Custom T Repair Customer Blog

Diesel exhaust fluid, commonly known as DEF, is a critical part of modern diesel vehicles. It helps reduce harmful emissions and allows engines to meet strict environmental standards without sacrificing performance. Because DEF systems are relatively new compared to traditional engine components, there are often questions about how they work and what maintenance involves. At Custom T Repair , we’re happy to answer your questions about DEF services in Springfield, AR . What Is Diesel Exhaust Fluid and What Does It Do? Diesel exhaust fluid is a mixture of purified water and urea designed to reduce nitrogen oxide emissions from diesel engines. It is stored in a separate tank and injected into the exhaust stream. When heated, the fluid breaks down harmful gases into harmless nitrogen and water vapor. DEF does not affect fuel combustion directly, but it plays a major role in keeping emissions low and ensuring compliance with environmental regulations. How Often Does DEF Need to Be Refilled? DEF consumption varies depending on vehicle type, engine size, and driving conditions. Many vehicles use DEF at a predictable rate, often requiring refills during routine service intervals. Some dashboards display DEF levels and provide warnings when levels are low. What Happens During a DEF Service? A DEF service typically includes checking fluid levels, inspecting the DEF tank, and examining related components for leaks or contamination. Technicians may also inspect the injector and sensors that monitor the system’s performance. In some cases, the system may need cleaning or recalibration if warning lights appear. Proper handling is important because DEF can become contaminated if exposed to dirt, fuel, or other substances. How Can I Maintain My DEF System? Using high-quality DEF and storing it properly helps maintain system performance. Always keep the DEF tank sealed and avoid mixing it with other fluids. Following recommended service schedules and responding quickly to warning messages can prevent bigger problems. Keeping the system clean and properly filled helps ensure your diesel vehicle continues to run efficiently and meet emissions standards. Where Can I Find DEF Service in Springfield, AR? For DEF service in Springfield, AR and the surrounding area, contact Custom T Repair at  (501) 208-4730  . Our local diesel mechanics can expertly handle your diesel truck repair and maintenance needs in the greater Springfield, AR area!

When a semi truck experiences mechanical or electronic issues, getting it back on the road quickly is critical. Mobile semi truck diagnostics have become an increasingly popular solution for fleet operators and owner-operators who want fast, accurate answers without the delays of towing to a repair shop. Understanding how mobile diagnostics work and what they can offer helps drivers make informed decisions when breakdowns or warning lights occur. At Custom T Repair, we provide expert mobile semi truck diagnostics in Springfield, AR. Here’s a look at some of the FAQs about mobile semi truck diagnostics.. What Are Mobile Semi Truck Diagnostics? Mobile semi truck diagnostics involve a trained technician traveling to the truck’s location with specialized diagnostic equipment. Using advanced scan tools, the technician connects directly to the truck’s onboard computer systems to retrieve fault codes and performance data. This allows them to identify issues without moving the vehicle. What Types of Problems Can Be Diagnosed? Mobile diagnostics can identify a wide range of issues, including check engine lights, sensor failures, emissions system faults, and communication errors between control modules. While diagnostics do not always include full repairs, they provide valuable insight into what is wrong and how severe the problem may be. This information helps drivers decide whether the truck can safely continue operating or needs immediate repair. Do Mobile Diagnostics Save Time and Money? One of the biggest benefits of mobile diagnostics is reduced downtime. Instead of waiting for a tow or sitting in a shop queue, drivers can receive answers on-site. This can help avoid unnecessary towing costs and prevent minor issues from becoming major repairs. Knowing exactly what is wrong also allows for better planning, whether that means scheduling a repair or sourcing specific parts in advance. When Should You Request Mobile Diagnostics? Mobile diagnostics are especially useful when warning lights appear, performance suddenly drops, or the truck enters a derate condition. They are also helpful when a truck will not start or when a driver is unsure whether it is safe to continue driving. Early diagnostics can often prevent further damage. Where Can I Find Semi Truck Diagnostics and Repair in Springfield, AR? For semi truck diagnostics and repair in Springfield, AR and the surrounding area, contact Custom T Repair at  (501) 208-4730  . Our local diesel mechanics can expertly handle your semi truck repair and maintenance needs in the greater Springfield, AR area!

