Tire Speed Ratings
The Alphabet Soup Debate
Using Caster to Properly Align Vehicles
Every story has an angle, and this one is no exception. In this case, we’re looking at one of the fundamental wheel alignment angles: caster. Caster is defined as the forward (negative) or rearward (positive) tilt of the steering axis as viewed from the side. Caster is measured in degrees from an imaginary line perpendicular
Brake Performance Upgrades: Meeting Customer Expectations While Ensuring Safe Repairs
In case you haven’t noticed, the auto manufacturers are in a horsepower race. And as horsepower numbers go ever higher, the need for improved brakes increases. BMW has kept pace with the other manufacturers in both areas by systematically increasing brake component size while, at the same time, turning more control over to the various
When To Replace Steering Knuckles and Arms
Alignment Angles Provide First-Hand Clues You’ve seen it a hundred times. A vehicle comes in with abnormal wear on a front tire. It looks like camber wear. One shoulder is badly worn, but the other front tire appears to be OK. You put it on your alignment machine and check camber and toe. Sure enough,
Under Pressure: Power Tools
Those two words say a lot when speaking about air tools. The first and most obvious is that air tools need pressure to operate properly. Everyone knows that with enough air pressure you can make any air tool do the job you want it to do, right? Another way of looking at these two words
Chassis Dynamics
A Firestone sales jingle gave us a good definition of chassis dynamics: “Where the rubber meets the road.” There are four tire tread contact patches that support the weight and control the motion of a vehicle. There are a lot of terms used to describe the motion of an automotive chassis and how it affects
Beware: There’s a New Kid on the Block
You just never know who your next competitor will be. Think beyond the import specialist shop down the road and the franchised service outlet around the corner. Think retail. Think J.C. Whitney & Company, the giant direct marketer of name-brand automotive parts and accessories, providing “everything automotive” with more than 100,000 items covering more than
Performing Hyundai Maintenance and Profiting From It
Like so many other late-model vehicles, the Hyundai vehicle lineup won’t necessarily keep your bays busy with “repair” work, but can present you with profitable maintenance opportunities. We can no longer afford to let any opportunity for service go unnoticed, and hope that the customer will come back for the next job. It’s an important
How Tread Design Impacts Wear, Traction, and Noise
When delving into the world of tread designs, one thing that is always fascinating is the size of the contact patch through which the tread design must roll. On an average-size passenger car tire, the contact patch is about the size of a 4×6-inch postcard. In total, all four contact patches reach about the size
Fleet Management and Warranty Companies: What’s the Difference?
In the case of a warranty company, the company has a direct vested interest in the costs of the repairs. Such companies sell a repair contract on a single vehicle where certain items on the vehicle are specifically named. The company will pay for, or toward, the repair of those specifically named items within the