Cross Diesel Repair Blog

A semi truck’s engine is responsible for generating the immense power needed for long distances, heavy loads, and demanding routes. But when engine problems begin to develop, they tend to worsen. Recognizing the early warning signs can help prevent costlier repair needs. At Cross Diesel Repair, we provide expert semi truck engine diagnostics and repair in the greater Corinth, KY area. Here are four common symptoms of semi truck engine trouble. Loss of Power/Poor Acceleration One of the first signs of engine trouble is a noticeable loss of power. If the truck struggles to accelerate, has difficulty climbing hills, or feels sluggish even under light loads, the problem could stem from issues with fuel delivery, turbocharger performance, or internal engine wear. Any significant drop in power is a clear red flag. Addressing it promptly helps prevent additional strain on the engine. Engine Overheating An overheating engine is one of the most dangerous conditions for a semi truck. Overheating may result from coolant leaks, a failing water pump, a malfunctioning thermostat, or a clogged radiator. When temperatures rise beyond safe levels, severe engine damage can occur in a short time. Drivers should watch for rising temperature gauges or warning lights. Catching overheating early can help prevent catastrophic engine failure. Unusual Noises Strange noises coming from the engine bay are never a good sign. Knocking, tapping, grinding, or rattling sounds can be caused by lack of lubrication, worn bearings, or loose internal components. Identifying and repairing the source early can help avoid major internal damage. Discolored/Excessive Exhaust Smoke Sudden changes in color or volume of exhaust can indicate trouble. Black smoke may point to too much fuel being burned. Blue smoke often signals oil burning. White smoke can indicate an internal coolant leak. Any unusual smoke pattern deserves immediate attention, as it often reflects deeper mechanical issues. Semi Truck Engine Repair in Corinth, KY When you need semi truck repair in Corinth, KY and the surrounding area, contact Cross Diesel Repair at  (502) 427-0507  . Our local diesel mechanics can expertly address your big rig repair needs!

For professional drivers, few issues are as frustrating—or potentially damaging—as an overheating semi truck. When a big rig’s engine starts to run too hot, it can lead to costly repairs, lost time on the road, and even total engine failure if ignored. Because heavy-duty engines work hard under demanding conditions, maintaining proper cooling is essential. At Cross Diesel Repair, we provide expert semi truck cooling system repair in the greater Corinth, KY area. Here are four common causes of overheating in semi trucks. Malfunctioning Water Pump The water pump plays a crucial role in circulating coolant throughout the engine. If it fails, the cooling system can’t move coolant efficiently. This leads to rapid temperature spikes and potential engine damage. Common warning signs include coolant leaks from the pump area or a squealing noise from the pump. Replacing a failing water pump promptly can save you from much larger repair bills later. Clogged or Damaged Radiator The radiator is where heat from the coolant is released, but when it becomes clogged or damaged, heat can’t dissipate effectively. Dirt, bugs, and road debris often build up on the radiator fins, restricting airflow. Internal corrosion can also impede coolant flow. Regular radiator cleanings and flushes are essential for keeping your cooling system working efficiently, especially for trucks that spend long hours in dusty or hot environments. Low Coolant Levels Coolant is the lifeblood of your truck’s cooling system. It absorbs heat from the engine and carries it to the radiator to be dispersed. If coolant levels drop too low, the engine won’t be able to regulate temperature properly. In semi trucks, coolant leaks often occur due to issues with hoses, the radiator, or the water pump. Addressing leaks ASAP is an important way to prevent overheating on the road. Faulty Thermostat The thermostat regulates coolant flow through the engine and radiator based on temperature. When it becomes stuck closed, coolant can’t circulate, and the engine quickly overheats. Replacing a malfunctioning thermostat promptly can prevent overheating and help ensure your engine runs at an optimal temperature. Semi Truck Cooling System Repair in Corinth, KY When you need semi truck repair in Corinth, KY and the surrounding area, contact Cross Diesel Repair at  (502) 427-0507  . Our local diesel mechanics can expertly address your big rig repair needs!

