VIDEO: Coolant Temperature Sensor Diagnostics
If you have a vehicle in your shop with the fans running all the time, there may be a problem with the coolant temperature sensor. Andrew Markel explains.
VIDEO: TPMS Sensor Fault On Toyota Vehicles
Andrew Markel shows how to use “test before you touch” and other methods to determine if a TPMS sensor fault is with the sensor itself or the TPMS module on the vehicle
VIDEO: Brake Bleeding And The ABS HCU
Andrew Markel offers a quick tip when replacing brake pads, involving bleeding the brake fluid and pushing the piston in order to avoid damage to the ABS HCU.
VIDEO: Diagnosing The Starter With A Voltage Drop Test
Andrew Markel shows how to voltage drop test a starter when there is a slow crank, despite the battery and starter having enough voltage.
VIDEO: Clicking Noise After Wheel Hub Replacement
If a customer complains of a clicking noise after a hub unit has been replaced, two OEMs have each prepared their own solution to the problem, and they happen to be nearly identical.
VIDEO: Oxygen Sensor Operation Modes
Andrew Markel explains the difference between closed and open loop operations, and which is more efficient.
VIDEO: Motor Mounts And EVAP Codes
Andrew Markel shows how an EVAP code and a catalyst efficiency code are both related to weak motor mounts.
VIDEO: Key Fob TPMS Relearn Does Not Initiate
If you use a customer’s key fob to initiate a TPMS relearn and the relearn doesn’t start, you can use a dedicated TPMS tool to determine whether the issue is with the fob or the vehicle.
VIDEO: Diagnosing Undercar Noises During A Test Drive
Andrew Markel shows three tips to use during a test drive to diagnose noises relating to the wheel bearings, drivetrain and other components.
VIDEO: TPMS Deactivation On Custom Rims
Andrew Markel shows how some shops have tampered with TPMS sensors when installing custom rims, and the dangers that it can cause.
Air Ride Repair Vs. Replacement: Weighing The Pros And Cons Of Air Ride Repair Options
When an air ride system fails, there can be up to four different options to return the vehicle to operating condition. Some involve repairing the existing air ride system, while others involve replacing the system with springs and passive shocks and struts. All options have their pros and cons.
VIDEO: Brake Pad Research And Development
Andrew Markel explains how brake pads undergo quality control and research before they are distributed, and how that adds value to a brake pad job.
