/ 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.

Latest — March 10, 2026
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 Di
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Jul 8, 2025
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 d

Jul 8, 2025
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 peop

Jul 8, 2025
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 mo

Jun 20, 2025
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 t

Oct 24, 2019
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, di

Jan 31, 2018
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 i

Jun 16, 2016
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

Apr 28, 2016
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

Jul 1, 2013
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 w

Jan 2, 2013
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 witho
May 21, 2012
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