For a semi truck, oil changes aren’t just routine maintenance—they’re essential for keeping the engine running smoothly and protecting the long-term health of the vehicle. With the heavy loads, long hours, and extreme conditions that semis endure, staying on top of oil changes can mean the difference between reliable performance and costly downtime. At Cross Diesel Repair, we provide expert semi truck maintenance in the greater Corinth, KY area. Here are four reasons why it’s so important to keep your truck’s oil changes up to date. Protect the Engine from Excessive Wear The engine is the heart of any semi truck, and fresh oil provides the lubrication it needs to operate efficiently. Without regular oil changes, debris can build up in the system, leading to unnecessary friction and wear. Over time, this can damage critical components of the engine. Consistent oil changes help ensure your engine remains protected and able to perform under the toughest driving conditions. Improve Fuel-Efficiency Fuel costs are one of the largest expenses for any trucking operation. When engine oil becomes old and dirty, it forces the engine to work harder, which can reduce fuel-efficiency. Clean oil minimizes friction and allows the engine to run more smoothly, helping you get more miles per gallon. Staying on schedule with oil changes can help you save substantially on fuel over the life of a truck. Prevent Costly Breakdowns A neglected oil change might not seem like a big deal at first, but it can lead to serious mechanical issues down the road. Engines that aren’t properly lubricated are more prone to overheating and part failure, which can result in unexpected breakdowns. For truck drivers, a breakdown doesn’t just mean repair bills—it also means lost time, missed deliveries, and reduced income. Regular oil changes are a simple step that can help prevent major disruptions to your business. Extend the Life of the Truck A semi truck is a major investment, and drivers want their rigs to last as long as possible. Keeping up with oil changes plays a key role in maximizing the lifespan of the engine and, ultimately, the truck itself. By maintaining clean and effective lubrication, you reduce strain on the system, making it easier to avoid the need for costly overhauls or engine replacements. Semi Truck Oil Change in Corinth, KY For expert semi truck repair and maintenance in Corinth and the surrounding area, contact Cross Diesel Repair at  (502) 427-0507  . Our nearby diesel mechanics can expertly address your big rig repair and maintenance needs!

A healthy big rig engine enables reliable performance while preventing costly downtime and unexpected repairs. Because semi trucks endure long hours, heavy loads, and challenging road conditions, proper care is essential. By following a few simple maintenance practices, you can help extend your engine’s lifespan and keep your truck running smoothly for years to come. Stay Consistent with Oil Changes Clean oil is critical for protecting engine components from wear and overheating. Skipping or delaying oil changes can lead to sludge buildup and increased friction that shortens the life of your engine. Following the manufacturer’s recommended schedule for oil changes promotes proper lubrication and helps keep the engine running efficiently. Keep an Eye on Coolant Levels Overheating is one of the leading causes of major engine damage in big rigs. Monitoring coolant levels and ensuring the system is free from leaks helps prevent excessive heat buildup. It’s also wise to flush and replace coolant at regular intervals so it can continue protecting the engine properly. Replace Filters on Time Your truck’s air and fuel filters play a vital role in maintaining engine health. Dirty air filters can reduce airflow, causing the engine to work harder, while clogged fuel filters can limit fuel delivery and affect performance. Replacing these filters at the proper intervals keeps contaminants out and promotes optimal combustion. Inspect Belts and Hoses Regularly Belts and hoses may seem like minor components, but they are essential for the cooling system and overall engine function. Cracked or worn belts can snap unexpectedly, while leaking hoses can cause coolant loss and overheating. Regular inspections allow you to spot wear early and replace parts before they fail. Prioritize Preventive Maintenance Scheduling routine checkups with a professional diesel mechanic is one of the best investments you can make in your big rig’s engine. Preventive maintenance not only helps identify potential issues before they become major problems, but also ensures your truck is running at peak performance, improving efficiency on the road. Semi Truck Repair & Maintenance in Corinth, KY When you need semi truck repair and maintenance in Corinth, KY and the surrounding area, contact Cross Diesel Repair at  (502) 427-0507  . Our local diesel mechanics can expertly handle your big rig needs!

A semi truck’s cooling system plays a vital role in maintaining proper engine temperature during long hauls and heavy-duty operations. When the cooling system begins to fail, the engine is at risk of overheating, which can lead to serious mechanical damage and costly repairs. Spotting early signs of trouble can help prevent major problems and keep your rig safely on the road. At Cross Diesel Repair, we provide expert semi truck cooling system repair in the greater Corinth, KY area. Here are four common signs of a semi truck cooling system issue. Rising Engine Temperature One of the most obvious signs of a cooling system issue is a steadily rising engine temperature. If your temperature gauge starts creeping into the red zone, it’s a clear indication that the engine isn’t being properly cooled. This could be due to problems like low coolant levels, a failing water pump, or a clogged radiator. Continuing to drive with an overheating engine can lead to engine failure, so it’s important to address this issue immediately. Coolant Leaks Puddles of coolant under the truck or visible drips around hoses and fittings often point to a leak in the cooling system. Leaks can come from locations such as a damaged hose or a cracked radiator. Even a small leak can cause the coolant level to drop over time, reducing the system’s ability to manage engine heat. Detecting and fixing leaks early can prevent more extensive and expensive damage. Low Coolant Warning Light If your dashboard displays a low coolant warning, it’s a sign that the system isn’t full enough to operate efficiently. This could be caused by a leak, and ignoring it can lead to overheating. Topping off the coolant may solve the immediate issue, but it’s essential to identify the root cause to avoid future problems. Steam from the Engine Compartment If you see steam rising from under the hood, it could mean the engine is overheating and the coolant is boiling. In this situation, it’s best to pull over safely, shut off the engine, and allow it to cool before investigating further. Driving with a steaming engine can cause severe internal damage in short order. Semi Truck Cooling System Repair in Corinth, KY When you need semi truck repair in Corinth, KY and the surrounding area, contact Cross Diesel Repair at  (502) 427-0507  . Our nearby diesel mechanics can expertly address your big rig repair needs!

