Feature Articles

Volvo TechTips Fall/Winter 2018

Volvo TechTips Fall/Winter 2018

In this issue: Ignition Lock Replacement 1999-2009 S80/V70/XC90 • Volvo Suspension Noises, Part 1 • ABS and Traction Control • Classic Volvo 240 Service and Repair Tips

StarTuned December 2018

StarTuned December 2018

In this issue Modern Mercedes-Benz A/C Compressors Some have clutches, some don’t. Some are the scroll type, some aren’t. How do you know if they’re doing what they’re supposed to do? Antifreeze: The Chemistry Behind the Genuine Article Mercedes-Benz chemical...

Remote Diagnostics — Help is on the way…

Remote Diagnostics — Help is on the way…

Nissan is committed to helping independent repair shops with all possible resources. Diagnosing electronic problems and interpreting fault codes can be daunting tasks for independent repair shops that service many different makes and models. Sometimes a friendly voice...

Modern Mercedes-Benz A/C Compressors

Modern Mercedes-Benz A/C Compressors

Some have clutches, some don’t.  Some are the scroll type, some aren’t.  How do you know if they’re doing what they’re supposed to do? In 1958, Mercedes-Benz introduced its first fully air conditioned passenger car. It used a York-type two-cylinder vertical...

Solving Power Window Woes

Solving Power Window Woes

Where to start with diagnosing faulty window behaviors, how to troubleshoot window-related problems that develop as a result of other repairs, and how to properly QC check a vehicle.

derFix November 2018

derFix November 2018

In this issue: Diagnosing Audi Electrical Shorts, Porsche Oiling Systems, DoIP, Audi Carbon Buildup, Porsche Transmissions, DVOM, EVAP

The DVOM and Signatures

The DVOM and Signatures

Gone are the days of using a DVOM to check on/off switches and the devices they control. There’s more information than you may think in the digital electronic signatures of today’s advanced on/off devices. Here’s what those numbers actually mean.

No-Clue No-Start

No-Clue No-Start

Let’s take a look at no-start diagnostics when, by all accounts, the engine should be running fine. The laws of physics still apply so let’s think outside the box and solve that mystery no-start.