Wheel Speed Sensors Replacement: WSS, Chevy, GM
By Larry Carley, Technical Editor When engineers came up with the idea of putting the wheel speed sensor (WSS) and tone ring inside a sealed wheel bearing hub assembly, it seemed like a great idea. The sealed environment would help protect the sensor and make it less vulnerable to damage or contamination from the outside
Diagnostic Dilemmas: Got a Light?
Every diagnostic technician experiences operational complaints that are more bizarre than they are technically complex. The problem is made difficult when the technician fails to stand back from the problem and look at what I call, “The Big Picture.” As you will see in the following case study, The Big Picture is a collection of
Tech Feature: Servicing Electrical Systems Requires Knowledge of Fundamentals
Electrical principles – voltage, amperage and resistance – can be described as cars passing along a pockmarked roadway. Voltage is represented by the vehicle’s speed, amperage is the number of vehicles on the road at the same time, and resistance is the potholes in the road’s surface.
Powertools: Select Power Tools that Meet Your Service Needs
Considering these definitions, a power tool, loosely defined, is anything used as a means of accomplishing a task using mechanical energy. All power tools use mechanical energy to accomplish tasks that would otherwise be difficult or even impossible to accomplish by hand. Now think about all the jobs that we are able to accomplish with
Brake Parts Inc. Advances Consumer Education Through Participation in Inaugural ‘Brake Safety Awareness Week’
Brake Parts Inc. is a major supporter of the nationwide Brake Safety Awareness Week sponsored by the non-profit Motorist Assurance Program (MAP). The nationwide education program is scheduled for August 26 through September 1, 2007. Motorists can receive a free brake inspection for their vehicle at thousands of participating automotive service centers across the country
Tech Feature: Dialing in on Today’s Engine Bearing Trends
When selecting engine bearings, engine builders often focus on getting the proper clearances and maintaining sufficient oil pressure, but other bearing characteristics should also be considered in certain applications. Durability is less of a concern today because the aftermarket and OEMs demand bearings that can last 150,000 miles even under severe stress from a neglectful vehicle owner.
Mitch Schneider: When Bad Luck is Really Good Luck…
About the worst thing that can happen around here is a week where all kinds of bizarre things accumulate. Aside from the absolute chaos it inflicts on everyone, including me, the crush of dealing with multiple crises makes it almost impossible to identify where one calamity ends and another begins.
Brake Myths: ABS/ESC & Replacement Brake Pads
At most shops, the person ordering brake pads is given the choice of a several levels of brake pads. The good, better and best marketing is sorted out by price and brand rather than solid engineering data. Sometimes the tech has no choice when the choice is dictated by a supply relationship for friction materials.
Mitch’s World: If it Wasn’t for Bad Luck…
About the worst thing that can happen around here is a week where all kinds of bizarre things accumulate. Aside from the absolute chaos it inflicts on everyone including me, the crush of dealing with multiple crises makes it almost impossible to identify where one calamity ends and another begins. The ability to cope with
Chrysler & Jeep Cooling System & HVAC Service
Every car make has its quirks, and Chrysler and Jeep vehicles are no exception. In researching this article, we found several examples of heater problems in these vehicles that seem to be fairly common. On 2001 and 2002 Sebring Sedan, Sebring Convertible and Stratus Sedan, plus 1993 to 2002 Chrysler Concorde, LHS, New Yorker and