Andrew Markel shows the importance of keeping a spark plug’s insulators clean to prevent flashover.
More vehicles are using all-wheel or rear-wheel drive and driveshaft service is becoming more common. Andrew Markel shares three driveshaft service tips.
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.
Andrew Markel shows how you can measure bore distortion on a knuckle and catch any bearing installation issues before they happen.
Andrew Markel shows how unfiltered air can pass through an air filter to the mass air flow sensor, creating lean codes.
Andrew Markel shows how anti-corrosion coating on quality brake rotors can create a win-win for your shop and the customer.
Andrew Markel starts on a list of the six most difficult spark plug jobs you may have already dealt with. This video includes the GM Quad-4 engine, the Toyota Previa van, and the Chrysler Town and Country.
Andrew Markel answers a question about brake noise and how keeping parts clean can help prevent noise.
Andrew Markel shows how cleanliness is next to godliness when installing a new rotor on an existing hub and flange on a vehicle.