Truck Diesel Engine Repair Services in Willows, CA & Across Northern California

Providing services throughout Northern California, with Mobile DIesel mechanics in Willows, Red Bluff, Corning, Oroville, Biggs & Yuba City, CA

At L & T Truck Repair, we take pride in offering specialized diesel engine repair services tailored to meet the needs of diesel truck owners and fleet managers.

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Understanding the Diesel Engine Complexity

Diesel engines are known for their durability, fuel efficiency, and higher torque delivery. However, like any machinery, they are prone to wear and tear, requiring professional attention to maintain optimal performance. Common issues include fuel injection failure, cooling system problems, and engine oil contamination.

Our Diesel Engine Repair Services

  • Diagnostic Services: Before embarking on any repair task, accurately diagnosing the issue at hand is crucial. At L & T Truck Repair, we employ cutting-edge diagnostic tools and techniques to pinpoint the exact problem, whether a minor glitch or a major malfunction.
  • Fuel Injection System Repair: A functioning fuel injection system is crucial for the efficient performance of your diesel engine. Our technicians are skilled in repairing or replacing fuel injectors, ensuring fuel is delivered to the engine at the right time, and enhancing fuel efficiency and performance.
  • Cooling System Repair: Overheating is a common problem in diesel engines, and a well-maintained cooling system is vital to prevent this. We provide comprehensive cooling system repair services, including radiator repair, thermostat replacement, and coolant flushes, to keep your engine running cool.
  • Engine Oil and Filter Services: Clean engine oil and a functioning oil filter are essential for the longevity and performance of your diesel engine. Our service includes oil and filter changes and addressing oil contamination or leaks.
  • Exhaust System Repair: The exhaust system is critical in managing emissions and improving engine efficiency. We offer repair services for exhaust manifolds, EGR (Exhaust Gas Recirculation) valves, and DPF (Diesel Particulate Filter) cleaning and replacement, ensuring that your diesel engine operates within emission standards while maximizing performance.

Maintenance Services for Extended Engine Life

Regular maintenance is key to extending the life of your diesel engine. Our maintenance services include routine inspections, filter replacements, and belt and hose inspections. With preventative maintenance, we aim to catch and address minor issues before they escalate into major problems.

Why Diesel Engine Repair Services are Crucial

Timely repairs and maintenance extend the life of your diesel engine and ensure that your truck or fleet operates efficiently, minimizing downtime and saving you money in the long run. Moreover, professional diesel engine repair services ensure that your vehicles comply with emission standards, contributing to environmental sustainability.

Schedule Your Diesel Engine Repair Today

Don’t let minor engine issues escalate into major problems that can sideline your truck or fleet. Contact L & T Truck Repair today to schedule your diesel engine repair service. Our expert technicians are ready to restore your diesel engine to its peak performance, ensuring that you stay on the road, delivering on time every time.

Our Truck Repair services

With a highly skilled team of technicians and a well-equipped facility, we are committed to providing exceptional diesel repair and maintenance services. We aim to ensure your diesel truck or fleet operates efficiently, adhering to the highest safety standards. Entrust your axle maintenance and repair needs to L & T Truck Repair – where proficiency meets reliability.

Our Diesel Mechanic services

At L & T Truck Repair, we understand the intricacies and demands of diesel engines and their vast systems. We pride ourselves on offering comprehensive diesel mechanic services tailored to meet the needs of your diesel trucks, trailers, and fleet vehicles. Our state-of-the-art facility is equipped with advanced diagnostic tools and staffed by ASE-certified technicians committed to ensuring your diesel vehicles operate at peak performance.

Customer testimonials

"We were stuck at Walmart and Andrew from L & T trucking came through and saved the day. What a great guy he was in a good mood and made everybody feel comfortable that things were gonna work out. Thank you Ellen T we will always recommend you and use your services."
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Matthew Evans

"Our motorhome broke down on interstate 5. Dispatcher was very helpful finding a diesel repair shop and had a tow truck there to tow us to Redding CA. James the tow truck driver was wonderful.  Very helpful. Thank you so very much."
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Sally Thomsen

"Levi and the guys at L & T Truck Service did an awesome job getting Bird Dog Fire's Engine 627 back online to continue working the August Complex fire after 14 days of abuse on the fireline and 5 days of travel from Florida."
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Carlos Gutierrez

"Very happy with the service, if ever needed again I will definitely go back!"
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Heather Alvarez

Had a great experience with L & T Truck Repair? Let us Know!

Contact & Location

For heavy-duty truck repair and fleet services in Northern California, visit our shop in Willows, CA, or request service from our mobile diesel mechanic team in Red Bluff, Corning, Biggs, Oroville & Yuba City, CA. Give us a call, send us an email, or fill out our service request form!


Mon - Fri: 7am - 4pm
Mobile Services - 24/7
After hours by appointment only