/ The Garage
Shop notes & diesel know-how
Diagnostics, maintenance intervals, and failure patterns straight from our bays — written by the techs who fix these trucks every day.
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Common Signs Your Diesel Injectors Are Failing
Diesel engines are known for durability and power, but one of the most important components in the fuel system is the diesel fuel injector. When injectors start to fail, performance drops quickly and can lead to costly engine damage if ignored. At Southeast Diesel (SEDiesel.com), we help diesel owners recognize the early warning signs of injector problems…
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Mitsubishi FUSO Truck Maintenance: Why 30K Oil Changes Matter + Kits Available at Southeast Diesel
30K Mile Oil Changes for FUSO Trucks When it comes to keeping your Mitsubishi FUSO diesel truck running strong, routine maintenance is key—and it all starts with a proper oil change. At Southeast Diesel, we make it easy with complete 30K mile oil change kits designed specifically for your FUSO truck using OEM-quality parts. If you’re driving or managing a fleet of FUSO…
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Buying a Used Diesel Truck? Don’t Make a Costly Mistake!
Pre-Inspection Tips Every Buyer Should Know | Southeast Diesel – Chattanooga, TN Are you thinking about buying a used diesel truck? It could be one of your best investments—or a costly regret—if you’re not careful. At Southeast Diesel, we’ve seen too many people stuck with expensive repairs simply because they skipped a proper pre-purchase inspection. Before you sign…
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To Delete or Not? 5 Reasons Not to Delete Your DEF System!
Southeast Diesel | Diesel Repair Shop in Chattanooga, TN If you’re driving a modern diesel truck, you’ve probably heard people talk about deleting the DEF system (Diesel Exhaust Fluid system). While it might sound appealing—removing emissions components for more power or fewer refills—it’s important to understand the risks and long-term consequences of this decision. At Southeast Diesel, we get this…
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Should I use diesel fuel additive?
Should I Use Diesel Fuel Additive? If you drive or operate diesel-powered trucks, heavy equipment, or generators, you’ve probably seen diesel fuel additives on the shelf and wondered—Do I really need this? At Southeast Diesel, we get this question a lot, and the answer depends on your engine, your fuel quality, and your operating…
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Yanmar Industrial Service & Parts – Expert Support from Southeast Diesel
. Yanmar Industrial Service & Parts – Expert Support from Sediesel Parts and Service Why Choose Southeast Diesel for Yanmar Industrial Support? When you need Yanmar industrial service and parts, Sediesel is your trusted partner. Our experienced technicians, diagnostic tools, and parts expertise ensure that your Yanmar-powered equipment stays running at peak performance. Whether you’re dealing…
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My Diesel is Putting Out White Smoke…What Does That Mean?
My Diesel is Putting Out White Smoke… What Does That Mean? If you’ve noticed your diesel engine producing white smoke, it’s more than just an eyesore—it’s a sign your engine might need attention. At Southeast Diesel, we specialize in diagnosing and repairing issues that cause smoke so your equipment, truck, or machinery can get…
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Got Any Tips for Maintaining my Tractor?
Whether you use your diesel tractor daily or once a month, you rely on it to start up and function properly to get the job done. Our team at Southeast Diesel, Inc. has over thirty years of experience servicing and maintain tractors for our customers. Here are a few tips based on what we have…
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Does Southeast Diesel Provide Service and Parts for TDI Vehicles?
Southeast Diesel takes pride in being a TDI (Turbocharged Direct Injection) Specialist. This includes vehicles such as the Volkswagen Passat, made in Chattanooga; to all makes of diesel vehicles containing this technology. Our services for TDI vehicles include and are not limited to the following: • Service and parts for engine and performance • Standard…
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Stump Grinders
Q:Do you work on diesel powered equipment such as stump grinders? – Wes in Cleveland, TN A: If your stump grinder is powered by a diesel engine we are more than likely a dealer for the engine. Whether the diesel engine is a Perkins, Deutz, Kabota, or Cummins we have you covered with genuine parts.…
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Diesel-Powered Air Compressors: Power, Reliability, and Performance for Demanding Jobs
When it comes to heavy-duty job sites, reliability and power are essential. Diesel-powered air compressors are widely used in construction, agriculture, industrial operations, and mobile service applications because they deliver consistent compressed air without depending on electrical power sources. At Southeast Diesel (SEDiesel.com), we understand how critical diesel-powered equipment is for professionals who depend on performance in demanding…
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What should I look at when buying a Used Diesel vehicle?
One of the main things would be to make sure the engine will start cold, this is better to test in the winter when the temperature is cooler. You are looking for the engine to start the first time, unless it is below 40 then it may take the second crank if it is a…
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Is transmission fluid, transformer oil, engine oil a good Diesel Fuel additive?
No, not with ultra low sulfur diesel, it lowers the cetane ratings in our test. The cetane rating is already lower in low sulfur diesel compared to older diesel fuel which had a higher cetane rating which was ok to ad transmission fluid.
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Should I use Oil Additives in my Diesel engine?
All oils have additive packages in them from the oil company. The additive companies do not know what oil you are using, and then you are adding additives that can sometimes counteract and have a reaction. If you are going to use oil additives or any extended oil service we recommend an oil sample. See…
