to your car’s manufacturer recommendations.
• Ignition Coils/Wires: Check for damage and replace as necessary.

Other Important Maintenance Considerations

Beyond the core maintenance tasks, other aspects require attention at 120,000 miles. Think about your tires, brakes, and filters.

Tires, Brakes, and Filters

• Tires: Check tire pressure and tread depth. Consider replacing tires if they are worn or aged. Rotate tires regularly for even wear.
• Brakes: Inspect brake pads and rotors for wear. Replace them if necessary. Brake fluid should also be flushed and replaced.
• Filters: Replace the air filter, cabin air filter, and fuel filter. These filters keep your engine running smoothly and the air inside your car clean.

What Happens if I Don’t Perform Routine Maintenance?

Neglecting routine maintenance at high mileage can lead to significant problems, including engine failure, transmission issues, and costly repairs.

“Preventative maintenance is always cheaper than reactive repairs. At 120,000 miles, sticking to a regular maintenance schedule can save you a lot of headaches and money in the long run.” – John Smith, ASE Certified Master Technician

Conclusion

Routine maintenance for cars with 120,000 miles is critical for maintaining reliability and performance. By addressing these key maintenance tasks, you can extend your car’s lifespan and avoid expensive repairs. Need help? Connect with AutoTipPro for expert advice and assistance at +1 (641) 206-8880. Our office is located at 500 N St Mary’s St, San Antonio, TX 78205, United States.