Choosing the Best Air Filter for Your Semi Truck with Confidence

Choosing the Best Air Filter for Your Semi Truck with Confidence

The heart of your semi-truck, its engine, requires an intricate balance of air, fuel, and spark to run smoothly. Among these, the air plays a significant role, ensuring the combustion process is efficient and your truck’s engine performs at its best. This is where the air filter comes into play. Let’s review the importance of a high-performance air filter in used commercial trucks and guide you through the process of choosing the best one.

The Importance of Your Air Filter

 Air filters serve as the first line of defense against harmful debris and contaminants that can significantly affect your engine’s health. Dirt, dust, and other microscopic particles can cause considerable wear and tear, leading to decreased performance and even potential engine damage. A high-performance air filter removes these contaminants and delivers optimal airflow to your engine, promoting better fuel efficiency and power.

Choosing the Right Brand of Air Filter

 With a myriad of options available in the market, choosing the right brand of air filter for your semi-truck can seem daunting. Here’s what you should consider:


The first step in choosing a high-quality air filter is to look for reputable brands in the market. Brands with a long-standing history typically provide reliable and efficient products.


Review the performance data of the air filters you are considering. A high-performance air filter will have high efficiency and capacity ratings.


Ensure the air filter is compatible with your specific semi-truck model. An incompatible air filter will not perform efficiently and may cause damage to your engine.


Check customer reviews and professional evaluations. They can provide real-world insights into the product’s durability and performance.

How Often Should You Change the Air Filter for Your Semi Truck?

 The frequency of air filter replacement largely depends on your driving conditions and the specific recommendations of your truck’s manufacturer. Generally, it’s advisable to change the air filter every 15,000 to 30,000 miles. However, if you frequently drive in dusty or dirty conditions, you may need to change it more frequently. Always refer to your semi truck’s manual for manufacturer-recommended maintenance intervals.

How to Inspect Your Air Filter

Remove the Air Filter: First, you’ll need to remove the air filter from its housing. Consult your truck’s manual for specific instructions on how to do this.

Visual Inspection: Examine the filter for any obvious signs of damage or excessive dirt build-up. If the filter appears to be overly dirty or damaged, it’s time for a replacement.

Light Test: Hold the filter up to a light source. If you can see the light coming through clearly, the filter is still in good condition. If the light is largely blocked, it’s an indication that the filter is dirty and may need replacing.

Visit C&M Motors for Used Commercial Trucks and Help Choosing an Air Filter

 Choosing the right air filter for your semi-truck can be a challenging task, but you don’t have to do it alone. At C&M Motors, we offer a wide range of used commercial trucks, and our knowledgeable staff is always ready to assist you in choosing the right air filter for your needs.

Get in touch with us to learn more and shop our selection of used commercial trucks.

Commercial Truck Diesel Engine Maintenance: A Comprehensive Checklist

Commercial Truck Diesel Engine Maintenance: A Comprehensive Checklist

Diesel engines are known for their durability and efficiency, which makes them a popular choice for commercial trucks. These trucks endure a lot of wear and tear, and regular maintenance is crucial for ensuring their longevity and optimal performance. That’s why we’ve put together a detailed checklist for maintaining diesel engines on commercial trucks and where to get professional commercial truck repair services.

Check the Oil

Oil plays a critical role in the smooth functioning of your diesel engine. It lubricates moving parts, reduces friction, and helps to dissipate heat. Here’s how to check the oil on your commercial truck:

  1. Park the truck on level ground.
  2. Turn off the engine and wait at least 10 minutes for the oil to settle.
  3. Pull out the dipstick, wipe it clean, and reinsert it fully.
  4. Pull out the dipstick again and note the oil level. It should be between the “MIN” and “MAX” markers.
  5. Inspect the oil for consistency and color. It should be smooth and not too thick, with a dark brown or black hue.
  6. If the oil level is low or the oil appears dirty, plan an oil change with a trusted professional like C&M Motors.

Review the Coolant Level and Strength

Coolant is vital for maintaining the engine’s temperature and preventing overheating:

  • Ensure the engine is off and cool to the touch.
  • Locate the coolant reservoir and inspect the fluid level. It should be between the “MIN” and “MAX” markers.
  • If the coolant level is low, top it up with the appropriate coolant mixture (usually a 50/50 mix of coolant and distilled water).
  • Periodically, test the coolant strength with a hydrometer or refractometer. This ensures that the coolant is providing adequate freeze protection and corrosion resistance.

