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At some point, while waiting for your tank to fill up, you’ve probably wondered what the difference is between the choices of gasoline at the pump. Typically, you see three buttons, with a number between 85 and 98, in ascending order and ascending prices. These numbers are octane ratings, which you probably know; but what is an octane rating, really?

transmission

Do you have a performance car, truck, or SUV that you’re looking to upgrade? A stall converter might be your next step; from Craig Johnson Automotive in Rowland Heights, CA, here’s what you need to know.

two men working under hood of two different cars

Nobody wants to put an engine or transmission in their car. However, when that time comes, it’s important to make an informed decision - here are some things to consider when installing a used engine or transmission, from Craig Johnson Automotive in Rowland Heights, CA.

technician holding a clean and dirty air filter comparison in the front seat of a car

When driving around town, your vehicle's engine needs clean air to burn the fuel – and it needs a lot. In fact, a typical vehicle needs about 216,000 gallons of air for every tank of gas. All that air passes through a filter that catches the dust and dirt. Eventually, the filter gets completely full, and because the filter can only hold so much, dirt starts getting through. At Craig Johnson Automotive in Rowland Heights, we want to help you get the best air quality in your vehicle, but first, we want to explain the process of where this dirty air is going. 

fleet of vehicles outside of a business

At Craig Johnson Automotive in Rowland Heights, CA we know that your commercial vehicles are a vital part of your business. These vehicles are often more susceptible to damage as well. In order to preserve the life of these vehicles, it's important to get your fleet or commercial vehicles properly maintained.

mechanic checking under hood of car

Sluggish. Squealing. Unreliable. Vibrating. If any of these descriptors fit your vehicle’s recent behavior, it just might be trying to tell you something – like it’s time for a tune-up.

Today’s vehicles differ significantly from their decades-old brethren that required a tune-up every 10,000 or 20,000 miles. With newer vehicles, it’s increasingly common for manufacturer-recommended service intervals to stretch to 100,000 miles before certain maintenance items, such as replacing the spark plugs, should be completed. 

transmission cooler

Auxiliary transmission coolers are one of many ways the aftermarket can improve the quality and durability of your vehicle. From Craig Johnson Automotive in Rowland Heights, CA, here’s some information concerning auxiliary coolers, why you might need one, and what it can do for you.

Your fleet or commercial truck works hard, every day. Most commercial vehicles are heavy, and constantly under load. As a result, your brakes will inevitably develop issues over time. At Craig Johnson Automotive in Rowland Heights, CA, we can fix that.

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