Locations
About J&R Service Center - Diamond, IL
Serving Diamond, IL with Reliable Auto Repair Since 1996
J&R Service Center – Diamond, IL, has proudly delivered trusted automotive repair and maintenance services for local drivers since 1996. Specializing in general auto repair for domestic, Asian, and European vehicles, our Diamond location offers everything from oil changes and brake work to complete diagnostics and repair. Staffed by ASE Certified Master Technicians, we guarantee expert workmanship backed by a 3-year/50,000-mile parts and labor warranty on most repairs. When you bring your vehicle to our shop, you’re choosing experience, quality, and a team that puts your needs first.
A Local Shop with Deep Community Roots
Our Diamond location isn’t just another repair shop—it’s a trusted part of the community. We serve drivers throughout Grundy County and beyond who value honest, thorough service. What keeps our customers coming back is the same family-friendly atmosphere we’ve maintained for nearly three decades. From first-time visitors to long-time clients, we make sure everyone receives the same dependable care and attention to detail. At J&R Service Center, we don’t just fix cars—we earn your trust, one visit at a time.
A Bit About Us
Built on Trust and Integrity
Skilled Auto Technicians in Diamond, IL
At the core of J&R Service Center’s operations is a simple philosophy: do the right thing, every time. In Diamond, IL, that means showing up every day with a commitment to ethical service, honest communication, and dependable repairs. We believe that trust is earned, not assumed, which is why we prioritize transparency at every stage of your visit—from diagnosis to final inspection. Our ASE Certified Master Technicians treat every vehicle as if it were their own, and that care shows in the quality of our work.
We also believe in building lasting relationships with our customers. That’s why we take the time to get to know you, your driving habits, and your vehicle’s needs. Whether you're maintaining a commuter car or caring for a family SUV, we aim to be your long-term automotive partner. At our Diamond location, we don't just fix cars—we help drivers feel confident every mile of the way.
What We Do
Automotive Services
Expert Auto Service in Illinois
Brake System Repair
Keep your vehicle safe and responsive with expert brake system repair, essential for maintaining control and reducing stopping distances in any driving conditions.
Heating & Air Conditioning
Ensure year-round comfort and clear visibility with professional heating and A/C services, vital for safe driving during extreme temperatures and weather changes.
Transmission Install & Rebuild
Protect your vehicle’s performance and longevity with precise transmission install and rebuild services, critical for smooth shifting and reliable power delivery.
Why Choose Us
Benefits and Amenities
Experience, Trust, and Quality You Can Count On
At J&R Service Center, we combine decades of hands-on experience with a commitment to honest service and high-quality repairs. Our ASE Certified Master Technicians take pride in delivering reliable results backed by a 3-year/50,000-mile warranty, ensuring your confidence every time you visit.
Honesty in Every Repair
Clear, trustworthy service every time.
Commitment to Quality
Repairs done right for lasting results.
Respect for Every Customer
Every customer and vehicle matters to us.
Testimonials
Our Reviews
"This shop went above and beyond to make sure my vehicle was safe and running the way it should. I will be forever grateful for the honest work they did and at a very fair price. I recommend them to anyone. Even if you have to drive out of your hometown. They are worth it."
by Amber Berg
"Our alternator went out on the way to Chicago and we ended up stopping by. They were able to fit us in same day and were able to fix it for us at a reasonable price. Very friendly customer service and I felt like I was in good hands!"
by Janus Esclair
"Best auto repair/tow shop ever! The lengths they went to help me out was incredible. Hard to find people that are this great anymore. Lucas even gave me rides to and from my hotel due to my car being down. Do yourself a favor and call no other shop around!"
by Hunter Lien
Get Directions
Auto Repair Mechanic Nearby
Trusted Car Repair and Maintenance in Illinois and Surrounding Areas
Located in Diamond and Gardner, IL, J&R Service Center proudly serves as your reliable destination for expert automotive and heavy-duty truck repairs. Whether you need routine maintenance for your car or specialized mobile truck services, our skilled ASE Certified Master Technicians are here to deliver outstanding care backed by a 3-year/50,000-mile parts and labor warranty.
Our convenient locations make it easy for drivers across Grundy County and surrounding areas to access trusted, family-friendly automotive services.
- Diamond
- Wilmington
- Verona
- Reddick
- Minooka
- Rockdale
- Gardner
- Braceville
- Mazon
- Campus
- Morris
- Elwood
- Coal City
- South Wilmington
- Essex
- Symerton
- Emington
- Manhattan
- Braidwood
- Dwight
- Godley
- Channahon
- Kinsman
- Joliet
