Reliable Auto Repair in
Gardner, IL

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 4444 Reviews

Locations

About J&R Truck and Mobile Service Center - Gardner, IL

Heavy-Duty Truck Expertise You Can Trust

At J&R Truck and Mobile Service Center in Gardner, IL, we specialize in medium- and heavy-duty truck diagnostics, repair, and mobile service solutions. Since opening our doors in 1996, we’ve built a strong reputation for delivering reliable repairs backed by expert knowledge, advanced equipment, and a deep understanding of the trucking industry. Whether your truck is in the shop or stranded on the highway, our team is ready to respond with dependable care and precision. We proudly stand behind most of our work with a 3-year/50,000-mile parts and labor warranty for your peace of mind.

Full-Service Auto & Fleet Repairs in Gardner

Our Gardner location is purpose-built to meet the needs of commercial drivers, fleets, and heavy-duty operators—but it doesn't stop there. We also provide complete auto repair services for personal vehicles, from oil changes and brakes to diagnostics and engine repairs. With 24/7 mobile repair service and a fully equipped facility, we’re prepared to handle everything from drivability issues to emissions diagnostics, DEF systems, and after-treatment repairs. When breakdowns interrupt your plans, J&R Service Center is here to get you back on the road quickly and reliably.

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A Bit About Us

Integrity-Driven Repairs from Certified Experts

Family-Owned and Proud to Serve the Gardner, IL commmunity

At J&R Service Center, we believe integrity should guide every repair decision. In Gardner, that means offering honest assessments, high-quality workmanship, and a level of service that goes beyond the standard. We’re not here to upsell or guess—we’re here to diagnose accurately, explain clearly, and fix with confidence. Our ASE Certified Master Technicians bring decades of experience to every repair, from routine inspections to complex engine rebuilds.



We’re proud to be a family-owned business that values relationships as much as results. Our Gardner team is dedicated to supporting everyone from daily drivers to regional haulers and long-haul truckers. Every service we offer is driven by the belief that reliable transportation keeps our community and economy moving. When you work with us, you’re not just another repair order—you’re part of a shop that genuinely cares.

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.

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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.

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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.

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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.

01

Honesty in Every Repair

Clear, trustworthy service every time.

02

Commitment to Quality

Repairs done right for lasting results.

03

Respect for Every Customer

Every customer and vehicle matters to us.

Testimonials

Our Reviews

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"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

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"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

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"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