Undercar

  •   Now that SCR has been embraced by all sectors of the diesel transportation industry, it is that much more important for automotive service professionals to understand how SCR works.
  • How do you know if reduced engine breathing causes the drivability issue you’re chasing?
  • Nearly every shop I’ve worked in has had a form of some kind that technicians were supposed to complete on every car they worked on. If your motive is more sales, your customers will know it.
    Pete Meier
  • Then there are those jobs we tend to remember, to talk about over a cold beverage at the end of the day. Here are a few of mine I’d like to share
    Pete Meier
  • Wheel bearings have a difficult job to do. The bearings have to allow free rotation of the wheel assembly, and dissipate the friction-related heat generated by that rotating mass and the loads it has to support.
  • The following hybrid maintenance items are easily completed, but you must follow the proper procedures to avoid unhappy customers and vehicle damage.
    searchautoparts
  • A customer brings their vehicle into your shop with a vibration complaint; you hesitate to take the job because you know that the success rate of diagnosing and repairing vibration concerns is not very high.
    searchautoparts
  • Wheel speed sensors detect the rotation speed of a wheel that's moving. Active wheel speed sensors detect rotation speed all the way down to zero, and the newest sensors can detect the direction of rotation, too. Four different sensor designs are in
  • Is an engine management failure, an electronic transmission control failure or an internal component failure causing the complaint?
    Pete Meier
  • The chassis group at Affinia Global Brake and Chassis – the makers of Raybestos® chassis parts – have one thing to say when it comes to memory steer — forget about it.
  • For more than three decades, I almost always have looked forward to working on problems with new systems on a vehicle. After my first Prius brake-by-wire job, I’m a little more cautious these days!
  • Real-world dynamics of suspension geometry demands that the shaft gets longer and shorter as the axle travels up and down. Read on for information on CV joints.
  • Counterfeiting of R134a refrigerant we use in vehicles has heightened refrigerant purity fears because the primary contaminant is not only flammable but also toxic and explosive.
    Motor Age Magazine
  • Ambitious shop owners are always looking for ways to fill their shop bays and increase revenues. At the same time, they must limit their risk as they are bringing in new work.
  • Let's be honest, the original Honda Insight was an ugly car. In fact, most of the early hybrid offerings were ugly cars, at least in my humble opinion.
  • Electro-hydraulic braking systems aren't new, and neither are cars equipped with electronic parking brake systems. But they might be new to you as the fleet ages and starts showing up outside your door instead of dealerships. Here are some things you
  • In my automotive department, we do monthly inspections on all the college vehicles except the big busses. When I hand one of my students the job of inspecting a vehicle, it's interesting to note how serious some of them are about doing a really good
  • As a technician, you've likely had the opportunity to drive a fair number of different vehicles. Light-duty trucks ride differently than passenger cars, and compacts ride differently than full-size sedans. But all of their owners want a comfortable r
  • Rear differential service, for regular maintenance or for repair work such as replacing leaking seals, often involves removing rear axles and draining and replacing differential fluid.
  • The geometry designed into the steering and suspension system of a modern automobile directly determines how that vehicle will handle under a variety of conditions. Keeping that geometry in specification not only is a matter of following proper align