Salazar Semi-Truck Repair Blog
Your Guide to Successful Truck Repairs and Maintenance

Drive with Confidence Get Your Free Visual Inspection Today!

Before you embark on your next haul, ensure your semi-truck is operating at peak performance with Salazar Semi Truck Repair Shop's elite, complimentary vehicle inspections. Dive into a complete diagnostic odyssey, covering your air conditioning and radiator, alongside a detailed cooling system evaluation and a precise alignment check — all offered absolutely free. Why settle for less when you can drive with certainty and comfort? Reserve your inspection slot now and experience the unparalleled peace of mind that comes with expert, meticulous care. At Salazar, your truck’s reliability is our highest command. Reach out today, and let's ensure your vehicle stands as a paragon of roadworthiness.

Diesel Mechanic Excellence for Every Heavy Truck

Searching for a "diesel mechanic near me" in Dallas, TX? Look no further! Our skilled team handles all makes and models of semi-trucks, ensuring your vehicle receives top-notch service, regardless of its brand. We pride ourselves on our broad expertise, ranging from classic models to the latest rigs on the road.
Our mechanics are not just technicians; they're diesel experts passionate about every bolt, engine, and system in your truck. Whether you own a vintage Freightliner, a modern Peterbilt, or any other semi-truck, or box truck. we're equipped to provide comprehensive service tailored to your diesel truck's unique needs. Trust us to keep your semi running at its best, no matter the make or model.

Why Semi-truck Requests a Forced Regen?

A semi-truck requests a forced regeneration when its Diesel Particulate Filter (DPF) soot load is too high for passive or active regeneration to effectively clean it. This situation typically arises when the truck does not operate under conditions conducive to passive regeneration, such as continuous long-haul driving where the exhaust system reaches high temperatures naturally. Forced regeneration is a process initiated either manually or automatically to burn off the excess soot accumulated in the DPF, which is essential for maintaining the truck's performance and preventing potential damage to the exhaust system.

🚚 Maximize Your Semi-Truck's Performance with Regular Alignment Checks 🛠️

Regular alignment checks on semi-trucks are more than just routine maintenance; they are essential for optimal performance and safety. Here's why:

Extended Tire Life: Proper alignment prevents uneven tire wear, significantly extending tire lifespan.
Improved Fuel Economy: Aligned wheels reduce rolling resistance, leading to better fuel efficiency.
Enhanced Safety: Correct alignment ensures better handling and stability, reducing the risk of accidents.
Lower Repair Costs: Regular checks can detect and correct alignment issues before they cause more serious damage to your truck's suspension and steering systems.
Comfortable Driving Experience: Properly aligned trucks offer a smoother ride, reducing driver fatigue and strain.

🔧 Is your semi-truck aligned for the long haul?
Don’t wait for signs of trouble. Schedule your alignment check today and keep your truck running smoothly and safely!
📞 214 761 9082

Why Semi-Truck A/C Systems Fail?

Low refrigerant owing to leaks is a typical cause of A/C system failure nowadays. Modern high-torque engines generate a rotating or twisting strain in the frame, which causes loose A/C system connections and fractured condensers.

What are the most common causes of air conditioner breakdowns? When an air conditioner compressor fails, it is frequently the result of an underlying issue that stresses the system, such as dirty coils, low refrigerant, electrical difficulties, and more. Annual maintenance often detects worn and damaged parts before they require emergency repairs.

The benefits of certified air conditioning service We always bring a top-of-the-line air conditioning recharge machine to give you the best results when we service your air conditioning system. This verifies that all the work is correct before hitting the road again. Your air conditioning system will work at peak efficiency. We will do everything we can to ensure your truck has a properly repaired air conditioner.

What does a semi-truck exhaust leak sound like?

If you know what an exhaust leak sounds like, you can perform an audio inspection. Begin in the engine bay while your vehicle is running. Check to see if you can detect a distinct noise coming from the exhaust manifold. An exhaust leak in this section will sound more like a ticking or puffing. Next, check your exhaust system for leaks at any unions or joints.

A leak will sound more like a buzz, hum, or your truck will sound like a hotrod once you reach your particulate filter. Generally, the greater the noise, the closer it is to the engine. It may be good to have a friend rev the engine intermittently during this inspection so you can hear the differences in exhaust sound. Remember, never touch the hot exhaust components during this check! If doing that inspection is too tough for you, come to our shop for a free full exhaust system inspection. Call for more information.

Problems with wheel seals

When traveling at high speeds, you might damage your truck's wheel seals by allowing dirt and debris to get pushed into the bearings. Bearings must be lubricated when moving. If dirt and debris get into the oil that surrounds the bearings, their lifespan will be diminished.

The primary function of wheel seals is to keep grease and debris out of the wheels. Rubber on wheel seals deteriorates with time, allowing lubricant to leak. Wheel seals can deteriorate much faster if they are not lubricated.