 Is the Air Conditioning Working?

A functional air conditioning system is essential for driver comfort and safety. Here’s how to check your truck’s air conditioning:

  1. Start the engine and turn on the air conditioning to the highest setting.
  2. Check the airflow and temperature at the vents. The air should be cool and consistent.
  3. Listen for any unusual noises, such as grinding or squealing, which could indicate a problem with the compressor or fan.
  4. If the air conditioning isn’t working correctly, schedule an inspection with a professional technician.

A Comprehensive Engine Check

Regular engine checks are crucial for catching potential issues early:

  • Inspect the belts for signs of wear, such as cracks or fraying. Replace them as needed.
  • Check the hoses for any leaks, cracks, or bulging.
  • Look for signs of fuel, oil, or coolant leaks around the engine.
  • Inspect the air filter and replace it if it’s dirty or clogged.
  • Check the exhaust system for damage or leaks.
  • Inspect the battery for corrosion and ensure the connections are tight.

Full Tire Checks

Properly maintained tires ensure safety and fuel efficiency:

  1. Check the tire pressure with a reliable gauge. Inflate or deflate tires as needed to match the manufacturer’s recommendations.
  2. Inspect the tires for uneven wear, cuts, punctures, or bulges.
  3. Check the tread depth with a tread depth gauge. Replace tires if they’re below the minimum tread depth specified by the manufacturer.
  4. Inspect the wheel alignment and balance to prevent uneven tire wear and potential steering issues.

Schedule Commercial Truck Repair at C&M Motors

Regular maintenance is essential for keeping your commercial truck in optimal condition. However, even with diligent care, problems can still arise. When you need professional help, trust the experts at C&M Motors.

At C&M Motors, we specialize in commercial truck repair and maintenance. Our skilled technicians are trained to handle various aspects of diesel engine repair, from routine maintenance to complex engine diagnostics.

Get in touch with us to get a quote for your repairs.

These Signs Mean Your Truck Needs Alternator Repair

These Signs Mean Your Truck Needs Alternator Repair

The alternator is one of the most important components of a truck’s electrical system. It charges the battery and keeps the electrical system running while the engine is running. If the alternator fails, the battery will not be charged, and the truck will eventually stop running. Here are the signs that your truck needs commercial truck repair.

The Battery is Consistently Dead

If your truck’s battery is consistently dead, even after being jump-started, it could be a sign that your alternator is not functioning properly. The alternator is responsible for charging the battery while the engine is running. If the alternator is not working properly, the battery will eventually run out of charge and will not be able to start the engine.

Headlights and/or Interior Lights are Dimming and Flickering

If you notice that your headlights and/or interior lights are dimming and flickering, it could be a sign of alternator trouble. The alternator provides power to the electrical system, and if it is not functioning properly, the lights may not be receiving enough power to stay lit. In some cases, the lights may even flicker or pulsate.

How the Heavy-Duty Electrical System in a Truck Works

A truck’s electrical system is more complex than that of a passenger car. It includes a heavy-duty alternator, larger batteries, and more powerful electrical components. The alternator is responsible for providing power to the electrical system, and it is connected to the engine by a belt. When the engine is running, the alternator spins and generates electricity that is used to charge the battery and power the electrical system.

Doing a Visual Inspection of Your Battery and Alternator

If you suspect that your truck’s alternator is not working properly, you can do a visual inspection of the battery and alternator. Check the battery for any signs of damage, such as cracks or corrosion. If the battery is damaged, it may not be able to hold a charge, even if the alternator is working properly. Next, check the alternator for any signs of damage or wear, such as frayed wires or a damaged belt.

Bring Your Truck to C&M Motors for Commercial Truck Repair

If you notice any of the signs listed above, it is important to bring your truck to a reputable commercial truck repair shop like C&M Motors. Our experienced technicians can diagnose and repair any issues with your truck’s alternator or electrical system. We use only the highest-quality parts and equipment to ensure that your truck is running at peak performance. Contact us today to schedule an appointment for your truck’s alternator repair.

Commercial Truck Repair: How to Choose a Reliable Service

Commercial Truck Repair: How to Choose a Reliable Service

If you’re the owner of a commercial truck, then you know that it’s important to find a reliable repair service. When your truck is out of commission, it can mean big losses for your business. That’s why it’s important to do your research before choosing a service. Here are some tips for how to choose a reliable commercial truck repair service.

