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Tech Stuff


Got gas? Get ready for fuel delivery diagnostics

The present-day is an interesting time for the automotive technician. Perhaps now more than ever, the vehicles that are on the road resist breakdown, and with the help of a few repairs can routinely last about 200,000 miles.


R/R/R roundup: R134a recover/recycle/recharge equipment

The world of automotive service continues to change at an accelerated rate. That includes mobile air conditioning service challenges for service technicians.


Tire pressure monitoring systems

We've discussed the subject of TPMS (tire pressure monitoring systems) in the past, but this is a topic that can always benefit from an update. Considering the proliferation of TPMS in today’s market, it’s vital that we gain as much understanding of these systems as possible.


Best of times, worst of times

This winter has been brutal for northern and northeastern states, with record snowfall and record temperatures, and with abnormal icy conditions even in southern states such as Georgia.


Tool Review: Mac Tools cordless 3/8-inch wrench

The range of high-quality cordless electric power tools is quickly expanding. Torque and battery life is increasing, and the toughness and durability demanded by pro technicians is increasingly being met. To provide insight into a new offering, here we’ll review one of the latest Mac Tools cordless impact wrenches.


How electronic stability control can improve ride control sales

Electronic stability control (ESC) is nothing new. Introduced as optional equipment on luxury cars in the mid-1990s, it’s been standard on light-duty truck and passenger vehicles since 2012.


Check engine light diagnostics

For most auto repair shops, diagnostics are not where the money is. A good diagnosis is needed to figure out what parts (and these days, sometimes software files) are needed to repair a drivability issue.


Advances in ride control: Getting up-to-speed on electronic suspension control

Once upon a time, ride control simply referred to providing a vehicle with a comfortable driving experience while limiting excess body roll. This was primarily addressed by the automakers by the selection of the appropriate springs, shock absorbers that would dampen spring movement and anti-roll bars that somewhat tamed, or limited, excess body lean during turns or steering maneuvers.


Brake pad and rotor technology

Today’s brake pad formulations continue to evolve, but the basics include organic, non-asbestos organic (NAO), semi-metallic and ceramic.


Battery testing basics

The cold snap that recently swept through most of the nation caught many folks unprepared as roads closed, pipes burst and batteries failed.

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