4 Common Air Brake Issues in Semi Trucks that Should Be Addressed ASAP

When a semi truck won’t start, it can lead to costly delays and missed deliveries. Because commercial trucks are complex machines that endure heavy use, many issues can arise that prevent them from starting. At Bob’s Road Service, our local semi truck mechanics provide expert big rig starting in the greater Cayuga, IN area. Here are four reasons why a semi truck might fail to start. Dead or Weak Battery One of the most frequent causes of starting issues is a dead or weak battery. Semi truck batteries are heavily used to power electrical systems and accessories, and over time, they can wear down or lose charge. Cold weather, corrosion on the terminals, and extended periods without use can all contribute to battery failure. Faulty Starter Motor The starter motor is responsible for cranking the engine when the ignition key is turned. If the starter motor fails, the engine won't turn over, even if the battery is fully charged. Signs of a bad starter include a clicking noise when attempting to start the truck or no noise at all. Over time, the motor can wear out, or the wiring can become damaged, preventing the starter from functioning properly. Ignition Switch Failure Problems with the ignition switch can also prevent a semi truck from starting. The ignition switch sends a signal to the starter motor and other key systems when the key is turned. If the switch is damaged or worn out, it might not send the proper signal, resulting in no engine response. Fuel Delivery Issues Without proper fuel delivery, a semi truck’s engine won’t be able to start or run. Common fuel system problems include clogged fuel filters, bad fuel pumps, or air in the fuel lines. These issues can prevent the engine from receiving the fuel it needs to ignite. Semi Truck Repair & Roadside Assistance in Cayuga, IN For expert mobile semi truck repair in the Cayuga, IN and Danville, IN areas, contact Bob’s Road Service at  765-709-9910  . We offer mobile big rig repair services to get you back on the road ASAP!

The fuel system is critical to a semi truck’s ability to operate efficiently and reliably. When problems arise within this system, they can lead to poor performance, unexpected breakdowns, and costly repairs. Regular maintenance and awareness of common fuel system issues can help keep your truck running smoothly and avoid time lost on the road. Here are four fuel system problems that semi truck drivers and fleet managers should keep an eye out for. Failing Fuel Pump The fuel pump is vital for maintaining consistent fuel pressure and flow to the engine. A weak or failing pump can cause hard starts, engine sputtering, and reduced power under load. If the pump isn’t working correctly, the engine won’t receive the fuel it needs to operate properly. Unusual whining noises or performance dips can be indications that the fuel pump needs replacement. Clogged Fuel Filters One of the most common fuel system issues in semi trucks is a clogged fuel filter. Over time, fuel filters can become filled with debris. When the filter is too clogged, fuel can’t pass through as easily, leading to engine hesitation, poor acceleration, and even stalling. Replacing fuel filters at recommended intervals is essential to prevent flow restrictions and maintain optimal engine performance. Faulty Fuel Injectors Fuel injectors are responsible for delivering the right amount of fuel into the engine’s combustion chamber. When injectors become dirty or damaged, they may not inject the right amount of fuel. This can result in rough idling, misfires, and poor fuel-economy. Leaking Fuel Lines Fuel lines transport diesel from the tank to the engine. If any of these lines develop cracks or holes, fuel leaks can occur. Not only is this a serious fire hazard, but it also reduces fuel-efficiency and can lead to engine performance problems. Drivers should regularly inspect their trucks for signs of fuel leaks, such as strong fuel odors or visible drips, and address any issues promptly. Semi Truck Repair & Roadside Assistance in Cayuga, IN When you need mobile semi truck repair in the Cayuga, IN and Danville, IL areas , contact Bob’s Road Service at  765-709-9910  . We offer a variety of mobile big rig repair services in the Cayuga area to get you back on the road as soon as possible!

