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Auto Repair in Washington, MO and Surrounding Areas

Located in and Serving Gray Summit and Washington, MO

Trusted Auto Care Since 1965

Trusted Automotive Experts in Washington, MO

Tri-County Firestone is your local source for dependable automotive care backed by years of experience and a commitment to customer satisfaction. Our shop is built on the foundation of quality, consistency, and honesty—values we bring to every job, whether you’re here for routine maintenance or facing a more complex vehicle issue.



We believe your vehicle deserves the same level of attention and precision as any major investment. That’s why our trained technicians take the time to listen to your concerns, thoroughly inspect your vehicle, and recommend solutions that serve your best interests. When it comes to reliable auto repair in Washington, MO, our community has counted on us for decades.

A Team You Can Count On

Our shop is staffed with experienced, ASE-certified technicians who are passionate about what they do. Their knowledge spans a wide range of makes and models, both foreign and domestic, and they stay updated with the latest diagnostic tools and repair techniques. Their expertise ensures that every repair meets the highest standards of safety, reliability, and performance.



We’ve built a culture of teamwork and professionalism. From the front desk to the service bays, our employees prioritize transparency, communication, and technical excellence. When you trust Tri-County Firestone, you're not just getting a repair—you’re gaining a team that genuinely cares about your safety and satisfaction. For dependable auto repair in Pacific, MO, and surrounding areas, experience makes all the difference.

Services We Offer

Tri-County Firestone is a full-service auto repair facility, offering a wide range of diagnostics, maintenance, and repair services. Whether your check engine light is on or you need a new set of tires, we provide dependable auto repair in Pacific, MO for every part of your vehicle. Our technicians perform inspections and repairs with precision, always using high-quality parts and following manufacturer guidelines.

Our services include:

• Tire installation, balancing, and alignments
• Brake repairs and replacements
• Engine diagnostics and tune-ups
• Oil changes and fluid flushes
• Air conditioning and heating system repairs
• Electrical system testing and battery replacement
• Suspension and steering system repairs
• Transmission service and clutch work
• State inspections and preventive maintenance

We also provide comprehensive support for both gasoline and hybrid vehicles. For drivers in need of auto repair in Pacific, MO or auto repair in Washington, MO, Tri-County Firestone is proud to be a go-to local resource.

Choose Us for Warrantied Work and Transparent Pricing

Our Approach to Customer Service

At Tri-County Firestone, we understand that dealing with car problems can be overwhelming, which is why we work hard to make the experience as straightforward as possible. From the moment you arrive, our team is committed to treating you with respect, honesty, and professionalism. We know that trust is essential in auto care, so we take the time to answer your questions and explain every step clearly.

We believe that transparency builds confidence, which is why our estimates are fair, detailed, and free of surprises. Our technicians walk you through recommended services, prioritize urgent needs, and never pressure you into unnecessary repairs. Our goal is to empower every customer with the knowledge they need to make the right decisions for their vehicle. When you leave our shop, we want you to feel confident not just in the repair—but in the people who performed it.



Our approach to customer service is rooted in relationships. Many of our clients have been coming to us for years—and for good reason. We prioritize long-term trust over quick fixes, helping drivers feel supported no matter their automotive needs. That's the type of service you can expect from a trusted name in auto repair in Washington, MO.

Why Routine Maintenance Matters

Routine maintenance isn’t just about avoiding breakdowns—it’s about preserving your vehicle’s performance, fuel efficiency, and long-term reliability. A well-maintained vehicle is safer, lasts longer, and costs less over time. Even basic services can make a big difference. Regular inspections also give technicians the chance to catch early signs of wear before they escalate into costly repairs.

Here’s how routine maintenance helps:

• Improves fuel economy by keeping your engine clean and efficient
• Reduces repair costs by identifying minor issues early
• Extends vehicle life through regular part replacements
• Enhances safety by ensuring brakes, tires, and lights are in top condition
• Maintains resale value with a documented service history

With trusted professionals who understand local driving conditions, Tri-County Firestone is your dependable choice for consistent auto repair in Pacific, MO and Washington, MO. Their familiarity with the area's roads, seasonal challenges, and common vehicle issues allows them to deliver tailored service that keeps your car running smoothly year-round.

Modern Tools, Reliable Results

As vehicles continue to evolve, so does the technology needed to diagnose and repair them. At Tri-County Firestone, we invest in the latest diagnostic equipment to ensure fast and accurate assessments. Our tools allow us to pinpoint issues without unnecessary guesswork—saving you both time and money.

This technology is especially important for newer vehicles, which are increasingly dependent on electronic systems. From engine sensors to advanced driver-assistance features, our team has the expertise to work with modern systems safely and effectively. That's why more drivers looking for advanced auto repair in Washington, MO, turn to Tri-County Firestone for support they can trust.

Locally Owned, Community-Focused

Tri-County Firestone isn’t just a name—it’s a part of the Washington community. As a locally owned and operated business, we take pride in serving our neighbors with the honesty and dedication they deserve. Our shop has built its reputation not only through excellent service, but also through community involvement and support.



We live here, work here, and drive the same roads as our customers. That shared experience gives us a deeper understanding of the region's driving conditions and the unique automotive needs that come with it. That’s why we’re a top choice for auto repair in Washington, MO and one of the most respected names for auto repair in Pacific, MO.

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Here's what our satisfied customers are saying...

At Tri-County Firestone Service Center, we take pride in providing exceptional tire and auto services to our customers. We would be grateful if you could share your thoughts about our local, family-owned business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review of Tri-County Firestone Service Center and let others know what you think.