Semi trucks, also referred to as tractor-trailers or big rigs, are the largest vehicles on the road, responsible for transporting goods across vast distances. These massive trucks undergo significant wear and tear, especially during their long-distance drives, which can result in numerous maintenance and repair requirements.
Regular maintenance is crucial to prevent many problems, but there are some repairs that can be very expensive due to the size and complexity of these vehicles. In this article, we will discuss the most costly repairs that semi-truck owners may face and look at ways to minimize these costly disruptions. Keep reading to learn more.
Engine Overhaul
An engine overhaul or replacement is one of the most expensive repairs for a semi truck. The engine is the most vital part of any vehicle, and semi trucks are no exception. Due to the extensive mileage they cover, the engine components may wear out over time. Common issues that may necessitate an overhaul include:
- Cylinder head damage
- Worn-out pistons and rings
- Crankshaft or camshaft problems
- Blown head gasket
The cost of an engine overhaul can vary widely depending on several factors such as the make and model of the truck, the extent of the damage, and the labor costs involved. On average, you can expect to spend between $10,000 to $20,000 or even more for a complete engine overhaul. To avoid this expensive repair, it is crucial to stick to a strict maintenance schedule, regularly change oil and filters, and promptly address any engine warning signs.
Transmission Replacement
Large trucks, such as big rigs, are equipped with specialized transmissions that can handle heavy loads and long-distance travel required to transport goods across the country. If you notice any signs of transmission problems, it is important to address them promptly as transmission repairs can be quite costly. Some common signs of transmission issues include:
- Slipping gears
- Unusual noises (grinding or clunking)
- Delayed or rough shifting
- Transmission fluid leaks
Replacing the transmission of a semi-truck can be a costly affair, with prices ranging from $8,000 to $15,000 or even higher, taking into account both parts and labor. However, scheduling routine maintenance jobs like transmission fluid changes and inspections can help prolong the life of the transmission and minimize the chances of expensive replacements like these.
Differential Repairs
The differential is a critical component of a semi-truck’s drivetrain. It is responsible for transferring power to the wheels and allowing them to rotate at different speeds during turns. If there are any issues with the differential, you may experience vibrations, hear strange noises, or have difficulty turning. Repairing or replacing a differential can be expensive, ranging from $2,000 to $4,000 or more, depending on the extent of the damage and the type of differential system in your truck.
Brake System Overhaul
Semi-trucks are heavy vehicles that require strong brake systems to ensure safe slowing down and stopping. However, with prolonged use, the brake parts can wear out, leading to decreased braking efficiency. To fix the brake system of a semi-truck, including replacing brake pads, rotors, drums, and calipers, can require an expense ranging from $2,000 to $4,000.
Maintaining a regular brake maintenance schedule, including inspecting and servicing brake components as needed, can decrease the need for a brake system overhaul and ensure safety for both the truck and its driver.
Suspension and Steering System Repairs
Semi trucks carry heavy loads and traverse through rough terrains which put a lot of stress on their suspension and steering systems. Worn-out shock absorbers or damaged airbags can cause suspension issues which not only make the ride uncomfortable but also affect the stability of the truck. Similarly, problems in the steering system can make it difficult to control the truck.
The expenses associated with repairing suspension and steering systems can vary significantly, ranging from $1,000 to $3,000 or more depending on the extent of the necessary repairs. It is important to conduct routine inspections, perform alignment checks regularly, and promptly address any damaged components to ensure the longevity of the truck.
Electrical System Overhaul
Modern semi-trucks heavily rely on advanced electrical systems for various functions, such as engine management, safety features, and communication. Electrical problems can be challenging to diagnose and repair, potentially resulting in substantial costs. Common electrical issues include:
- Faulty sensors
- Wiring harness damage
- Battery and alternator issues
- Malfunctions in electronic control modules (ECMs)
The cost of overhauling an electrical system can vary significantly depending on the specific issue and the need for component replacement. Repairs may cost a few hundred dollars, while more complex problems that require an ECM replacement can exceed $2,000.
Choose Mann’s Wrecker Services For Your Roadside Assistance Needs
As an owner and operator of a semi-truck, you carry significant responsibilities, one of which is the financial burden of expensive repairs. Although these repairs can be overwhelming, preventive maintenance and regular inspections are efficient ways to create a buffer between your pocketbook and the day you may have to pay for a costly repair.
If, for any reason, your semi truck may have had a problem and have you stranded on the side of the road in the Jackson, Tennessee, area, give us a call at (731) 424-2173 for a quick solution! Any time of the day or night, we will arrive on the spot as soon as possible to get you back on the road safe.
