VIDEO: Diagnosing Window Regulators Without Removing The Door Panel
Andrew Markel discusses the methods and tools you can use to diagnose window regulators before you remove the door panel.
VIDEO: Dealing With Difficult-To-Remove Lug Nuts
If the lug nuts on a vehicle are difficult to remove due to swelling or corrosion, these tips from Andrew Markel will help make this step of your brake job easier.
VIDEO: Brake Hose Degradation Diagnostics
Andrew Markel discusses the signs of brake hose degradation by checking the outside and inside of the hoses.
VIDEO: Why Do Diesel Engines Need EGR?
Doug Kaufman discusses diesel engines and why even modern engines need an EGR system.
VIDEO: Ignition Coil Circuit Testing
Doug Kaufman explains the proper diagnostic process for ignition coils in order to avoid swapping parts.
VIDEO: How Do Suspension Components Stay Together?
Andrew Markel covers how suspension component fasteners are secured using mechanical attachment methods like castellated nuts, nyloc nuts and torque-to-yield fasteners. He also discusses chemical solutions like thread locking compounds.
VIDEO: Why You Should Avoid Using A Wire Wheel On Replacement Calipers
Andrew Markel discusses replacing brake calipers, and why using a wire wheel before installation may shorten its service life.
VIDEO: The Dipstick Can Tell A Lot About A Vehicle
Andrew Markel tells how just looking at the dipstick can tell a lot about how a customer has maintained a vehicle.
VIDEO: Using Symptom-Based Lists To Add Value To Labor
Andrew Markel discusses a feature of some shop management software that allows you to quickly produce a task list based on a vehicle symptom.
VIDEO: Where Have The Fuel Pump Filters Gone?
Andrew Markel discusses how to diagnose a fuel pump, and the importance of replacing the entire module if the pump is failing.
VIDEO: Using Service Information To Look Up Tire Specs
Andrew Markel recognizes the inconvenience of sending the customer out to look for the inflations and sizes of the tires on their vehicle, and suggests a solution to find that information using shop software.
VIDEO: Repairs & ADAS: 4 Systems That Need Extra Care
You probably won’t encounter many certification test questions about Advanced Driver Assistance Systems (known as ADAS), but you should understand how these systems affect repairs when entering the real-world.
