VIDEO: Does An Old Air Filter Weigh More Than A New One?
Andrew Markel shows how a dirty air filter can impact engine performance and even damage engine components.
VIDEO: Replacing Gear Oil In Drivetrain Components
Andrew Markel stresses the importance of replacing lubrication in drivetrain components to prevent damage to the many parts inside them.
Volkswagen VR6 Head Gasket Replacement
The Volkswagen VR6 engine, introduced in 1994, has a narrow “V” configuration that allows six cylinders to be mounted in the same area as a four-cylinder engine. While head gasket failure is not a common occurrence, it does occur on engines where the cooling system has been neglected due to a lack of regular maintenance. With that said, here are seven tips to make a head gasket job a little easier.
VIDEO: Throttle-By-Wire And The Accelerator Pedal Position Sensor
In this Tech Minute, Andrew Markel shows how the accelerator pedal position sensor uses two sensors to create reliable readings in throttle-by-wire systems on modern vehicles.
VIDEO: Inspecting Ride Control Components The Correct Way
In this video, Andrew Markel covers why the old-fashioned knee test is not valid for late-model cars and trucks when inspecting shocks and struts. Modern shocks and strut have valving that can sense low- and high-frequency movements that can create problems for technicians who test these components with their knees.
VIDEO: Noise On Braking And Acceleration On VW Vehicles
Andrew Markel shows how control arms can develop a noise during braking and acceleration, and what to replace to fix it.
VIDEO: What Are Direct Fit And Programmable TPMS Sensors?
Andrew Markel explains the two types of TPMS sensors and how each can fit into your workflow.
How Do Fluid And Friction Change Brake Pedal Feel?
Chances are your foot will know the condition of a vehicle’s brakes and the quality of the brake pads before your mind puts it all together.
Automatic Transmission Fluid Varieties
Why are there so many types of automatic transmission fluid? You might ask yourself this question when you are tasked with ordering a few quarts for an Asian or European vehicle that rolls into your shop.
VIDEO: When To Replace A Brake Caliper
Andrew Markel discusses the signs that a brake caliper may need to be replaced by looking at the dust boot and the caliper guide pins.
VIDEO: Nissan Maxima Mass Air Flow Sensor Codes
Andrew Markel explains how a mass air flow code and an oxygen sensor code on a Nissan Maxima can be solved with one simple check.
VIDEO: Never Ignore TPMS Sensor Kits!
Andrew Markel explains why TPMS sensor kits should never be ignored on any TPMS replacement job.
