Auto Diagnostics and Codes
Steering Angle Sensor Diagnostics

Measuring the steering wheel position angle and rate of turn, which are critical for Electronic Stability Control (ESC) systems, is the job of the Steering Angle Sensor (SAS). The scan tool will typically display the information in degrees.

Brake System Scan Tools: The New Essential Tool

While there are many times where you will be able to repair a vehicle’s brakes without a scan tool, you only have to run into one car that needs this to make it worth having. The reality is that if your customer’s vehicle is 10 years old or newer, there’s nearly a 100% chance that you could need a scan tool to perform some sort of test/repair on the brake system.

BRAKE JOB: 2004-2009 Mazda3

The 2004-2009 Mazda3 is based on the Ford global C1 platform, shared with the European Ford Focus and Volvo S40. Nothing is really groundbreaking about the brake system. But, not paying attention to the details can end in a post brake job comeback.

Tech Update: Can ‘Add-Ons’ Affect CAN Systems? Yes, They Can!

Get any teenager their first car and the first thing they want to do is modify it with new wheels, a different exhaust, seat covers or, the most important and popular upgrade, the stereo. You know, when they have to get to school with all their buddies in the car, they’ve got to have those tunes. They can’t be seen around town with a dull factory radio or wimpy stock wheels.

Tech Update: HVAC Diagnostics

Leave it to the OEMs to take a simple system like heating and air conditioning and turn it into an electronic jumble of wiring, sensors and computer components.

Tech Tip: Ringing Sound Coming from Jeep’s Propeller Shaft When Shifting from ‘D’ to ‘R’

A ringing, snapping or popping sound may be heard coming from the driveline when the transmission is shifted from Forward to Reverse or Reverse to Forward. The sound may also occur when the brakes are released after shifting into or out of Drive or Reverse.

A/C Update: Rising Temperatures Create an Increase in A/C-Related Audi Service

As we move through spring and into summer, temperatures begin to heat up in most of the country. This is a time many drivers begin using the cool settings on their vehicle’s climate control system – only to find the air conditioning unit not functioning properly. As the temperatures outside rise, so too, will the number of customers in your shop with A/C-related problems.

TPMS: Tire Pressure Monitoring Service for All Shops

Recently, an owner of a 2008 Lincoln Navigator brought their vehicle in for a tire rotation. The tires were rotated front to rear. The customer drove away not knowing he was in great peril. A few days later, the right rear picked up a small leak. The TPMS system turned on the dashlight and indicated

Downloading Repairs

Have you looked at technical service bulletins lately? Especially ones for vehicles built since 2004? The fixes have changed drastically. I remember a time, not too long ago when the fix in a typical TSB was to install an updated part. From where I stand now in a Ford dealership, it seems like the hardware

Tech Feature: Air Springs and Suspensions

Passenger car air helper springs have been around since the early fifties. Fifty years ago (1958 model year), GM introduced air suspension as an option for all of its passenger cars. It featured a single cylinder belt driven compressor from Bendix Westinghouse. Goodyear supplied its rolling lobe and sleeve type Super-Cushion air springs. The option lasted for two model years. In the late 1960s, Mercedes Benz applied air suspension to their SL sedans and limousines. Air springs returned in ….

Air Springs and Suspensions

ed air suspension to their SL sedans and limousines. Air springs returned in 1974 for the rear suspension of the new GMC Motor Home RV26. This time the springs came from Firestone and the compressor was driven by an electric motor. The mid 1980s saw a revival of air suspension at all four corners for

Tech Feature: Update on CAN Diagnostics

Whether you like it or not, Controller Area Networks (CAN) have taken over. CAN technology has been steadily creeping into more and more new vehicles since it first appeared in 1992 on certain Mercedes-Benz models. Thanks to federal emissions rules, it is now required on all 2008 model year vehicles, and will be forevermore. What exactly is CAN? It’s basically a ….