Truck Engine Repair, Rebuild & Overhaul Services
in North Charleston, SC

Every heavy-duty truck requires an engine to travel from point A to B, in North Charleston, SC. Understanding this, our services in engine repair, rebuild, and overhaul are tailored to restore and enhance your vehicle's core strength, ensuring it meets both operational demands and longevity goals.

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Engine Repair, Rebuild and Overhaul

Benefits of Engine Rebuilding: Engine rebuilding can restore lost power and efficiency to your truck. It involves replacing worn components, which can extend the life of your engine significantly. Rebuilding is often more cost-effective than buying a new engine and can improve fuel efficiency and emissions.

Engine Repair Services: Our engine repair services include diagnosing and fixing common problems like leaks, overheating, and abnormal noises. We use state-of-the-art diagnostic tools to accurately identify issues and perform repairs using high-quality parts, ensuring your engine runs smoothly and reliably.

Engine Overhaul: An engine overhaul involves taking the engine apart, cleaning it, and replacing damaged or worn parts. It's a thorough process that can significantly extend the life of your engine and improve its performance, making it a viable option for engines that aren't too far gone.

Common Engine Problems and Repairs

Water Pump: The water pump is crucial for maintaining the engine's temperature. Signs of water pump failure include coolant leaks, overheating, and noise from the pump area. Timely repairs or replacements are essential to prevent engine damage.

Engine Fuel Filter: A clogged engine fuel filter can lead to reduced engine performance and increased fuel consumption. Regular replacement of the fuel filter ensures a clean fuel supply to the engine, maintaining its efficiency and longevity.

Oil Pan Leak: Oil pan leaks can lead to low oil levels and potential engine damage. Repairing such leaks involves identifying the source and sealing or replacing the oil pan to prevent further issues.

Oil Cooler Inspection: Regular inspection of the oil cooler is essential to prevent engine overheating. Issues like leaks or blockages need immediate attention to ensure optimal engine temperature regulation.

Fuel Injectors: Faulty fuel injectors can cause problems like poor fuel economy, reduced power, and uneven engine running. Repairing or replacing injectors ensures efficient fuel delivery and optimal engine performance.

Glow Plugs: Glow plugs are crucial for starting a diesel engine in cold conditions. Problems with glow plugs can lead to hard starting, and replacing faulty plugs is essential for reliable engine operation.

The Importance of Overhead Valve Adjustments

Overhead valve adjustments are crucial for maintaining engine efficiency and performance in heavy-duty trucks. Properly adjusted valves ensure optimal fuel combustion, which directly affects engine power and fuel efficiency. Neglecting valve adjustments can lead to engine misfires, reduced horsepower, increased fuel consumption, and even long-term engine damage, highlighting the importance of regular maintenance in preserving engine health and performance.

Areas We Service

At General Diesel, located in North Charleston, SC, we're proud to extend our expert services beyond our city's bounds. Our skilled team passionately caters to the diverse needs of diesel vehicles throughout Charleston, Dorchester, and Berkeley counties. With a commitment to excellence, we bring unparalleled diesel repair and maintenance to these communities, ensuring every heavy-duty and medium-duty truck performs at its peak, no matter the location.

Contact Us Today

When it comes to engine repair, rebuild, and overhaul General Diesel will offer your truck an advantage. Our skilled mechanics are equipped to breathe new life into your engine, ensuring it delivers optimal performance and reliability. Whether it's a comprehensive overhaul, a detailed rebuild, or a specific repair, trust us to provide solutions that propel your fleet forward. Reach out today to rejuvenate your engine and secure the endurance and power your business relies on.

Trusted Heavy-Duty Truck Repair Services

For reliable heavy-duty truck repair services in North Charleston, SC, get in touch with General Diesel today to keep your trucks safe and compliant. Whether it's advanced troubleshooting, intricate wiring repairs, or system upgrades, General Diesel’s mechanics bring precision and expertise to every task. We understand the importance of minimizing downtime and maximizing performance.

Our Diesel Mechanic Services

For comprehensive heavy-duty diesel mechanic services in North Charleston, SC, trust General Diesel team to keep your heavy-duty truck running at peak performance. Our ASC-certified mechanics provide a wide range of services, from advanced diagnostics and specialized transmission care, to DOT inspections and RV & bus repairs. Get in touch with General Diesel today and take advantage of a full spectrum of services to meet all your diesel truck needs.

Customer Testimonials

"Nothing but great things to say about Aaron and his company. We always receive the best care with our daycare buses. Communication is always easy and we will continue to use them as long as we possibly can!"

Wonderful Beginnings

"Aaron, thank you for taking the time to help me with my Freightliner Classic. You and Ryan went above and beyond what’s excepted of a service center!"


"I have been taking my truck to these guys since I purchased it 3 years ago and they always do a fantastic job they do not sale your parts or perform work you do not need they will take you into the shop and show you exactly what's going on and they get the job done right every time. Thanks for all you do to keep my truck running right big shout out to Aaron good guy."


"Been dealing with these guys for a few years and no matter what's the issue they find the problem and get it right, the staff is always nice and easy to work with."


"Fantastic service and customer service. The technicians are very knowledgeable in their field as a Diesel Mechanic. The parts department is just as great. If part is not on hand, the parts department can get it in timely manner."


"I work for a company with 5 diesel vehicles. aaron and the crew at general diesel keep our trucks moving. great communication and always satisfied."


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Get in touch with General Diesel now to schedule service or for more information!