A healthy suspension system in your semi truck plays a crucial role in keeping the tires in proper contact with the pavement, absorbing shock, and evenly distributing weight. Given the heavy loads and long distances that semi trucks regularly handle, suspension components endure significant wear and tear. Recognizing the early signs of suspension trouble is essential to prevent further damage. At Cross Diesel Repair, we provide expert semi truck suspension repair in the greater Corinth, KY area. Here are four indications that your semi truck may need suspension repair. Uneven Tire Wear When suspension components are failing, they can’t keep the tires firmly planted and balanced on the road. This leads to irregular tread patterns, such as bald spots, which can shorten tire life and compromise traction. If you notice your tires wearing unevenly, it’s a good idea to have your suspension inspected as part of the diagnostic process. Rough/Bouncy Ride A properly functioning suspension system should absorb bumps relatively smoothly. If your truck suddenly begins to feel rougher on the road or bounces excessively after hitting potholes or dips, it could indicate worn shocks or other failing suspension components. Not only is a bumpy ride uncomfortable, but it can also reduce your control over the vehicle, especially when driving with a full load or in poor conditions. Pulling or Drifting While Driving When your truck begins to pull to one side or drifts across lanes without steering input, it may be a symptom of suspension issues. Problems with alignment, worn control arms, or broken leaf springs can cause this behavior. Ignoring this sign can lead to unsafe handling and faster wear on steering and suspension components, making prompt attention essential. Sagging or Leaning If one side of your truck appears lower than the other, or the entire truck looks like it’s sagging more than usual, it’s often due to a worn or broken suspension part such as a spring. A leaning truck not only affects load distribution but also puts added stress on other parts of the suspension system, potentially leading to more extensive damage and unsafe driving conditions. Semi Truck Suspension Repair in Corinth, KY When you need semi truck repair in Corinth, KY and the surrounding area, contact Cross Diesel Repair at  (502) 427-0507  . Our local diesel mechanics can expertly address your big rig repair needs!

When it comes to the safety and reliability of a semi trailer, the structural integrity of its frame and components is everything. While these trailers are built tough, the wear and tear from constant hauling, road vibrations, and weather exposure eventually takes its toll. Spotting early signs that your trailer needs welding repairs can save you from costly breakdowns or dangerous accidents on the road. When you need welding services for your semi in Corinth, Kentucky, or the surrounding areas, contact Cross Diesel Repair . Visible Cracks and Rust One of the most obvious indicators is visible cracking, especially around joints, weld seams, or load-bearing areas. Even small cracks can spread under pressure, compromising the trailer’s strength. Rust is another red flag, particularly if it's eating away at weld points or the frame itself. Corrosion weakens the metal and makes it more susceptible to cracking or total failure. Loose or Misaligned Components If doors, gates, or ramps no longer line up correctly or feel wobbly, it could be a sign that something in the frame has shifted or a weld has failed. Don’t ignore unusual gaps or difficulty in latching parts; these can hint at deeper structural issues that require welding attention. Sagging or Uneven Trailer Bed If the trailer bed looks uneven, sags, or dips more on one side, you could be dealing with broken cross members or weakened joints. These types of structural damage can affect load distribution and put stress on other parts of the trailer. Unusual Noises While Driving Clanking, creaking, or rattling noises while in motion may indicate loose welds or broken connections. Over time, these issues can escalate, leading to detachment of vital components or total failure under load. Truck and Trailer Welding in Corinth If you notice any of these signs, it’s best to have a professional welder inspect your trailer. Cross Diesel Repair services all years, makes, and models of tractor trailers, both foreign and domestic. Among the most popular trucks we service are Kenworth, Navistar, Peterbilt, Freightliner, Caterpillar, Volvo Trucks, Mack, and International. If your big rig needs truck or trailer welding, don’t hesitate to give us a call at  (502) 427-0507  to schedule diesel truck repair in Corinth.

