VIDEO: Disc Thickness Variation
Andrew Markel goes over the effects of disc thickness variation, where it comes from, and how to diagnose it.
VIDEO: Brake Torque Variation (BTV)
Andrew Markel describes brake torque variation, how it can be caused by customer habits, and how it can be prevented on every brake job.
VIDEO: Brake Shim Science
Andrew Markel shows how brake shims prevent noise and vibration in a brake system and the difference between higher and lower quality parts.
VIDEO: Shock Wear Maintenance
Andrew Markel goes over what can wear out on a shock assembly and why it is important to check the inside of a shock as well as the outside.
VIDEO: Steering Angle Sensors And Jumpstarts
Andrew Markel relates a story from a technician where a jumpstarted car had a miscalibrated steering angle sensor.
VIDEO: Brake Fluid Testing
Andrew Markel shows why regularly testing brake fluid is due to the construction of Bundy tubing.
VIDEO: Aluminum Suspension Inspection
In most cases, an aluminum component is as strong or stronger than steel or cast iron. But what sets aluminum apart is how it fails. Most aluminum suspension components are extruded or forged, and in some cases, will be heat-treated. If a component has undergone extreme stress, such as a curb strike, the part will most likely crack and break instead of bend. Andrew Markel has a video introduction in which he answers a reader question about threadlocking compound.