Tech Tip: Understanding Air Filter Fundamentals
Every engine is equipped with an air filter to keep out dirt. An engine sucks in a lot of air when it is running: about 10,000 to 12,000 gallons of air for every gallon of fuel it burns! Consequently, the air filter has to have a large surface area and plenty of filtering capacity to trap and hold all of the contaminants that may be ….
MAHLE Clevite Inc. Announces a New Brand Strategy for its Aftermarket Products in North America
MAHLE Clevite Inc. recently announced a new brand strategy for its Aftermarket products in North America. In an effort to present a more consistent branding strategy worldwide, MAHLE Clevite Inc. will immediately transition all of its light vehicle engine part categories ….
Rotor Runout Check List
The vehicle owner may say that under light braking the vehicle pulses to a stop, or under heavy braking the vehicle shudders. Technical service bulletins (TSBs) often describe these symptoms as a “judder.” There are only two causes for judder — lateral runout and disc thickness variation on the rotor’s friction surface. What could have
Ford-Wheeling!, Rear-wheel-drive 4×4 operation
Let’s discuss the 4×4 operation on Ford truck platform vehicles. We’ll cover the operation of the parts on the various rear-wheel-drive 4×4 systems. When it comes to Electronic Shift On the Fly (ESOF) and Manual Shift On the Fly (MSOF), much is the same except with MSOF, the driver has to manually push a gear
Understanding Steering Quality
And Delivering a Good Driving Experience to Customers
Hyundai: Drivetrain Noises & Wheel Bearing Replacement
One of the toughest challenges we face as import specialist techs is noise complaints. These aren’t necessarily difficult from the technical or nuts and bolts perspective as much as from the diagnostic process. The first challenge is to pin down the noise that has the customer concerned. We’ve all listened to our customers struggle with
Tech Tip: Diagnosing Wheel Speed Sensors
Wheel speed sensors (WSS) provide essential wheel speed information not only for anti-lock brake systems (ABS), but also for traction control and stability control systems. Some vehicles even compare the wheel speed sensor readings against the vehicle speed sensor (VSS) to make sure all of these sensors are accurate and working correctly. In some situations, it is also possible that the ….
Rat Rods – Not as Low Buck as They Might First Appear
While the economy stalls – enthusiasts are building "Rat Rods" in record numbers. Right in the middle of the economic slowdown and our government’s bailout of Wall Street, a little West Coast car event called the Primer Nationals was taking place in Ventura, CA. Did the hard times affect the turnout or enthusiasm for this dominate new hot rod culture? Heck no! In fact the event has grown to more than 500-600 cars, and the spectators swarmed the fairgrounds by the thousands ….
SKF Introduces New Trilingual Catalog for Automotive Applications
SKF recently released its all-new 2008 Passenger Car, Light & Medium Truck Application Catalog (2009-1991), featuring information pages in English, Spanish and French in one book. The new trilingual information pages are divided into three, color-coded sections for quick and easy reference. Additionally, the catalog includes updated hub unit images and ….
Diagnosing Wheel Speed Sensors: WSS, ABS Systems
Some vehicles even compare the wheel speed sensor readings against the vehicle speed sensor (VSS) to make sure all of these sensors are accurate and working correctly.