Semi-truck diagnosis and repair

In modern engines, computers monitor a number of sensors. Consider the possibility that one of these sensors records a value that is higher or lower than expected.
We can look for fault codes in the engine computer. A reading code indicates whether it is low or high. The error number identifies the specific reading that is incorrect.
There is no explanation for why the reading is either abnormally high or excessively low. The technician must still determine the cause of the problem.
Our diagnostic technology is capable of quickly diagnosing a faulty semi-truck. A certified technician is still required to do a comprehensive diagnosis. Preventative maintenance lowers truck repair costs and detects problems early.

Complete Semi-truck Repair Shop

When you visit our shop, you will discover a variety of services that you were unaware existed but urgently needed. We provide a variety of semi-truck repair and maintenance services, such as air brake repair and maintenance, radiator repair and replacement, and alignment; if the alignment fails, we fix the suspension or axles, kingpins, bushings, and leaf springs.

In addition, we service Detroit, Cummins, and a range of other engines. Call to see if we can fix your semi-truck.

Five Reasons Why Semi Truck Bushings Can Get Worse Over Time

Wear and tear: Because bushings are constantly moved and stressed, they can become worn down and lose effectiveness.
Corrosion: Bushings can become damaged by exposure to salt, water, and other corrosive substances.
Poor maintenance: If a semi-truck is not adequately maintained and lubricated, the bushings can dry and fail prematurely.

Overloading: If a semi-truck is consistently overloaded, it can put extra stress on the bushings, causing them to wear out faster.
Age: Over time, all mechanical components, including bushings, will inevitably wear out and require replacement.

Top Signs Your Heavy Truck Needs Immediate Service️

Operating a heavy truck is a massive responsibility, not just for the cargo it carries but also for the safety of everyone on the road. Recognizing the signs that your car needs immediate service can prevent breakdowns, save money on repairs, and ensure safety. Here are critical indicators that a professional must check your heavy truck without delay.

Warning Lights on the Dashboard When your truck's dashboard lights up with the engine check or any other warning lights, paying attention is crucial. These alerts are your first indicators that something might be wrong with your truck. Ignoring them could lead to more severe problems or a complete vehicle failure.
Unusual Noises Any new or strange sounds—such as grinding, banging, hissing, or popping—should cause immediate concern. These sounds could indicate anything from brake failures to problems with the transmission. Early diagnosis can save you from costly repairs later.
Smoke or Excessive Exhaust Seeing smoke or excessive exhaust fumes is not only a sign that your truck needs immediate attention but also a potential environmental hazard. The smoke of different colors can indicate various issues, such as blue smoke pointing to oil burning or black smoke indicating a rich fuel condition.
Oil Leaks or Fluid Loss If you notice any puddles or drips under your truck, it could be a sign of a leak. If not addressed promptly, oil, coolant, and other fluid leaks can lead to critical failures. Regularly check under your truck and engine compartment for signs of leaks.
Decreased Performance or Fuel Efficiency A sudden drop in performance or fuel efficiency can signal several issues, including engine problems, clogged filters, or issues with your exhaust system. Noticing that your truck needs to be operating as smoothly or efficiently as it should could mean it's time for a service check.
Vibrations or Handling Changes If your truck starts to vibrate excessively or if you notice a change in its handling, this could indicate issues with your tires, alignment, or suspension system. These symptoms should not be ignored as they can lead to unsafe driving conditions.

Being proactive about truck maintenance is the key to ensuring your vehicle operates safely and efficiently. At the first sign of any of these issues, it's essential to have your truck inspected by a qualified professional. Remember, addressing minor problems before they become major can save you time and money and ensure you're safe on the road.

Is your truck showing any of these warning signs? Take your time with a small problem to become a big one. Contact us today to schedule a service appointment and ensure your truck is in top condition!

Expert Fixes for Your DD15 Engine️

The DD15 diesel engine, widely used in the heavy truck industry, is known for its reliability and efficiency. However, like all engines, it can encounter some common issues. Here are a few of them:

EGR Valve Failure: The Exhaust Gas Recirculation (EGR) valve in the DD15 can fail, leading to performance issues. This is often due to carbon buildup, causing the valve to stick and impede proper engine function.
DPF Clogging: The Diesel Particulate Filter (DPF) is prone to clogging, especially in trucks that don't frequently drive at highway speeds. Regular cleaning and maintenance are necessary to prevent this problem.
Coolant Leaks: Coolant leaks, particularly from the EGR cooler, can occur. This might lead to overheating and further damage if not promptly addressed.
Turbocharger Problems: Turbocharger issues, such as wear and tear or oil contamination, can affect the engine's performance, leading to reduced power and efficiency.
Fuel System Issues: Problems with the fuel injectors or the high-pressure fuel pump can cause a range of issues, from rough idling to a complete failure to start.

We excels in fixing common DD15 engine issues with trained mechanics providing same-day services, free inspections, and affordable rates. we specialize in efficient, cost-effective repairs, including emergencies. Visit our shop for more on DD15 engine expertise.

The 5 Most Common Radiator Issues

Leaks. Leaky hoses are the most common cause of radiator leaks, but you can also have leaks in the radiator itself, which can be a bigger problem.

