VIDEO: Oil Consumption Issues On Modern Vehicles
Andrew Markel discusses proper oil consumption levels for modern vehicles, and the issues that high oil consumption can cause in the engine.
VIDEO: Selling Loaded Struts In Sets
Andrew Markel explains how selling loaded struts in sets can prevent air ride problems and damage in the future.
VIDEO: Electrical Shorts Caused By Cleaning Vehicle Interior?
Andrew Markel explains how the interior maintenance of a vehicle can affect operation of electrical components, including not using too much of a cleaning product and replacing a component after a spill.
Oxygen Sensor And Catalyst Efficiency
The catalyst efficiency monitor verifies the catalytic converter is operating at a high enough efficiency rating to keep exhaust emissions within the predetermined values. The PCM compares the signals from the upstream and downstream oxygen sensors to determine the state of the converter. These “tests” are called the readiness monitors.
Brake Job: Jeep Cherokee (KL) Rear Brake Pad Replacement
To remove and replace the rear brake pads or rotors, the electronic parking brake actuator must be retracted before removing the caliper assembly.
VIDEO: Connection Between Oil Changes And Low-Speed Pre-Ignition
Andrew Markel explains low-speed pre-ignition, how this condition can damage engine components, and how specified oil can help prevent it.
Air Ride Diagnostics Q&A
Air ride diagnostics can be just as complex as any ABS or fuel injection problem. The diagnostic process should start with questions about the system rather than the parts. Failing to find the root cause of a warning light DTC or intermittent problem will typically cause the problem to come back as soon as the customer pulls away from your shop.
VIDEO: What Is The Brinell Scale?
Andrew Markel explains the Brinell scale using an example from a curb hit, and how that damage can cause a wheel bearing to slowly destroy itself over time.
VIDEO: Heating Issues? Don’t Assume It’s The Thermostat
Andrew Markel explains how problems with the cabin heating system may not be directly related to the thermostat.
VIDEO: Replacing Gen 1 Wheel Bearings
Andrew Markel discusses Gen 1 wheel bearings, and how this simple wheel bearing can be the most complicated to install.
Properly Dealing With New Brake Rotors
New rotors, either OE or aftermarket, are supposed to be finished to specifications and ready to install out of the box. There should be no reason to give them a “clean up” cut. If there is one, you need to find a different rotor supplier.
VIDEO: Timing Belt Replacement: Doing It Right The First Time
Andrew Markel explains how a timing belt cannot be skimped on, and how doing the complete job correctly will make the vehicle last another 90,000 miles.
