Truck Coolant System 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

We provide top-notch coolant system repair and maintenance services for diesel trucks and fleets. Our services reduce the risk of overheating and minimize downtime.

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Understanding the Coolant System

The coolant system is pivotal in managing the engine's temperature, ensuring it operates within the desired temperature range. The primary components include the radiator, thermostat, water pump, coolant, hoses, and the fan.

  • Radiator: The radiator dissipates the heat absorbed by the coolant from the engine. It's vital to have it inspected and cleaned regularly to prevent blockages and ensure optimal performance.
  • Thermostat: The thermostat regulates the coolant flow, maintaining the engine's temperature within the desired range. A malfunctioning thermostat can lead to overheating, making its maintenance pivotal.
  • Water Pump: The water pump circulates the coolant through the engine and the radiator, which is crucial in maintaining the engine's temperature. Regular inspection and timely repairs are essential to prevent pump failure.

Our Coolant System Services

At L & T Truck Repair, we provide thorough inspection, repair, and maintenance services to keep your diesel truck's coolant system pristine.

  • Inspection and Diagnosis: We employ state-of-the-art diagnostic equipment to identify any issues with your coolant system, ensuring precise and timely repairs.
  • Repair and Replacement: From fixing leaks to replacing worn-out components, our skilled technicians provide comprehensive repair services to restore your coolant system's functionality.
  • Preventive Maintenance: Regular maintenance prevents minor issues from escalating into major problems. Our preventive maintenance services include coolant flushes, hose inspections, and thermostat checks to ensure your coolant system operates efficiently.

Catering to All Diesel Truck Classes

Whether you operate light-, medium-, or heavy-duty diesel trucks, our technicians have the expertise to handle all your coolant system needs. We understand the varying demands of different truck classes and tailor our services to meet your requirements.

Fleet Services

Are you managing a fleet? Our coolant system maintenance and repair services ensure your fleet remains on the road, performing at its peak. We prioritize minimizing downtime and extending the operational lifespan of your trucks.

Schedule Your Service Today

At L & T Truck Repair, we are committed to providing unmatched coolant system repair and maintenance services, ensuring your diesel trucks operate efficiently under all conditions. Our technical expertise and thorough understanding of diesel engines and their coolant systems position us as the leading choice for all your diesel truck coolant system needs in Willows, CA.

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