As winter loosens its hold on Kentucky, construction crews gear up for a busier season. But before your backhoes, bulldozers, and skid steers hit the job site, it's smart to give them the spring cleaning and maintenance they deserve. Skipping seasonal maintenance can cost you big in downtime, repairs, and productivity, especially when muddy spring weather starts throwing curveballs. For construction equipment maintenance and repairs in Corinth, KY, or the surrounding areas, contact Cross Diesel Repair. Start with a Thorough Inspection Winter can be brutal on machinery. Begin by checking for cracks, rust, or wear in hoses, belts, and seals. Cold temperatures often stiffen rubber components and can make them brittle. Look for fluid leaks and assess tire or track condition; soft spring ground can put extra strain on undercarriages and traction systems. Fluids and Filters Deserve Attention Spring is a great time to change out engine oil, hydraulic fluids, and coolant. especially if they weren’t swapped before winter storage. Check levels, viscosity, and cleanliness. Don’t forget air, oil, and fuel filters; clogged filters reduce performance and increase the risk of breakdowns. Fresh filters can breathe new life into older machines. Battery Check Corinth winters can be hard on batteries. Inspect terminals for corrosion and test voltage to make sure your equipment starts up without a fuss. Charge or replace batteries as needed. Nothing slows down a crew faster than a dead battery on a busy workday. Grease and Lubricate All those pivot points, joints, and bearings need proper lubrication to keep things moving smoothly. Reapply grease to manufacturer-specified areas to reduce friction and extend component life, especially after machines have sat idle during colder months. Calibrate and Test Safety Features Make sure backup alarms, lights, mirrors, cameras, and brakes are in good working order. In addition to keeping your crew safe, this will keep you in compliance with local safety standards. ​​ Construction Equipment Maintenance and Repair in Corinth, KY Construction equipment, agricultural vehicles, and other heavy-duty equipment require routine maintenance and occasional repairs, just like any road-going vehicle. At Cross Diesel Repair, our team is dedicated to minimizing downtime by providing fast and effective construction equipment repair in Corinth for bulldozers, tractors, backhoes, and many other types of vehicles. Our full-service facility is staffed by certified techs skilled at diesel equipment repair and maintenance practices. To learn more about our nearby diesel shop or to request an appointment, please give us a call at  (502) 427-0507  or stop by at your convenience.

A semi truck that won’t start isn’t just an inconvenience, it’s lost time and potential profit down the drain. Whether your truck cranks but won’t fire up or is completely unresponsive, several common issues could be to blame. When you need semi truck repair in Corinth, Kentucky, or the surrounding areas, contact Cross Diesel Repair. Battery Problems Your truck’s battery is the first place to check. Corroded terminals, loose connections, or a weak charge can prevent your engine from turning over. Extreme weather, especially cold temperatures, can also drain power. If the battery is old or struggling to hold a charge, replacement may be the best solution. Faulty Starter Motor If you hear a clicking sound but nothing happens when you turn the key, your starter motor could be at fault. A failing solenoid, worn-out brushes, or electrical issues can prevent it from engaging. Tapping the starter with a tool might temporarily get it going, but a long-term fix means replacing the faulty component. Fuel System Issues A truck without fuel isn’t going anywhere, but even if you have plenty in the tank, clogged fuel filters, bad injectors, or a failing fuel pump can block fuel from reaching the engine. Dirty or gelled-up diesel in cold weather can also cause starting troubles. Regular fuel system maintenance can help prevent these problems. Air Intake and Compression Issues Diesel engines rely on proper air compression to ignite fuel. A damaged turbocharger, clogged air filter, or failing EGR valve can disrupt airflow, preventing ignition. Checking and cleaning air intake components can often resolve these troubles. Electrical and Sensor Failures Modern semi trucks have multiple sensors and electronic controls that play a major role in starting. If there’s a faulty crankshaft position sensor, malfunctioning ECM, or a wiring issue, your engine may not get the signal it needs to start. A diagnostic scan can identify electrical failures. Semi Truck Repair in Corinth, KY Cross Diesel Repair services all years, makes, and models of tractor trailers, both foreign and domestic. Some of the most popular trucks we service are Kenworth, Navistar, Peterbilt, Freightliner, Caterpillar, Volvo Trucks, Mack, and International. Whether your big rig needs starting repair, don’t hesitate to call us at  (502) 427-0507  to schedule diesel truck maintenance or repair in Corinth.