Bob’s Road Service Blog

Air brake systems are critical for the safe operation of semi trucks, and any malfunction can lead to dangerous driving conditions or even accidents. Since these systems rely on compressed air rather than hydraulic fluid, they require specific maintenance and attention. At Bob’s Road Service , we provide expert roadside semi truck brake repair in the greater Cayuga, IN area. Here are four common air brake issues that should be addressed right away to keep your truck running safely. Air Leaks One of the most common problems in air brake systems is an air leak. Leaks can occur in hoses, fittings, valves, or brake chambers, and they reduce the pressure needed to operate the brakes effectively. A loss of air pressure can delay brake response time or even prevent the brakes from functioning altogether. If you notice a drop in system pressure, it’s crucial to locate and repair the leak before it compromises your braking ability. Faulty Air Compressor The air compressor is responsible for generating the air pressure used throughout the braking system. If the compressor isn’t functioning properly, it may not provide adequate pressure to keep the system operating safely. A sign of a compressor issue is that there’s slow air pressure build-up. A faulty compressor can lead to inconsistent braking performance, so it’s important to have it inspected and repaired by a qualified technician as soon as possible. Worn Brake Shoes or Linings Brake shoes and linings wear down over time due to regular use, especially under heavy loads or during long hauls. If they become too thin, they can’t provide enough friction to stop the truck effectively. Regular inspections are essential to catch wear before it becomes a safety hazard. Malfunctioning Brake Chambers Brake chambers convert air pressure into mechanical force to apply the brakes. If a chamber is cracked, corroded, or leaking, it can result in reduced braking power or even complete failure. Since healthy brake chambers are so critical, any problem should be addressed by a professional immediately to prevent serious safety risks. Roadside Semi Truck Brake Repair in Cayuga, IN When you need semi truck roadside brake 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 roadside assistance in Cayuga and the surrounding IN and IL areas!

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!