Diesel Particulate Filter Regeneration: When, Where And Why?
The Diesel Particulate Filter (DPF) is a ceramic brick with tiny passages that do two things. First, they trap the particulates or soot in the exhaust. Second, these passages create the surface area for the precious metal that helps to burn or break down the particulates. Think of it as a catalytic converter that traps and oxidizes particulates in the exhaust. But, the DPF regenerates in intervals rather than all the time like those found on gasoline vehicles.
ASE PREP: A2 Automatic Transmission Tips
Chances are you will not be rebuilding a transmission, but rather you will be listening to your customer’s complaint and diagnosing it. Knowing where to start is the most challenging part of the job. The main focus of ASE’s A2 test is the electromechanical part of the transmission. The basic concept to remember is that if the electromechanical part of the transmission not correctly controlling the mechanical components of the transmission, a mechanical failure will happen.
Lexus Air Ride Review
Lexus models, including the LS sedan, RX crossover and GX SUV, are some of the least problematic air ride vehicles on the road. In fact, most Lexus customers do not realize that their vehicle is equipped with an air suspension until something breaks. Like all air ride systems, if you are not familiar with the system operation, you can throw a lot of parts at it without achieving any results. Taking some time to look at the theory and operation sections of the service information can save you a lot of lost time speculating on the source of the problem.
Brake Shims: Don’t Judge A Book By Its Cover
A quality brake shim can prevent brake noise during the entire life of the brake job and will not dry out or be displaced over time like some lubricants or pastes. But, remember, a shim cannot do its job if it remains in the box.
CV Axle Diagnostic And Service Tips
When a CV axle fails, it is for a reason. Rarely will an axle fail because it is just worn out. The failure of an axle can usually be traced to torn boot, alignment issue or a problem with components attached to the axle.
First Generation Kia Soul Brake Job
Brakes on the Soul are conventional single-piston calipers and four-wheel discs on most trim levels and very straightforward to service. Some of the basic trimmed models had drum brakes in the rear. While these brakes have been relatively trouble-free in the first generation models, there have been some complaints about brakes that “grab” or feel “too sensitive” when engaged.
Mazda Tech Tip: Vibration Felt Through The Floor/Seat/Steering Wheel
Some customers may complain about a vibration that is felt through the floor, seat and/or steering wheel while driving under moderate acceleration, at speeds of approximately 25-30 mph (40-50 km/h). The vibration is more noticeable when driving on smooth, flat roads.
Understanding Hyundai TPMS
Hyundai TPMS has an auto relearn function, but if a shop is initializing a sensor or doing a manual relearn, you will need a TPMS tool that can capture the sensor IDs and program them into the TPMS module.
Threadlockers: What You Need To Know
You might be seeing more blue, red and various other colors on the threads of bolts when working on suspension and brake components. OEMs put these threadlocking compounds there for a reason, and not servicing them could get you into trouble. To get the most out of this “liquid” tool, you first need to know how they work.
Alignment Specs: 2011-2018 Volkswagen Touareg
The Touareg is not your typical vehicle to align. It has a stability control system that needs a recalibration of the steering angle sensor if the toe front or rear is adjusted. On vehicles with air ride systems, lifting the vehicle for a repair requires that the vehicle lift mode must be activated. The vehicle lift mode switches the air suspension control off. This prevents readjusting of the air springs when the vehicle is lifted. Vehicle lift mode is automatically switched off at a speed above 3 mph.
Wideband Oxygen Sensors Vs. Narrowband: Understanding The Differences
Wideband air/fuel oxygen sensors may appear similar to conventional narrowband oxygen sensors, but there are quite a few differences that you need to be aware of to service vehicles with this new style sensor.
Understanding Customers And What They Think About Ride Control
The old proverb of “walk a mile in their shoes” applies to selling springs, shocks and struts. Your typical customer is not like you – their point of view is completely different. You have to understand what they know and what they value. You also need the patience to educate them on the importance of these critical automotive components.