A semi truck’s battery system is responsible for powering critical electrical components, starting the engine, and keeping essential systems running efficiently. Because semi trucks rely on strong, reliable power, battery issues can quickly lead to breakdowns and downtime. Semi truck battery diagnostics play an essential role in identifying problems early and ensuring your truck remains dependable on the road. At Custom T Repair, we provide expert semi truck battery diagnostics in Springfield, AR. Here are four aspects of battery diagnostics every driver and fleet operator should understand. Recognizing the Early Signs of Battery Trouble Effective battery diagnostics begin with recognizing symptoms that suggest a problem. Dimming headlights, slow engine cranking, weak interior lights, and electrical accessories that behave inconsistently can all point to battery issues. Catching these symptoms early allows you to schedule a diagnostic test before the battery fails completely, helping you avoid delays and costly roadside assistance. Testing Battery Voltage and Load Capacity A core part of the diagnostic process involves checking the battery’s voltage and load-handling ability. Technicians use specialized tools to measure resting voltage, which helps determine if the battery is holding an adequate charge. Load testing evaluates how the battery performs under simulated operating conditions. Even if a battery appears healthy on the surface, voltage and load testing can uncover hidden weaknesses. Inspecting Connections, Cables, and Corrosion Battery performance depends heavily on clean, secure electrical connections. Corrosion on terminals, frayed cables, or loose clamps can cause voltage drops or inconsistent electrical flow. As part of a thorough diagnostic, technicians can inspect all connections around the battery, alternator, and starter system. Checking the Alternator and Charging System A battery is only as reliable as the charging system that supports it. If the alternator isn’t producing the proper voltage, the battery may drain quickly or fail prematurely. Battery diagnostics can include testing alternator output. A faulty alternator can mimic battery failure, so checking the charging system is crucial for accurate diagnosis. Semi Truck Diagnostics and Repair in Springfield, AR For semi truck repair in Springfield, AR and the surrounding area, contact Custom T Repair at  (501) 208-4730  . Our local diesel mechanics can expertly handle your semi truck repair and maintenance needs in the greater Springfield area!

Regular oil changes are essential for keeping your semi truck in good working order. In general, we recommend changing your semi's oil every 25,000 to 50,000 miles. The interval will vary depending on numerous factors, including the type of oil used, the age and condition of the truck, and the driving conditions you face. When it’s time to schedule an oil change for your truck, contact Custom T Repair , with shops in Springfield, AR. Using high-quality synthetic oil can increase the time between oil changes, but conventional oil may require more regular changes. To maintain peak performance and prevent engine wear, older trucks may require oil changes closer to the 25,000-mile mark. Oil changes keep your semi truck's engine clean, decrease friction, and avoid overheating, all of which help to extend its life and durability. Consult the owner's manual and talk to a trusted mechanic about the optimal oil change schedule for your truck. Regular maintenance, including periodic oil changes, is essential for keeping your semi truck running smoothly. What Are the Risks of Not Changing Your Oil? Not changing your semi truck's oil can have serious consequences. Old and dirty oil diminishes its ability to adequately lubricate the engine, resulting in increased friction and heat. This can cause parts to wear out faster and result in engine overheating. Over time, this carelessness can cause significant engine damage, expensive repairs, or even complete engine failure. Regular oil changes are a basic but important part of maintaining your semi truck and avoiding catastrophic problems. Semi Truck Maintenance in Springfield Keeping up with scheduled semi truck maintenance is key to keeping your tractor-trailer running great mile after mile. At Custom T Repair, our crew is equipped to perform any type of diesel truck maintenance for all makes and models of medium-duty trucks, heavy-duty trucks, and big rigs. This includes belt and hose services, truck fluid flush services, cooling system service, diesel fuel injection cleaning, diesel fuel filter replacement, air filter replacement, glow plug replacement, and other diesel engine maintenance services. Give us a call at  (501) 208-4730  to request a quote for diesel maintenance in Springfield or the surrounding community.

