A Closer Look: Servicing Electric and Hybrid Vehicles
Hybrid vehicles have been sold in the U.S. for over 20 years. As hybrids continue to grow in popularity, and as full electric vehicles have entered the market in the past several years, they have brought with them numerous service opportunities for aftermarket repair facilities. Whether shops dive in and get involved with replacing batteries,
A Closer Look: Advanced Driver Assist Systems (ADAS)
Advanced Driver Assist Systems (ADAS) Overview: Advanced Driver Assist Systems have been quite the industry buzz over the last several years. We have seen new business opportunities arise, and even a new segment of mobile technicians focusing on ADAS calibrations. While ADAS may seem relatively new, automotive service professionals have been servicing Driver Assist Systems
A Closer Look: Variable Valve Timing
Variable Valve Timing Overview In an effort to increase fuel efficiency and elevate performance across today’s vehicles, nearly every manufacturer has equipped new vehicles with Variable Valve Timing (VVT) technology, also known as Variable Cam Timing (VCT). The primary components in a VVT systems are control solenoids and sprockets. These parts, in conjunction with other
A Closer Look: Turbocharger Operation and Installation
Turbocharger Overview With an effort to increase fuel efficiency, maintain performance and reduce emissions, vehicle manufacturers are adding turbocharged engines to their lineups at a significant rate. Over the next five years, the turbo service market will continue to experience substantial growth. At a basic level, a turbocharger consists of just three major internal components:
A Closer Look: Blower Motor Resistor Operation
Blower Motor Resistor Operation Blower Motor Resistors (BMR) control the electrical current flowing from the fan switch to the blower fan, which allows the motorist to set the fan at different speeds. The fan speed can be changed by switching the blower resistor resistance mechanically, using a rotating lever, or electronically by the air conditioning
A Closer Look: Tire Pressure Monitoring Systems (TPMS) Operation
TPMS System Overview: A closer look at this important safety system Tire Pressure Monitoring Systems have been mandated for over 14 years but have been on vehicles for much longer. Yet they still seem to spark a love/hate relationship. Some motorists and techs find them a nuisance while others recognize a valid safety device and
A Closer Look: Electronic Throttle Bodies and Control Systems
Electronic Throttle Control Overview Electronic Throttle Control has been around for decades. It has been called by various names and has been the subject of media scrutiny at times, but these systems are responsible for improving fuel economy, reducing emissions, protecting powertrain components, and providing an overall better driving experience. While ETC is beneficial, there
A Closer Look: EVAP Components and Chrysler ESIM Systems
Best practices for working on Chrysler ESIM systems Chrysler Evaporative System Integrity Monitor (ESIM) have been used since the late 2000’s, but due to their unique characteristics they may provide some diagnostic challenges for technicians. Whereas many manufacturers rely on some form of a purge and seal/vacuum decay for their EVAP system self-tests, Chrysler has
