Hear from Our Customers
When your semi breaks down on I-75 or anywhere in Lambertville, every minute costs you money. The average truck downtime runs $448 to $760 per day, and breakdowns happen every 10,000 miles whether you’re ready or not.
Our mobile repair team eliminates the towing fees and shop wait times that kill your schedule. We bring the expertise directly to your truck with diagnostic equipment that identifies the real problem fast, not just the symptoms.
You get transparent pricing upfront, quality repairs that stick, and a truck that’s ready to haul your next load. No surprises, no runaround, just the repair work that gets you back to making money.
J&J Truck & Trailer Repair has been handling emergency breakdowns and complex repairs across the Detroit metro area since the 1980s. We know what it takes to keep trucks moving through Michigan’s brutal winters and heavy freight corridors.
Dr. Phillip Marin leads our team with three Ph.D. degrees in Diesel Engineering, Drivetrains, and Metal Alloys. That’s not just academic knowledge—it’s the deep technical expertise that solves problems other shops can’t figure out.
Located on Kirkwood Street in Detroit, we serve the entire I-75 corridor including Lambertville, Monroe County, and Wayne County. When you call us, you’re getting a family-owned business that understands your local challenges and has the experience to handle them right the first time.
When your truck goes down, you call our dispatch line and get a real person who understands the urgency. We gather the essential details about your location, truck specs, and the problem you’re experiencing.
Our mobile unit heads out immediately with a certified diesel mechanic and diagnostic equipment. We arrive with common parts for your truck make and model, plus the tools to handle most repairs on-site.
Our mechanic runs a complete diagnostic to identify the root cause, not just the warning light. You get a clear explanation of what’s wrong and an upfront price before any work begins. Once you approve the repair, we get to work and test everything thoroughly before you drive away.
Ready to get started?
We handle the full range of semi truck repairs that keep fleets moving through Michigan’s demanding conditions. Our diesel engine diagnostics identify everything from injector problems to turbo failures, while our brake service covers ABS sensors, air brake systems, and complete brake overhauls.
Electrical problems get resolved with systematic troubleshooting that finds the actual fault, not just the easiest fix. We handle transmission repairs, drivetrain work, and air system problems that other shops often misdiagnose.
Michigan’s freeze-thaw cycles are brutal on trucks, so we specialize in cold weather issues like fuel gelling, DEF system problems, and battery failures. Our reefer trailer repair keeps temperature-sensitive loads protected, and our tire service includes on-site replacements and wheel bearing work. Every repair comes with parts and labor warranties because we stand behind our work.
Our average response time to Lambertville and the I-75 corridor is typically 45 minutes to an hour, depending on traffic and your exact location. We maintain mobile units strategically positioned to serve the Detroit metro area, including Monroe County where Lambertville is located.
When you call, our dispatcher immediately sends the closest available certified diesel mechanic with diagnostic equipment and common repair parts. We understand that every minute of downtime costs you money, so we prioritize emergency calls and keep you updated on our arrival time.
For breakdowns during peak traffic hours or severe weather, we work with local authorities when necessary to reach you safely and efficiently.
Our mobile repair capabilities cover most common breakdowns that strand trucks on the road. We handle diesel engine diagnostics and repairs, including fuel system problems, injector issues, and turbo failures. Our brake service includes ABS sensor replacement, air brake repairs, and complete brake system overhauls.
Electrical problems are diagnosed with professional-grade equipment that identifies the root cause, whether it’s alternator failure, starter problems, or complex wiring issues. We perform transmission repairs, drivetrain work, air system repairs, and hydraulic system fixes.
For repairs requiring heavy equipment or specialized shop tools, we can often perform temporary fixes to get you to a safe location, then complete the permanent repair at our Detroit facility.
Yes, our certified diesel mechanics work on all major semi truck brands including Peterbilt, Kenworth, Freightliner, Volvo, Mack, and International. Dr. Phillip Marin’s expertise in diesel engineering, drivetrains, and metal alloys gives us the technical knowledge to handle complex problems across different manufacturers.
We maintain diagnostic equipment and common repair parts for the most popular truck models operating in the Michigan freight corridors. Our mobile units carry brand-specific tools and components for Cummins, Caterpillar, Detroit Diesel, and other major engine manufacturers.
For specialized components or unusual problems, we leverage our 40+ years of experience and professional network to source parts quickly and complete repairs efficiently.
Our emergency service rates are competitive and transparent, with no hidden fees or surprise charges. Emergency calls include a service charge that covers our response time and initial diagnostic work, then parts and labor are billed separately based on the actual repair needed.
We provide upfront estimates before beginning any work, so you know exactly what the repair will cost before we start. Our rates reflect the expertise of certified diesel mechanics with decades of experience, plus the convenience of mobile service that eliminates towing costs.
For fleet customers, we offer service agreements that provide priority response times and discounted rates for regular maintenance and emergency repairs. Call us for a detailed quote based on your specific situation and location.
Absolutely. Preventive maintenance is one of the most effective ways to avoid costly breakdowns and extend truck life. We work with fleets throughout the Detroit metro area to develop maintenance schedules that prevent problems before they strand your trucks.
Our preventive maintenance programs include regular diesel engine servicing, brake inspections, air system checks, and electrical system diagnostics. We track maintenance intervals for each vehicle and provide detailed reports that help you make informed decisions about repairs versus replacement.
Fleet customers receive priority scheduling for both routine maintenance and emergency repairs. We can perform much of the routine maintenance at your facility, minimizing downtime and keeping your trucks productive.
Yes, we provide true 24/7 emergency service every day of the year, including holidays. Michigan’s harsh winters and heavy freight traffic mean breakdowns don’t follow business hours, so neither do we.
Our emergency dispatch line is staffed around the clock with experienced personnel who understand the urgency of truck breakdowns. We maintain mobile units ready to respond to calls throughout the Detroit metro area, including Lambertville and the I-75 corridor.
Winter weather creates additional challenges with fuel gelling, DEF system freezing, and battery failures, so we’re equipped to handle cold-weather problems that are common in Michigan. Our emergency service includes jump starts, fuel delivery, and temporary repairs to get you to a safe location for complete service.
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