Automotive Industry News & Information - Craig Johnson Automotive

If you own or operate a fleet or commercial truck, you know it’s hard to keep everything working perfectly all the time. You have to choose what to give priority to, and what can wait. However, some small problems are indicators that a bigger issue is on the way. At Craig Johnson Automotive in Rowland Heights, CA, our goal is to keep you and your fleet going.

While transmissions are extremely complicated and it takes a professional hand to work on one, taking care of the one you have isn’t difficult. At Craig Johnson Automotive in Rowland Heights, CA, we understand the importance of caring for your transmission properly, so that it stays in good condition for as long as possible.

If you own or operate a fleet or commercial truck, you’re likely no stranger to dashboard warning lights. Increasingly, a common source of headache for many operators is the ABS, or Anti-lock Braking System light. Here’s what you need to know from Craig Johnson Automotive in Rowland Heights, CA.

At Craig Johnson Automotive in Rowland Heights, CA, we service all types of transmissions, on any car, truck, or SUV. This includes both All-Wheel Drive and Four-Wheel Drive vehicles, but you may be wondering...what’s the difference? Both types of vehicle supply power to all four wheels, so why use two different terms? Due to the increasing demand for AWD and 4WD vehicles over the last decade, equipped on everything from sports cars to pickup trucks, more and more people are asking these same questions.

If you own or maintain a fleet of vehicles, you understand what a huge investment multiple vehicles can be, especially when dealing with semis and other commercial trucks. At Craig Johnson Automotive in Rowland Heights, CA, we’re here to help you protect that investment.

Mechanic taking apart of an engine out from under the hood

An engine can last anywhere from 50 to 500,000 miles depending mostly on how well you maintain it. While some engines are certainly more reliable than others, all of them depend on maintenance to fulfill their greatest potential. Craig Johnson Automotive in Rowland Heights, CA has provided for you some of the determining factors of engine lifespan, to help you make sure your engine lasts as long as it possibly can.

The heads on your commercial or fleet diesel are one of the most integral parts of your engine. The heads are comprised of the valvetrain, exhaust ports, intake ports, and injector ports. In essence, a head’s purpose is to regulate and time the intake of fresh air, the release of exhaust, the compression of fuel and air that provides combustion, and the entry point for fuel into the cylinder. The head is where all the complex aspects of engine operation occur...without it, you just have a chunk of metal with pistons in it, and no way to make them move. Here’s what you need to know about your heads, from Craig Johnson Automotive in Rowland Heights, CA.

Your vehicle's cooling system is one of the most important systems in your vehicle. Inside your engine, spark plugs ignite the fuel within the cylinders to produce small explosions that propel your vehicle down the road. With small explosions comes scorching temperatures that can destroy your engine if not controlled. There are two types of cooling systems - liquid-cooled and air-cooled.