Preventive Maintenance 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

Preventive maintenance for diesel trucks, trailers, and fleets isn't just about fixing issues before they arise; it’s about understanding the complexity of your machinery and ensuring each component works optimally.

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Diesel mechanic performing preventive maintenance services on truck in Willows, CA

The Heart of Your Diesel Truck: Engine Maintenance

Keeping the Powerhouse in Prime Condition

Your diesel engine is the powerhouse of your truck, and routine checks are crucial. We delve into the nitty-gritty of your engine, inspecting air filters that prevent abrasive particles from entering the engine's innards, fuel filters that protect the fuel system from contaminants, and oil filters that trap potentially harmful debris. The replacement of these filters at proper intervals is essential to maintain engine health.

Fuel System Care: The Lifeblood of Your Diesel Engine

The fuel system demands attention to ensure your engine runs smoothly. It’s not just about replacing filters; it’s about inspecting the fuel injectors responsible for delivering fuel into the engine's combustion chamber. Proper maintenance ensures they are not clogged, which can lead to poor performance and increased emissions.

Drivetrain and Chassis Inspection

The Backbone of Your Truck’s Performance

The drivetrain and chassis form the skeleton of your diesel truck, a complex network that transmits power from your engine to the wheels. We meticulously check the driveline components, including the transmission, differentials, and drive shafts, for wear and tear, ensuring they're well-lubricated and free from damage.

Suspension Systems: The Key to a Smooth Ride

Our technicians examine the suspension system, the springs, and the shock absorbers that cushion your ride and handle heavy loads. Regular inspections can prevent premature tire wear and alignment issues and ensure your truck handles predictably under all conditions.

Braking Systems: Your Safety Lifeline

Ensuring Your Stopping Power is Never Compromised

The brakes are the most critical safety component of your truck. We analyze every part of the braking system, from the brake pads and rotors to the hydraulic brake fluid. Ensuring these elements are in top condition is non-negotiable for your drivers' safety and your truck's longevity.

Electrical Systems: Keeping the Current Flowing

The electrical system, a complex web of wiring and circuits, powers everything from your headlights to your dashboard indicators. Our inspections involve checking the battery, alternator, and starter motor, ensuring they are functioning correctly and free from corrosion or wear.

Preventive Maintenance Scheduling: Timely Interventions

Proactive Approach to Fleet Management

Timing is everything. Proactive maintenance scheduling can mean a minor adjustment and a major overhaul. We work with our clients to establish a routine maintenance schedule tailored to the unique needs of their fleet, considering factors like mileage, load weight, and operational conditions.

Schedule Your Services Today

Preventive maintenance is not just a service; it's an investment in the health and efficiency of your diesel trucks, trailers, and fleets. At L & T Truck Repair, we're committed to providing comprehensive, technical, and timely maintenance services to keep your business moving forward. Our expert team is equipped with the knowledge and tools to ensure that every component of your diesel vehicle is in peak condition, minimizing breakdowns and maximizing performance on the roads of Willows, CA.

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