Inadequate coolant will cause the radiator to rust.

Pouring water into the radiator will corrode the system's metal moving parts, resulting in rust. When metal elements rust, such as the impeller and water pump, the lack of coolant flow from the radiator through the engine block might cause issues. That is even more costly to repair.

Other Obstructions and Gunk

The brown substance emerging from the radiator is corrosion and deposits accumulated in the cooling system. If you've already flushed the cooling system, I recommend removing the thermostat and housing, as well as the radiator hoses, and washing the engine with flowing water through a water hose.

A malfunctioning water pump or thermostat

Because a dead or dying water pump cannot circulate coolant through your vehicle's engine; it will overheat. The higher the temperature of the engine, the greater the risk of significant damage, such as a broken engine block and damage to the cylinders, pistons, and head gasket.
When idle, the computer overheats. If the thermostat fails, coolant flow is blocked, and the engine may begin to overheat.

Semi-Truck Alignment

Between 70 and 80 percent of today's heavy-duty commercial trucks require truck alignment. This causes uneven tire wear, and since diesel and tires are the two major operating expenses for commercial transporters, the extra wear soon adds up and eats into profits. trucks pulling to one side or uneven tread wear patterns on truck tires.
Class 8 trucks have multiple drive axles, so the front end only carries part of the load. While the front tires do the turning and absorb the side stresses, the driving axles must also be properly aligned.
An out-of-phase drive axle can cause a "thrust" or "scrub" angle problem, pushing the vehicle off centerline or spinning it. The drive axles oppose the steering tires in both circumstances. This increases tire wear on the front tires, fatigue for the driver, and fuel consumption. Misaligned axles can cause thrust or scrub issues for commercial vehicles.

What causes semi-truck suspension damage?

A rapid jolt caused by a pothole or other roadway impediment could ruin this mechanism. The shocks' wear and tear on your vehicle's suspension components shortens their life. Such bumps can accumulate over time and cause issues with your vehicle's suspension and alignment.

Is it possible to fix suspension problems?
The bulk of suspension components are constructed of forged steel, cast steel, or aluminum, and therefore cannot be repaired if they are bent in a collision. For safety reasons, never attempt to straighten a bent suspension component. Replace broken components with new ones at all times.

Is it safe to drive a semi-truck with a damaged suspension?
No. It is not recommended. Sagging and noise can be caused by a damaged shock absorber or collapsed leaf spring, as well as changes in alignment angles. While you will be able to drive, the ride will be uncomfortable, and in an emergency, the semi-truck will be tough to control.

Radiator and Cooling System Repairs

Semi-Trucks frequently overheat as a result of the massive loads they carry on a daily basis. One of the most prevalent causes of truck overheating is leaking or clogged radiators. If your truck is overheating in the Dallas, TX region, bring it to our shop for a free inspection. Our skilled mechanics will diagnose the problem and determine the cause of the overheating. We repair semi-truck radiators, blown gaskets, and diesel leaks, which can all cause your truck to overheat.

A radiator leak is an evident cause of an overheated engine. Check to see if it's antifreeze that's causing your truck to leave puddles everywhere you park. If your air conditioner vents have that distinct sweet odor, it's a warning that something is amiss with the cooling system. When your truck overheats, you may be able to see where the leak is coming from if you look under the hood.

If your coolant level is continuously low, it is a sign that you are losing fluid someplace. here in Dallas for all of your cooling system repairs and maintenance. Our professionals will assist you in quickly diagnosing your problem so that you may prevent costly delays.

What causes oil leaks in semi-trucks?

The most typical causes of leaks are a cracked engine gasket, a leaking oil pan, or malfunctioning oil seals. After checking the timing cover seal and the valve cover gasket, you must check the valve cover gasket. Also, ensure the oil pan drain plug is in good condition. Repairs may be required if there are issues in this area.

The most common cause of oil leaks is damaged gaskets, which are used to seal two metal components in the engine. Sludge collects in the gasket over time, corroding it. We can assist you in getting a timely response and servicing your truck on your terms if you want to avoid being put in a difficult situation. Your business must run efficiently and without interruptions to provide peace of mind.

If you feel that the engine in your truck is leaking oil, you can obtain a free checkup. Visit our shop for a free oil leak inspection, or call for additional details.

🚛 Need Reliable Semi Truck Repairs in Dallas? We've Got You Covered! 🛠️

If you're in Dallas and looking for dependable semi-truck repair services, you're in luck! Whether it's maintenance or comprehensive repairs, Dallas offers top-notch services for your heavy-duty truck. From emergency breakdowns to routine maintenance, skilled mechanics are available to get you back on the road quickly and safely.

With a range of options including commercial truck mechanics, engine repairs, and full-service shops, you can find the perfect solution for your truck's needs right here in Dallas.

🔧 Don’t let truck troubles keep you down. Reach out now for expert semi-truck repair services near you and ensure your vehicle is in peak condition!
📞 214 761 9082