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What Does the 90,000-Mile Service Include?

What Does the 90,000-Mile Service Include? | Rainier Automotive

As your vehicle reaches higher mileage milestones, staying on top of its maintenance is crucial to ensure optimal performance and longevity. The 90,000-mile service is a significant milestone in a car's lifespan, signaling the need for comprehensive maintenance and inspection. But what exactly does this service entail, and why is it essential?

The Importance of Regular Maintenance

Before diving into the specifics of the 90,000-mile service, let's briefly discuss the importance of regular maintenance for your vehicle. Just like you visit the doctor for routine check-ups to maintain your health, your car requires regular maintenance to stay in top condition. Neglecting maintenance tasks can lead to decreased performance, increased fuel consumption, and even costly repairs. By staying proactive with maintenance, you can extend your vehicle's lifespan and enjoy a smoother, safer driving experience.

Overview of the 90,000-Mile Service

At 90,000 miles, your vehicle has likely been through a lot, and certain components may show signs of wear and tear. The 90,000-mile service is designed to address these issues and perform preventive maintenance to keep your car running smoothly. While the specific tasks included in the service may vary depending on the make and model of your vehicle, there are several common tasks that are typically performed during the 90,000-mile service.

Key Components Checked and Serviced

During the 90,000-mile service, a qualified technician will conduct a thorough inspection of various components to ensure they are functioning correctly and address any potential issues. Some of the key components checked and serviced during the 90,000-mile service may include:

Timing Belt Replacement
One of the most critical tasks at the 90,000-mile mark is replacing the timing belt. Timing belts are responsible for synchronizing the rotation of the engine's camshaft and crankshaft, and failure to replace a worn or damaged timing belt can result in catastrophic engine damage.

Fluid Flush and Replacement
Fluids play a crucial role in the proper functioning of your vehicle's systems. During the 90,000-mile service, the technician will typically flush and replace essential fluids such as engine oil, transmission fluid, coolant, brake fluid, and power steering fluid.

Filter Replacement
Filters, including the engine air filter, cabin air filter, and fuel filter, will be inspected and replaced if necessary. Clean filters are essential for maintaining optimal engine performance and air quality inside the vehicle.

Brake Inspection and Service
The braking system will be thoroughly inspected for signs of wear, and brake pads, rotors, and calipers may be replaced if needed. Ensuring your brakes are in good condition is crucial for safety on the road.

Suspension and Steering Check
The suspension and steering components will be inspected for signs of wear or damage, and any necessary repairs or adjustments will be made to ensure proper alignment and handling.

Additional Maintenance Tasks

In addition to the tasks mentioned above, the 90,000-mile service may also include:

  • Spark Plug Replacement: Spark plugs play a crucial role in the ignition process and should be replaced at regular intervals to maintain engine performance and fuel efficiency.
  • Battery Inspection: The battery will be inspected for signs of corrosion or wear, and its performance will be tested to ensure it is holding a charge effectively.
  • Tire Rotation and Inspection: Tires will be rotated to promote even wear and inspected for signs of damage or uneven wear patterns.

Why Is the 90,000-Mile Service Important?

The 90,000-mile service is essential for several reasons:

  • Preventive Maintenance: Addressing potential issues before they escalate can prevent costly repairs and breakdowns in the future.
  • Safety: Ensuring critical components like brakes and suspension are in good condition is crucial for safety on the road.
  • Longevity: Regular maintenance helps extend the lifespan of your vehicle, allowing you to enjoy reliable transportation for years to come.

When Should You Schedule the 90,000-Mile Service?

Consult your vehicle's owner's manual or manufacturer recommendations to determine the appropriate timing for the 90,000-mile service. Depending on driving habits and conditions, most vehicles will reach this milestone around 5 to 7 years of ownership.


Experience peace of mind on the road by trusting Rainier Automotive with your 90,000-mile service needs. Schedule now and let our skilled technicians keep your vehicle in optimal condition!

23933 SE 264th St. Ste. A Maple Valley, WA 98038 (425) 310-1100
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