Proper tractor maintenance is essential to ensure your equipment operates smoothly and efficiently during the busy summer months. With a bit of effort and attention to detail, you can keep your tractor in top shape, reducing the risk of breakdowns and extending its lifespan. We discuss some key maintenance tips to prepare your tractor for the summer season. When you need tractor maintenance or repair in Springfield, Arkansas, give Custom T Repair a call. Check and Change the Oil Regular oil changes are essential for maintaining engine health. Before the summer season kicks off, check the oil level and condition. If the oil looks dirty or has been in use for a while, it's time for a change. Use high-quality oil recommended by the manufacturer to get the best performance. Inspect and Clean the Air Filter Over time, air filters can become clogged with dirt and debris, restricting airflow and reducing engine efficiency. Check the air filter regularly and clean or replace it as needed to keep your tractor running smoothly. Examine the Tires Inspect your tractor's tires for any signs of wear, damage, or low pressure. Inflate the tires to the recommended pressure levels and replace any that are excessively worn or damaged to prevent issues during operation. Check the Battery Inspect the battery terminals for corrosion and clean them as needed. Check that the battery is firmly placed and charged. If the battery is outdated or unable to keep a charge, replace it to avoid unexpected downtime. Inspect Belts and Hoses Belts and hoses should be regularly inspected for signs of wear, cracking, or fraying. Replace any damaged or worn belts and hoses to prevent failures that could lead to costly repairs and downtime. Lubricate Moving Parts Proper lubrication reduces friction and wear on your tractor’s moving parts. Check the manufacturer’s guidelines for the recommended lubrication points and schedule. Apply grease or oil as needed to keep components like joints, bearings, and gears operating smoothly. Clean and Inspect the Cooling System Summer heat can put extra stress on your tractor’s cooling system. Ensure the radiator is clean and free of debris to promote efficient cooling. Check the coolant level and top it off if necessary. Inspect hoses and connections for leaks or damage and repair or replace as needed. Test the Brakes and Steering Safety is paramount when operating heavy machinery. Test your tractor's brakes and steering to ensure they are functioning correctly. If you notice any issues, address them immediately to maintain safe and reliable operation. Tractor Maintenance and Repair in Springfield At Custom T Repair, our team is skilled at servicing all types of tractors used for farming and other applications. We would be happy to perform services on your 4WD tractor, compact tractor, scraper tractor, row crop tractor, utility tractor, yard tractor, farm tractor, or other specialty tractor. From tractor engines and tractor transmissions to brakes and hydraulics, we do it all. Give us a call at (501) 208-4730 to schedule tractor repair in Springfield or the surrounding communities.

Maintaining your semi truck’s air filter is important to prolonging the engine's life. An engine that runs smoothly is made possible by a clean air filter, which allows the right mixture of fuel and air necessary for combustion. Below, we discuss how frequently you should clean the air filter. When you need air filter maintenance in Springfield, Arkansas, give Custom T Repair a call. Benefits of a Clean Air Filter A clean air filter helps improve fuel economy and lower emissions by ensuring that the engine receives the right amount of air for effective combustion. By keeping dirt and debris out of the engine, routine cleaning or replacement of the air filter extends engine life and lowers the need for expensive repairs. How Often Do You Need To Clean? The number of miles and driving conditions are two factors that determine how often you should clean the air filter on your semi truck. Generally speaking, we recommend doing an annual or every 15,000–30,000 mile air filter inspection and cleaning. More frequent maintenance may be required if you often drive in harsh or dusty conditions. Signs of a Dirty Filter Reduced engine performance, such as slow acceleration and lower power, is a common sign of a dirty air filter. Additionally, you may experience a decrease in fuel efficiency that calls for more frequent refueling. Unusual engine noises, a check engine light, or a dirty or clogged filter can all be signs that the air filter needs to be changed. If the exhaust of your truck is producing black smoke, it may indicate that there is restricted airflow caused by a filthy filter. Semi Truck Maintenance and Repair in Springfield Each of our two big rig repair shops is staffed by talented truck mechanics who have access to the latest maintenance, diagnostic, and repair equipment. At Custom T Repair, our goal is to provide effective and efficient services at fair prices, to get you back on the road fast in a safe and reliable truck. To learn more about our extensive services or to schedule semi truck maintenance or semi truck repair in Springfield, please give our crew a call at (501) 208-4730 .

