VIDEO: Brake Bleeding Pressures On Ford Vehicles
Andrew Markel explains how some hardware changes in the brake systems on Ford vehicles made higher brake bleeding pressures necessary.
VIDEO: Diagnosing A Washer Pump With A Scan Tool
Andrew Markel demonstrates how bidirectional controls on some scan tools can allow testing and diagnosis of the washer pump and several other components.
VIDEO: Understanding Secondary Ignition Waveforms
Andrew Markel picks apart secondary ignition waveforms and how burn time can reveal the condition of a spark plug.
Impact Damage On Wheel Hubs
When a driver hits a pothole or curb hard enough, extreme forces are put onto the balls or rollers and races of the bearing. This can result in the formation of a very small mark on the surfaces. The driver might go 1,000 miles or more before these components start making noise.
VIDEO: Transmission Fluids In Modern Vehicles
Andrew Markel goes over the different types of transmission fluid and which applications they are used for.
VIDEO: Spark Plug Insulators And Flashover
Andrew Markel shows the importance of keeping a spark plug’s insulators clean to prevent flashover.
VIDEO: Three Tips For Driveshaft Service
More vehicles are using all-wheel or rear-wheel drive and driveshaft service is becoming more common. Andrew Markel shares three driveshaft service tips.
VIDEO: Iridium Spark Plugs And Laser Welding
Andrew Markel explains how iridium’s hardness and melting point makes it a perfect spark plug material and how laser welding made it possible to use it on spark plugs.
Component Connection: Belt Wear Diagnostics
Serpentine belts may last up to 100,000 miles before they need to be replaced. If a belt fails sooner, you need to be a detective and investigate why it failed.
Misfires In The Crankshaft And Camshaft
Any time you’re dealing with a combustion engine, there’s a chance it will develop a misfire. A better understanding of how computer systems analyze a misfire can make your job that much easier as the service tech.
VIDEO: Brake Pad Chamfers And Slots
Andrew Markel shows why some brake pads have chamfers, slots, none or both, and how they can reduce noise.
GM LS V8 VVT System: Oil Flow And Pressure
The CMP actuator system controls the amount of intake and exhaust valve overlap. The engine control module (ECM) can only command the CMP actuator to advance the valve timing from the park position or retard the valve timing back to the park position.
