Composite And Floating Rotors: Going Big And Going Light
When you hear the words “floating rotor,” you might think of a racecar brake rotor with Allen head bolts holding the hat to the outer ring. But, more economical and robust “semi-floating” rotors have made it onto Audi, BMW and Mercedes-Benz daily drivers.

Subaru Forester Active Valve Lift System Diagnostics
I recently had a 2007 Subaru Forester with an elusive problem in the shop. It was equipped with the 2.5L SOHC Active Valve Lift System (AVLS) and the horizontal four-cylinder engine. While one of our techs and I were working through it, I was also teaching a Subaru driveability class for NAPA.

Ford Edge And Lincoln MKX Suspension And TPMS Diagnostics
In 2007, the Ford Edge and Lincoln MKX crossover vehicles were introduced. The vehicles are based on the CD3 platform that is used for the Fusion and other Ford vehicles. While there are both FWD and AWD models on the streets, the alignment procedures are the same.

Toyota TPMS Diagnostics
Toyota TPMS might seem like the easiest system to service because most models have a reset button under the dash, but trusting in this button to cure all your TPMS issues might get you in trouble.

Corrosion Issues With Fuel Filler Necks
Since the introduction of the OBD II system, manufacturers have continued to improve on the monitoring of evaporative emissions, with the complete evaporative system being under a scrutinized surveillance. Codes like P0440 to P0456 are all related to the fuel vapor control, including leaks.

Brake Rotors And Pads: 12 Myths Debunked
There are some myths about brake pads, rotors and hydraulics that need to be busted. On the surface, some of these myths make sense. The logic might even seem profound, but, ultimately, they do not help resolve real brake system issues. These myths can hurt a technician’s ability to effectively diagnose and solve common brake problems as well as customer concerns.

Chevrolet Trailblazer 2002-2009 Brake Job
The Chevrolet Trailblazer is based on the GMT 360. While its brake system is not groundbreaking by any means, there are some intricacies that technicians should be aware of on this common platform.

Human Resources: Putting It All On The Table
Hiring, firing and quitting are unavoidable events in the automotive repair industry. Everybody hates to deal with these aspects of the business because it can be risky on both sides of the table — not just monetarily, but emotionally, as well.

Impact Damage On Wheel Hubs
When a driver hits a pothole or curb hard enough, extreme forces are put onto the balls or rollers and races of the bearing. This can result in the formation of a very small mark on the surfaces. The driver might go 1,000 miles or more before these components start making noise.

Gonzo’s Tool Box: You Know You’re A Mechanic If …
If you’re one of these people questioning whether you’re really meant for this profession, here are some unmistakable signs you’re a dyed-in-the-wool professional mechanic whether you like it or not.
