Some customers may complain about a clunk coming from under the hood when they are not moving or at low speeds. The noise is related to the A/C compressor engaging the clutch so the refrigerant can be moved around the system. Some noise is normal. But, if the drive belt or tensioner are worn it can make the noise louder. Andrew Markel covers how to diagnose the drive belt system and compressor. Sponsored by INA, a Schaeffler brand.
Video courtesy ImportCar.
Learning the cryptic codes on the brake pad or shoe will tell you a lot of information.
Just about every brake pad or shoe you install has a cryptic code printed on the side of the friction material or on the backing plate. As a technician, being able to read this code called the “Edge Code” is just as important as the Dewy Decimal system is to a librarian.
Engineers have devised two strategies that can be called the “immune system” for the electrical system.
Poor clutch release makes it difficult to start and stop the vehicle or change gears.
The first thing you need to realize is that no seal is perfect.
Replacement of the steering damper with AE level or newer is recommended.
Reducing brake drag on late-model vehicles is not accomplished by a single component; it takes a system.
Four basic items are necessary to start your own reprogramming ventures.
Diagnosing the problem comes down to understanding what causes a loss of fuel pressure.
New vehicle ADAS features all rely on the alignment being exactly as it should be.
