Truck Exhaust 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

L & T Truck Repair is here for diesel truck owners and fleet managers seeking top-notch exhaust system repair services.

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Understanding the Diesel Truck Exhaust System

The exhaust system of a diesel truck is more than just a series of pipes. It's a complex assembly designed to manage emissions, improve engine performance, and reduce noise. Key components include:

  • Exhaust Manifold: This component collects exhaust gases from multiple cylinders into one pipe. It's crucial for directing waste gases out of the engine.
  • Diesel Particulate Filter (DPF): The DPF captures and stores soot particles, preventing them from being released into the atmosphere.
  • Selective Catalytic Reduction (SCR): This system injects a liquid-reductant agent through a special catalyst into the exhaust stream, converting harmful nitrogen oxides into nitrogen, water, and a tiny amount of carbon dioxide.
  • Muffler: The muffler reduces noise produced by the exhaust process.

Signs Your Diesel Truck's Exhaust System Needs Attention

  • Decreased Fuel Efficiency: A compromised exhaust system can lead to a noticeable decrease in fuel efficiency. If you find your trucks consuming more fuel than usual, it might be time to inspect the exhaust system.
  • Unusual Noises: Rattling or roaring sounds may indicate a damaged muffler or loose exhaust components. Addressing these issues promptly can prevent further damage.
  • Visible Smoke and Emissions: Excessive smoke or a noticeable smell of fuel points towards a malfunctioning exhaust system. This could be due to issues with the DPF or SCR systems.

L & T Truck Repair: Expertise in Diesel Exhaust System Repairs

  • Comprehensive Diagnostics: At L & T Truck Repair, we begin with a thorough diagnostic process to identify any issues within the exhaust system. Our technicians use advanced tools to pinpoint problems accurately.
  • Precision Repairs and Replacements: Whether it's a leaking exhaust manifold, a clogged DPF, or a malfunctioning SCR system, our team is equipped to handle repairs and replacements precisely. We use high-quality parts to ensure longevity and performance.
  • Compliance with Environmental Standards: Ensuring your diesel trucks comply with emission standards is not just about avoiding fines. It's about contributing to a cleaner environment. Our repairs ensure your fleet meets and exceeds regulatory requirements.

Regular Maintenance for Long-Term Performance

Regular maintenance of your diesel truck's exhaust system is crucial. At L & T Truck Repair, we offer routine checks and preventative services to keep your exhaust system in optimal condition, saving you from costly repairs down the line.

Transparent and Fair Pricing

We believe in transparent pricing without compromising on the quality of our services. Our customers are provided with detailed estimates, ensuring there are no surprises.

Ensuring the Health of Your Diesel Truck's Exhaust System

L & T Truck Repair offers comprehensive and reliable exhaust system repair services for diesel trucks and fleets. Our commitment to quality, precision, and environmental responsibility ensures that your vehicles are roadworthy, efficient, and compliant. Trust us to keep your diesel trucks running smoothly while ensuring the health of your exhaust system.

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

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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