In today's world, having access to 24-hour truck repair can be a game changer for businesses and drivers. Whether you're moving freight across the country or running a local delivery service, the simplicity and efficiency of 24-hour mobile truck repair can reduce downtime, keep your operations running smoothly, and assure fast assistance when you need it the most. When you need mobile truck repair in Springfield, Arkansas, give Custom T Repair a call. Get Assistance From Experienced Technicians At Custom T Repair, our technicians have the expertise, skills, and tools to diagnose and repair a wide range of truck-related problems, including mechanical failures and electrical malfunctions. Whether you're stuck on the side of the road in the middle of the night or encounter an unexpected problem during a critical delivery, you'll always have access to skilled mechanics. Get Help Quickly One of the most notable advantages of 24/7 mobile truck repair is the opportunity to get help instantly if you run into trouble on the road; no appointment is required. No matter what the problem is, mobile repair services are accessible around the clock to give immediate assistance. This prompt response allows you to minimize downtime and get back on the road as quickly as possible, avoiding costly delays and disruptions to your business. We Offer Diesel Fuel Delivery In addition to on-the-spot repairs, our mobile truck repair services provide diesel fuel delivery as part of our full package. Our mobile repair staff will arrange fuel delivery if you find yourself stranded with an empty gas tank. 24/7 Mobile Truck Repair in Springfield Custom T Repair is available 24/7 to provide mobile commercial truck repair in Springfield and surrounding areas on I-40, Hwy 64, and Hwy 65. We know how critical it is to remain on schedule, which is why we dispatch mobile truck mechanics to your location as soon as you call. Our team can fix many big rig troubles on-site, getting you back on the road fast. To request emergency truck repair in Springfield or the surrounding Arkansas communities, call us at  (501) 208-4730  .

When your diesel engine overheats, it is more than an inconvenience; it is also a warning sign of possible damage. Below, we discuss the most common reasons your diesel engine is overheating and how to prevent them. When you need diesel engine repair in Springfield, Arkansas, give Custom T Repair a call. Clogged Radiator Over time, debris, dirt, and other pollutants can accumulate inside the radiator, obstructing coolant flow and impeding the cooling process. When the radiator becomes clogged, heat exchange efficiency reduces, resulting in higher engine temperatures. Regular maintenance, such as draining the radiator and looking for blockages, can help prevent this problem. The radiator can also be kept clean by maintaining optimum coolant levels and using high-quality coolants. Malfunctioning Thermostat To maintain appropriate operating temperatures, the thermostat regulates the flow of coolant through the engine, opening, and closing as needed. When the thermostat fails, it might become jammed closed, preventing coolant from properly circulating and causing overheating. It may also become jammed open, forcing the engine to run hotter than necessary, resulting in poor fuel efficiency. Regularly examining and replacing the thermostat as part of routine maintenance can help prevent this problem. Engine Coolant Leak Engine coolant controls engine temperature and prevents overheating. However, leaks can develop because of damaged hoses, gaskets, or radiator components, allowing coolant to escape and lowering system efficiency. When coolant levels drop, the engine is no longer effectively cooled, resulting in higher temperatures and possibly overheating. Engine damage can be prevented by regularly inspecting for signs of coolant leaks, such as puddles under the car or low coolant levels in the reservoir. Damaged Radiator Hose The radiator hoses move coolant from the radiator to the engine. Radiator hoses can decay, crack, or leak after being exposed to heat, pressure, and impurities over an extended period. When a radiator hose is damaged, coolant can leak out, which causes lower coolant levels and decreased cooling system function. As a result, the engine may overheat and damage critical components. Check the radiator hoses for signs of wear, such as cracks, bulges, or soft patches. Diesel Engine Repair in Springfield With more than 40 years of hands-on experience and access to modern diagnostic equipment, there is no diesel engine problem the team at Custom T Repair can’t solve. Our diesel engine mechanics can perform any service necessary to ensure your truck continues to run strong. This includes everything from fixing hard starting issues, replacing faulty glow plugs, and installing new gaskets and seals to complete diesel engine rebuilding. If your truck suffers from power loss, increased exhaust smoke, no start or hard start issues, decreased fuel economy, or other issues, don’t hesitate to call us at  (501) 208-4730  for diesel engine diagnostics. We’d be happy to provide a quote for the cost of semi truck engine repair in Springfield, AR.