Check the Services Offered

When you’re looking for a truck repair service, the first thing you should do is inquire about the services they offer. Not all shops will be able to provide the same services. For example, some may specialize in engine repairs while others may not. Make sure that the shop you choose offers the services that you need.

Check if They’re Certified Mechanics

It’s also important to make sure that the mechanics at the truck repair shop are certified. This will give you peace of mind knowing that they have the skills and knowledge necessary to properly fix your truck.

Find a Shop Near You

Another thing to consider is whether or not there’s a shop near you. It’s always more convenient to take your truck to a shop that’s close by. That way, you don’t have to waste time and money on transportation costs.

Ask About Pricing

Always be sure to ask about pricing. This is important because you need to know if the prices are fair and reasonable. You also need to know if there are any hidden costs that you should be aware of.

Ask About Parts

Another thing you should ask about is the parts that they use. It’s important to make sure that they use high-quality parts so that your truck will be fixed properly. You also want to inquire about the warranties for parts.

Check Recommendations and Reviews

Finally, it’s a good idea to check recommendations and reviews before choosing a commercial truck repair service. This way, you can get an idea of what others have thought about the services they’ve received. You can also find out if there are any red flags that you should be aware of.

Choose the Industry Experts at C&M Motors for Your Commercial Truck Repair!

Our certified mechanics have the skills and knowledge necessary to properly handle your commercial truck repair. We have 2 convenient locations to serve you in the greater San Diego area, National City and Vista. We offer a wide range of services, including engine repairs, and we only use high-quality parts.

We understand how important it is for you to get back on the road. Contact us today to get a quote!

Keeping Businesses on the Move

Keeping Businesses on the Move

As we are all aware, 2020 was a tumultuous year…one that most of us would rather not repeat. Many businesses have been hit hard by the effects of the pandemic and some are struggling just to stay afloat.

At C&M Motors, we are looking at ways to help our local businesses with their transportation needs but in a creative and less costly ways. For many, it is imperative to have transport trucks to move goods to market, but the cost of a new truck may not be possible right now.

With that concern in mind, we have increased our inventory of quality, newer used trucks and are outfitting them for customers so they can continue to provide their services without the burden of a new truck loan or lease. All our trucks are inspected by trained technicians, made road-worthy and are backed by our maintenance team. Many are eligible for an extended warranty through the manufacturer, Hino.

Used Trucks Customized to Your Needs

Our used inventory is largely comprised of medium duty trucks which we can configure with racks, lifts, and other customizations to meet your transportation needs. If you need something special, whether it is a particular size truck body or special shelving inside your box truck for organization, we can make that happen.

We are hopeful with the vaccination process beginning, we will see the end of the pandemic soon. We are working hard to bring you creative solutions to bridge the gap until we resume normal business activities.

We wish you a safe and prosperous 2021 and encourage you to contact us for any of your trucking needs.

Why C&M Motors

C&M Motors is a locally owned and operated family business serving the greater San Diego area since 1982. With 2 locations to serve you (National City and Vista), we offer a more personalized experience and customized services to meet your business needs. Sales, service, rentals, maintenance, collision, fabrication, parts, and 24/7 emergency roadside assistance are all available at C&M Motors.

Give us a call to learn more.


C&M Motors Inc

(800) 736-3443

Commercial Truck Repair

Commercial Truck RepairC&M Motors has highly trained technicians and a vast selection of parts to ensure your truck is repaired in an efficient manner and to the highest quality. Whether you have a small repair, a larger project or need routine scheduled maintenance, with two convenient locations we can get your truck back on the road quickly. We also offer a pick-up and delivery service as well as a shuttle transportation to get you back to your location.

We are prepared to complete a full range of commercial truck repairs for all makes and models and complete repairs from small mechanical issues to entire engine overhauls as well as a full service body shop to keep your truck running and looking great.

           Routine Maintenance helps Minimize Truck Repairs

Routine scheduled maintenance is a specialty at C&M and we have a great system in place to track and notify you when service is due for your vehicle which also includes recommendations for the future that can ensure your truck stays running and on the road in the best condition possible. We can also build a custom maintenance plan for you that will fit your schedule while keeping your valued truck maintained properly.

Fleet maintenance, warranty repairs and contract maintenance are just a few of the services we offer and if the need arises, we are equipped for emergency mobile repairs, even repairs at scales. We also are able to complete DOT/BIT inspections when they are due.

C&M Motors looks forward to serving your commercial truck repair needs in the most professional manner with customer service at the fore.

C&M Motors – San Diego’s premiere Hino dealership!

(800) 736-3443

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