Semi trucks are the backbone of the transportation industry, but they endure significant wear and tear due to long hours on the road. Even with regular maintenance, breakdowns can still occur, causing delays and costly repairs. At Bob’s Road Service, we provide expert semi truck towing and repair in the greater Cayuga, IN area. Here are four common causes of semi truck breakdowns. Tire Problems Tires are among the most frequent causes of semi truck breakdowns. The immense weight and mileage that trucks handle make their tires vulnerable to blowouts. Potholes, debris, and extreme temperatures can further accelerate tire deterioration. Regularly checking tire pressure, alignment, and tread depth is crucial to prevent unexpected failures on the road. Electrical System Malfunctions A semi truck’s electrical system powers everything from the starter motor to the lights. Issues such as dead batteries, faulty alternators, or damaged wiring can cause the truck to stall or fail to start altogether. Corrosion and loose connections are common culprits behind electrical failures. Keeping battery terminals clean and checking for frayed wires can help avoid unexpected electrical breakdowns. Cooling System Problems Overheating is a major concern for semi trucks, particularly during long hauls or hot weather conditions. A malfunctioning cooling system—which includes the radiator, coolant hoses, and water pump—can lead to engine failure if not properly maintained. Leaks and low coolant levels can cause excessive heat buildup. Regularly inspecting and flushing the cooling system helps ensure that the engine remains at a safe operating temperature. Fuel System Issues Fuel system problems can bring a truck to a halt without warning. Clogged fuel filters and failing fuel pumps can disrupt the flow of fuel to the engine, leading to performance issues or complete shutdowns. Using high-quality fuel and replacing filters on schedule can help prevent fuel system failures. Semi Truck Repair & Roadside Assistance in Cayuga, IN When you need mobile semi truck repair in the Cayuga, IN and Danville, IN areas , contact Bob’s Road Service at  765-709-9910  . We offer mobile big rig repair services to get you back on the road ASAP!

At Bob’s Road Service, we strive to earn our customers’ trust and satisfaction by providing exceptional big rig roadside services at fair rates. Our team will always show up ASAP and work diligently to get the job done in a timely and safe manner. And we’re grateful when our customers offer feedback about the work that we did for them. Here’s a look at some of our latest customer reviews. “These guys came out SUPER fast and had me pulled out in under an hour. I was surprised with how quickly they got to me and thankful for how helpful they were overall.” — Jeremy J. “Dave and Kathy helped me out last week and this week. They are dedicated professionals and were available for me whenever I called. I had two different car haulers down in their neck of the woods, both times they were able to get my driver back on the road with no fuss and the cost was reasonable for me. I'll be using them again for sure. Thanks again!” — Kenneth P. “Best bang for the buck when it comes to towing and emergency maintenance!! Kathy and the guys always take our calls and get us back on the road with very little worry!” — Brent M. “This so nice to have a local place that will help you at anytime! Kathy is an absolute gem to talk to, and she’ll make sure she answers your questions, or finds the answer for you! Highly recommend. — Baylee W. “Dustin towed my truck for me and he did an amazing job. Thanks for the professionalism that you had.” — Dan T. “I appreciate dealing with a company who is experienced, and can handle business without all the hassle! I needed a tow in a hurry!! Figured I’d try out a company a few other drivers recommended, and they did not disappoint!! Thanks Dustin for getting this old Peterbilt and trailer hooked and delivered safely and in a timely manner!! You guys saved me on this one, will be using you again!! Hopefully not too soon tho.” — Jared M. Big Rig Towing & Roadside Assistance in Cayuga, IN When you need heavy duty roadside assistance in Cayuga and the surrounding area, contact Bob’s Road Service at  765-709-9910  . We also offer 24/7 big rig towing in Cayuga and the surrounding IN and IL areas. Give us a call and we’ll show up ASAP to get you out of harm’s way and back on the road!

Tire blowouts are among the most dangerous and costly issues that can occur while operating a semi truck. Not only can they lead to significant downtime and repair expenses, but they also pose a serious safety risk to drivers and others on the road. Preventing tire blowouts requires a proactive approach to maintenance and driving habits. But if your big rig does suffer a tire blowout, you’ll want assistance to arrive ASAP. At Bob’s Road Service, we provide 24/7 semi truck roadside assistance in the greater Cayuga, IN area. Here are five tips for avoiding semi truck tire blowouts. Maintain Proper Tire Pressure One of the most critical factors in preventing tire blowouts is ensuring that your tires are inflated to the manufacturer’s recommended pressure. Under-inflated tires generate excessive heat due to increased friction with the road, while over-inflated tires are more prone to punctures and uneven wear. Regularly checking and adjusting tire pressure, especially before long trips, can significantly reduce the risk of a blowout. Inspect Tires Regularly Frequent inspections are crucial for identifying potential issues before they escalate. Check for signs of wear, cuts, bulges, or embedded objects that could compromise the tire’s integrity. Pay close attention to tread depth, as insufficient tread can reduce traction and make tires more susceptible to damage. Avoid Overloading Exceeding the weight limits specified for your tires can put excessive stress on them, increasing the likelihood of a blowout. Overloading not only compromises tire performance but also puts undue strain on the entire vehicle. Always adhere to the weight guidelines provided by your tire and truck manufacturers, and ensure loads are evenly distributed to prevent uneven pressure on the tires. Watch for Road Hazards Road debris, potholes, and other hazards can quickly lead to tire damage if not avoided. Practice defensive driving and maintain a safe following distance to allow ample time to react to obstacles. Staying vigilant and choosing routes with well-maintained roads can help protect your tires from unnecessary wear and tear. Schedule Regular Maintenance Routine maintenance by a professional technician is essential for the longevity and safety of your tires. This includes tire rotations, balancing, and alignment checks to ensure even wear and optimal performance. Regular maintenance also provides an opportunity for experts to identify and address underlying issues that could lead to a blowout. Heavy Duty Roadside Assistance in Cayuga, IN When you need big rig roadside assistance in Cayuga and the surrounding area, contact Bob’s Road Service at  765-709-9910  . We also provide 24/7 semi truck towing in Cayuga and the surrounding IN and IL areas!

