AC Update: Running A/C Diagnostic Tests Before Dash Surgery
I must have worked on Mercedes-Benz automobiles for 15 years before I ever replaced an evaporator. Through the 1970s, we pulled many an evaporator out of 107 and 116 chassis models to repair a poorly designed interior drainage system. The early models had little flappers on two interior tubes that carried the condensation to a
A/C Update: Underhood Service: January 2006
MACS Jumps on the Express Train 2006 Show Preview Although temperatures are always changing, one thing remains constant: hot summers and cold winters bring great volume to the air conditioning, radiator and heater repair business. “Nothing is more important to our industry than the weather,” said Elvis Hoffpauir, Mobile Air Conditioning Society Worldwide (MACS) president
Odds & Ends
Closed-Course, Production Vehicle Speed Records Set
Servicing Import ABS Systems
Import anti-lock brake systems (ABS) are pretty much the same as domestic ABS systems. In fact, the same OEM suppliers who make the ABS system components for import vehicle manufacturers also make them for domestic vehicle manufacturers. The differences that do exist are typically limited to calibration, diagnostic codes and procedures, and wiring. The ABS
Bleeding ABS Systems
Occasionally, there will be a need to replace an ABS modulator or other hydraulic component, such as a pump/motor or even a master cylinder, on some systems. When this need arises, it will be essential you are prepared for the task. This article provides an overview of some of the techniques, tools and procedures required
Aftermarket Update: Dana Launches New Automotive Website
Toledo, OH – Dana Corp. has launched its newly redesigned automotive website, located in the automotive section of www.dana.com. The new site offers expanded content and better navigation capabilities. Products are grouped into five main categories: • Architecture, which features products such as bi-metallic structures, cradles, frames, side rails, and twist beam axles; • Chassis,
CO2 Systems Will Breathe New Life Into A/C Designs
SAE to work with the industry and the EPA to create efficient, environmentally sound automotive refrigerant systems, but how will it affect technicians and repair shop profits? The Society of Automotive Engineers (SAE) recently announced a cooperative research program that will work with the industry and the U.S. Environmental Protection Agency (EPA) to develop and
MACS Show: Technical Session Coverage
Once a year, the Mobile Air Conditioning Society (MACS) hosts a trade show for A/C shop owners and technicians. This year’s event in Orlando, FL, provided a wealth of service information to those who attended the technical sessions. For those who couldn’t be there, we pass along some of the highlights from the technical sessions.
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ls, appear to be the next generation of fuel injection for gasoline engines. The reasons for implementing this technology are legislative, and also include market requirements that drive the need to reduce fuel consumption, while at the same time, meet the increasingly stringent exhaust emissions regulations. According to engineers at Delphi Corp., gasoline direct injection
OBD II Diagnostics:Tips And Tricks to Make the Process Easier
The Malfunction Indicator Lamp (MIL) can be a golden light of opportunity for your shop. If the light comes on, it means the Onboard Diagnostics II system (OBD II) has detected an emissions-related problem. OBD II is designed to turn on the MIL if a problem occurs that may cause emissions to exceed federal limits