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.
Autologic Diagnostics Introduces AssistFix Program
AssistFix provides direct support from one of Autologic’s Fault2Fix master technicians to repair shops using any brand of scan tool.
Dual Clutch Transmission Diagnostics
The dual-clutch transmission produces a drivetrain that has the efficiency of a manual transmission, but the ease of use of an automatic. Compared to automatic transmissions, one manufacturer claims a 5–10 percent reduction in fuel consumption from just this one feature.
How Noise, Vibration And Harshness Driveline Diagnostics Is Changing
This article will introduce you to some of the basic terminology and testing techniques used in modern NVH diagnostics.
R1234yf: Smaller Footprint, New Diagnostics
The benefit of R1234yf is simple. The new refrigerant lasts only 11 days in the atmosphere compared to 13 years for R134a. This is why the EPA is requiring R1234yf to be installed in all new systems by 2021.
Automotive Electrical Diagnostics
Electricity can be measured and observed at the source, but the technician has to be able to visualize electricity and how resistance, amperage and voltage change its flow. This can require some imagination, or in some cases, faith. Regardless, the math has to add up.
VIDEO: Modern Air Ride Diagnostics
Andrew Markel shows how servicing air ride has changed over time and what knowledge you will need to better work with modern systems.
Variable Assist Power Steering Diagnostics
During the past 20 years, steering feel is one of the most researched and engineered aspects of any vehicle. To get the feel just right, OEMs are using a combination of old and new technologies that can also help to make the engine more efficient.
