Tech Tips: Safety Issues for Servicing Hybrid Vehicles
The hybrid concept of combining an internal combustion engine with an electric motor and electric power supply is becoming more popular as vehicle manufacturers look to reduce emissions and fuel consumption in vehicles. Consumer interest in these vehicles has been favorable, which is why you can expect to see more of these types of vehicles
Matching Your Techs with the Right Job
Just a single decade ago, many industry experts speculated that 80% of the workflow passing through an independent repair shop would involve some type of high-level diagnostic process. Today, it’s obvious that, with the infusion of electronic operating systems, high-level diagnostics is now approaching that level of total workflow. Nevertheless, many others continue to ridicule
NASCAR Performance
NASCAR Announces Changes to Provisional Qualifying
A/C Update
Once a year the Mobile Air Conditioning Society (MACS) hosts a trade show for A/C shop owners and technicians. This year’s event was held in Orlando, FL, January 22-24, and provided a wealth of service information to those who attended the technical sessions. For those who could not be there, we pass along some of
Aftermarket Update
Trade Press Gets First-Hand Look During Tour of Bosch’s State-of-the-Art South Carolina O2 Sensor Plant Oxygen sensors are one of the key sensors in every engine’s fuel management feedback control system. Consequently, O2 sensors play a vital role in maintaining low emissions, good fuel economy and peak performance. Developed by the Robert Bosch Corporation, O2
Transmissions & Clutches
The Ins and Outs of Manual Gear Box Repair
Rev Up Volvo Performance
When any engine swap is done using a larger displacement engine, you have to look at the big picture. Everything around it must be addressed to handle the added horsepower. This includes the braking system, front and rear suspension, and the structure of the frame. When I did my first Volvo V8 engine swap, it
Understanding Today’s Multi-Coil Ignition Systems
Distributorless Ignition Systems (DIS) have been around for more than two decades, but in recent years the trend has been to multi-coil systems such as Coil On Plug (COP) or Coil Per Cylinder (CPC) ignition systems, and Coil Near Plug (CNP) ignition systems. COP systems have become the hot setup for a number of packaging,
Choosing Brake Friction Materials
The possibilities seem almost endless…
Flash Reprogramming
Would you believe flash reprogrammable PCMs have been in vehicles for more than a decade? The first such application was the 1990 Geo Storm. Why a humdrum car like the Storm would be the first to receive a flash reprogrammable computer system is unknown. You’d think GM would have chosen a more high profile vehicle