If you own or operate a fleet or commercial truck, you’re probably pretty familiar with diesel vehicles. But why are diesel engines predominantly used in commercial vehicles, and where did they start?

When you think about diesel engines, you probably think about large trucks and machinery, and maybe a few oddball cars over the years.  But how long has diesel really been around, and why is it used the way it is today? Davis Auto Care in Grass Valley, CA has the answers you need to become more in-tune with your diesel truck and engine. 

No matter what type of fleet vehicles or commercial trucks you maintain, the fuel system on your diesel is an integral part of keeping you on the road. Gas systems are pretty simple - there’s basically just a pump that pushes gasoline to the injectors. Diesels are a bit more complicated.

When it comes to installing new tires on your Dodge, Chevy, or Ford diesel pickup, you want it done right the first time. Our technicians have the equipment necessary to get you cruising smoothly down the road in no time.

At Davis Auto Care in Grass Valley, CA, we understand that no matter how well something is maintained, everything breaks eventually. Fortunately, our team of expert mechanics can repair just about anything, saving your business a lot of money in the process.

Is your engine knocking or ticking? Here’s some information on engine noises, what they mean, and what to do about it, from Davis Auto Care in Grass Valley, CA.

Whenever your engine starts making a noise it shouldn’t be making, it’s always a cause for concern. If you’re hearing a rhythmic ticking or knocking sound, definitely have it checked into immediately. Here are some causes of engine ticks and knocks, and what to do about them.

We know how important a good exhaust setup is on a diesel truck. Whether you’re powered by a Cummins, a Duramax, a Powerstroke, or something else, your exhaust plays a major role in performance, engine sound, and even aesthetics. At Davis Auto Care in Grass Valley, CA, our professional mechanics have the equipment, knowledge, and ability necessary to get your exhaust in shape.

Whatever type of truck you run in your fleet, they all have a driveshaft that connects the transmission to the differential, transferring power to the wheels. At Davis Auto Care in Grass Valley, CA, we specialize in diesel truck and fleet vehicle maintenance and repair, including precision driveshaft care.

Diesel engines are known for their durability, but even the best engine has to be replaced every once in a while. At Davis Auto Care in Grass Valley, CA, we want you to be aware of signs that your engine is about to call it quits.

You’re Chevrolet, Ford, or Ram diesel pickup is a heavy-duty machine, designed to tackle all kinds of situations. The ball joints that connect your suspension to the rest of the truck are under a tremendous amount of strain, both on and off-road - it’s important to keep an eye on them, and make sure they’re in proper working order. Here’s how to gauge the condition of your ball joints, from the professionals at Davis Auto Care in Grass Valley, CA.

Once your diesel truck is back on the road, you’ll definitely want to keep it running strong. At Davis Auto Care in Grass Valley, CA, we’ve got you covered.

Keeping your fuel system maintained will prevent premature parts failure and poor running conditions. Here at Davis Auto Care we have tips on the important aspects of diesel fuel system maintenance, to keep your diesel fleet trucks running smoothly - longer.

Air.Air in the system causes all kinds of issues, from hard starting, poor running conditions, or an engine that won’t run at all. If too much air gets in the system, the fuel pump won’t be able to deliver fuel, and the engine will stall, die, or fail to start.  Air enters the system via a leak or a bad seal - a deteriorated o-ring, worn component, faulty hose, or otherwise. Here we inspect your lines and connections to ensure they are in good shape and track down any leaks we notice air in the system.

Electrical issues in a vehicle have always been difficult to track down; with the complexity of modern vehicles ever-increasing, sometimes it can seem nearly impossible. Fortunately, at Davis Auto Care in Grass Valley, our team of expert technicians is well trained and perfectly equipped to track down and repair even the most evasive issues in your Ford, Dodge, or Chevy diesel pickup.

You have determined your Cummins, Duramax, or Powerstroke engine needs to be replaced. You might be on the fence about whether you should replace the engine in your diesel, or just get a new truck. At Davis Auto Care in Grass Valley, CA, we’re here to help.

We know how important a good exhaust setup is on a diesel truck. Whether you’re powered by a Cummins, a Duramax, a Powerstroke, or something else, your exhaust plays a major role in performance, engine sound, and even aesthetic. At Davis Auto Care in Grass Valley, CA, our professional mechanics have the equipment, knowledge, and ability necessary to get your exhaust in shape.

Once you’ve settled on an engine, the last thing you want to do is cut corners on the final steps. At Davis Auto Care in Grass Valley, CA, we understand the importance of your investment.

If you’re running a truck (or trucks) without an auxiliary oil cooler, it may be something you want to consider. Here’s some information on auxiliary oil coolers, what they are, and why they’re a great upgrade, from Davis Auto Care in Grass Valley, CA.

Our fleet truck customers do not need to spend valuable time in the shop with transmission issues due that could have been avoided by servicing their fleet vehicles based on their owner's manual recommendations!  Especially if it is simply changing a clogged filter, changing fluids or clutch issues!  Our transmission technicians here at Davis Auto Care in Grass Valley believe that service = saving high repair bills!   Therefore, we believe in a proactive approach!

Here at Davis Auto Care in Grass Valley we often do diagnostics and sometimes the problem is obvious after hooking the car up to the computer and reading the codes.  However, sometimes it isn't obvious during a test drive or after hooking it up to all those computer programs!  You know there is a problem and a Check Engine Light is on with the fleet customer telling you the car has been having issues starting and the light has been going off and on depending on several factors.  No pattern, no simple answer but the problem becomes obvious when you start following the "threads of the issue" thanks to all that ASE Technician training.