The electrical system of a semi truck is vital for its overall functionality, powering everything from the engine to essential safety features. When electrical issues arise, they can lead to downtime and costly repairs. Recognizing the signs of common electrical problems can help you address them before they escalate. At Bob’s Road Service, we provide expert semi truck electrical repair in the greater Cayuga, IN area. Here are five common electrical problems in semi trucks. Dead or Weak Battery A weak or dead battery is one of the most common electrical problems in semi trucks. Over time, batteries lose their ability to hold a charge due to age, excessive use, or exposure to extreme temperatures. Regular battery testing and maintenance can help prevent unexpected failures. Alternator Malfunctions The alternator is responsible for recharging the battery and powering the truck’s electrical systems while it’s running. When the alternator fails, it can cause the battery to drain rapidly, leaving the vehicle without power. Warning signs of alternator trouble include dim lights, electrical components not functioning correctly, or a warning light on the dashboard. Faulty Wiring Faulty or damaged wiring can lead to various electrical problems in semi trucks. Wires can become corroded, frayed, or disconnected, disrupting the flow of electricity. Intermittent power is a sign of faulty wiring. Inspecting and replacing damaged wiring is crucial for maintaining electrical reliability. Blown Fuses Fuses are designed to protect the electrical system by breaking the circuit when excessive current flows through. However, when fuses blow frequently, it could indicate a significant underlying problem. Identifying and fixing the root cause is essential to prevent repeated fuse failures. Starter Motor Problems The starter motor is a key component in getting the engine running, and its failure can leave the truck stranded. Starter issues may arise from a worn-out motor or corroded connections. Symptoms include a clicking noise when turning the key or complete failure to start. Big Rig Repair & Roadside Assistance in Cayuga, IN When you need semi truck repair in the Cayuga, IN and Danville, IN areas , contact Bob’s Road Service at  765-709-9910  . We offer a variety of mobile big rig repair services to get you back on the road as soon as possible!

Roof leaks in semi trailers can lead to major problems for both the cargo and the vehicle’s structure. If a leak develops, it’s crucial to address it ASAP. At Bob’s Road Service, we provide expert semi trailer roof leak repair in the greater Cayuga, IN area. Here’s a look at four common causes of semi trailer roof leaks. Aging Roof Seals and Seams As the years add up, roof seals and seams can wear out, crack, or even detach, especially with continuous exposure to weather elements like sun, rain, and extreme temperatures. Aging seals are among the most frequent sources of leaks in semi trailer roofs. Regular inspection and maintenance of seals can help prevent this common cause of leaks. Corrosion and Rust Moisture exposure can lead to corrosion on semi trailer roofs, especially if the roof has sustained scratches or dents that expose bare metal. Rust eats away at metal surfaces and weakens structural integrity, which creates holes or thinning spots that allow water to seep in. Keeping an eye out for early signs of corrosion can help mitigate this issue. Improper Roof Repairs or Modifications Modifications to the trailer roof, like adding new equipment or patching with incompatible materials, can inadvertently lead to leaks. If improper materials are used or if patches aren’t fully secured, they can allow water to infiltrate. It’s important to use quality, waterproof materials specifically designed for trailer roofs when conducting repairs or modifications. Improperly Installed Roof Vents and Accessories Roof vents and other accessories, if improperly installed, can create potential entry points for water. Poorly sealed vents are especially susceptible to leaking, as they compromise the roof’s otherwise waterproof barrier. To prevent this, make sure all accessories are installed with high-quality seals and are regularly checked for signs of wear or loosening. Semi Trailer Roof Leak Repair in Cayuga, IN When you need big rig trailer repair in Cayuga and the surrounding area, contact Bob’s Road Service at  765-709-9910  . We also offer semi truck towing in Cayuga. Feel free to give us a call for 24/7 big rig service in Cayuga and the surrounding IN and IL areas!

