Rotor Debate: Replace, Discard or Machine?
More often than not, many rotors today are being replaced when the brakes are relined – and some motorists are complaining that new rotors aren’t really necessary. Unless a rotor is worn down too far to be safely resurfaced or has cracks, deep grooves, severe rusting, hard spots or other structural defects, resurfacing can usually
Diagnostic Solutions: Air Flow Sensors…Understanding Their Function & Potential Problems
Most of us remember the “good old days” when an engine’s air/fuel (a/f) ratio was controlled by a mechanically operated carburetor. Due to the inherent design limitations of mechanical systems, however, carburetors don’t respond efficiently to changes in barometric pressure, temperature and humidity. In the quest for improved fuel economy and reduced exhaust emissions, import
Accelerate your Throttle-by-Wire Repairs: Ford Electronic Throttle Control
What Was Wrong with a Cable? As if a simple cable linking the gas pedal to the throttle plate wasn’t good enough, engineers have now made that design complicated too. Why do engineers do these things to us? That expensive throttle body can’t cost less than a cheap little throttle cable; or can it? Are
MACS Adds Engine Cooling Track to EXPRESS TRAIN 2006 Convention
EXPESS TRAIN, the 2006 MACS annual convention and trade show, will offer special training sessions dedicated to the engine cooling and heat exchange segment of the repair market. The extra training track was added in direct response to requests from engine cooling professionals who asked the MACS board for a quality training program and a dedicated engine cooling products section at the trade show.
Delphi’s Damping Control Technologies Help Smooth the Ride
Delphi Corporation’s high-performance, semi-active suspension control system, MagneRide, currently featured on six premium vehicles in the U.S., has been contracted for five new vehicle applications to be in production by 2007.
Monroe Offering Cash-Back Rebate to Consumers Who Replace Worn Shocks and Struts with Qualifying Units in September and October
The fall automotive maintenance season officially begins September 1 at thousands of North American service locations thanks to the Monroe "Count Shockula" consumer rebate promotion from Tenneco Automotive. The "Count Shockula" promotion will reward vehicle owners with a cash-back rebate on one premium replacement* Monroe shock or strut with the purchase of three qualifying units in September or October.
2007 Jaguar XK Sports Car Features the Newest Powertrain and Braking Technology
Jaguar is proud to announce a new era in its sports car lineage – the all-new XK. Like all Jaguar sports cars, the focus of the all-new XK is firmly on the future, while acknowledging the marque’s rich history. It heralds a new era for Jaguar in terms of both design and engineering, and it is the most technically advanced Jaguar ever built.
Replacing Oxygen Sensor: Saving the Environment and Your Customer’s Catalytic Converter
The oxygen (O2) sensor is the master switch in the fuel control feedback loop. The sensor monitors the amount of unburned oxygen in the exhaust and produces a voltage signal that varies from about 0.1 volts (lean) to 0.9 volts (rich). The computer uses the O2 sensor’s signal to constantly fine tune and flip-flop the
Under Pressure and Pounding: What Happens to Wheel Bearings and Suspensions When Wheels Get Big?…Stop Using Percentages if You Cannot Show Your Work!
Custom wheels and tires have been an automotive fashion statement since the 1970’s and today custom wheels have become automotive jewelry with 26-inch spinners on a Hummer as one of the ultimate statements. But, the hidden costs come at the price of wheel bearing life and other wheel end components. As an undercar shop, you
Advanced Brake Diagnostic Tools
Brake technicians are only as good as the tools they use. I have lived by this statement for a long time and it only makes sense, right? Well, what if I say the most important tool a brake technician has is his mind. The mind is a powerful tool when equipped with the right information,