Routine oil changes are essential for keeping any vehicle running smoothly, but for semi trucks, staying current with oil changes is especially crucial. Due to the heavy-duty demands placed on these trucks, missing oil changes can lead to serious mechanical issues, costly repairs, and unwanted downtime. At Bob’s Road Service, we provide mobile semi truck oil changes in the greater Cayuga, IN area. Here are four benefits of always staying up to date with your semi truck’s oil changes. Prolongs Engine Life Oil is the lifeblood of your semi truck’s engine. It lubricates the internal components, reducing friction and heat that can cause wear and tear. As the miles add up, oil breaks down and becomes contaminated with debris, which can damage the engine. By regularly changing the oil, you keep it clean and effective, helping to prolong the life of the engine and avoid expensive repairs or premature replacement. Improves Fuel-Efficiency Dirty, old oil can lose its ability to properly lubricate the engine parts, causing the engine to work harder. When the engine has to work harder, it burns more fuel to perform the same tasks, reducing your truck’s fuel-efficiency. Keeping up with oil changes helps ensure the engine runs smoothly and optimizes fuel-economy. Reduces the Risk of Costly Breakdowns Regular oil changes help to catch potential problems early. During an oil change, the mechanic may notice issues with engine components. By identifying and addressing small issues before they become big problems, you reduce the risk of unexpected and costly breakdowns that could leave you stranded. Keeps Your Engine Clean As oil circulates through your truck’s engine, it can collect dirt, debris, and other contaminants. If left unchanged, this dirty oil can clog up the engine’s parts and reduce its overall performance. Fresh oil helps to clean out the buildup and keep the engine’s components functioning efficiently. Mobile Semi Truck Oil Changes in Cayuga, IN For roadside semi truck maintenance in Cayuga and the surrounding area, contact Bob’s Road Service at  (765) 709-9910  . Feel free to give us a call for 24/7 big rig roadside assistance in Cayuga and the surrounding IN and IL areas!

Semi truck tire blowouts are a significant risk that can lead to dangerous driving conditions and costly repairs. Understanding the common causes can help drivers and fleet managers prevent these incidents. But if your truck does suffer a tire blowout, it’s important that help arrives promptly. At Bob’s Road Service, we provide commercial truck roadside assistance in the greater Cayuga, IN area. Here are five common causes of tire blowouts in big rigs. Underinflation Underinflated tires are one of the leading causes of blowouts. When a tire lacks proper air pressure, it cannot support the truck’s weight effectively. This causes the tire’s sidewalls to flex more than intended, generating excessive heat. Over time, this heat weakens the tire’s rubber, increasing the risk of a blowout. Regularly checking and maintaining proper tire pressure is crucial to prevent this issue. Overloading Exceeding a semi truck’s maximum load capacity places excessive stress on the tires. Overloaded tires have to bear more weight than they are designed for, which can lead to overheating and eventual blowout. Ensuring that the truck does not exceed its weight limits and distributing the load evenly across all tires can help prevent this problem. Excessive Heat Tire heat buildup is another common cause of blowouts. Driving in hot weather or maintaining high speeds can cause tires to overheat. The excessive heat causes the air inside the tire to expand, putting additional pressure on the rubber. This can weaken the tire and increase the likelihood of a blowout. Punctures and Foreign Objects Road debris and sharp objects can puncture tires, leading to blowouts. Semi trucks are often exposed to various hazards on the road, such as nails, glass, or metal scraps. These punctures can weaken the tire structure and, if not addressed promptly, can cause a blowout. Improper Tire Maintenance Neglecting tire maintenance can significantly increase the risk of blowouts. Issues like worn-out tread can contribute to tire failure. Regular tire inspections and maintenance are essential to ensuring that tires perform optimally and last longer. Commercial Truck Roadside Assistance in Cayuga, IN When you need big rig roadside assistance in Cayuga and the surrounding area, contact Bob’s Road Service at  (765) 709-9910  . We also provide 24/7 semi truck towing in Cayuga and the surrounding IN and IL areas!