HFO-1234yf: What’s Required
Unless you’ve been living under a rock, you might have heard about the new regulations and requirements for R-1234yf usage. Not sure? Well, it’s time you crawled out from under that rock and get ready for some of these new regulations that will affect you and your profession.
Testing Active Wheel Speed Sensors
The best tool for testing the active speed sensor is a good scanner, preferably one that can show the separate speed sensors in graph form. A lab scope is probably the best for a more precise answer and can be attached directly at the sensor to read the individual sensors or wires, rather than the entire system as with the scanner.
Wheel Speed Sensor: Understanding ABS Brake Passive Sensors
The passive wheel speed sensor has been around a long time. It works quite differently than the active speed sensors that are found on most cars today. The passive speed sensor creates its own AC signal that changes frequency with wheel speed. This signal is only present while the wheel is turning at a rate fast enough to create the AC signal.
Understanding Diesel Exhaust Filters
The Diesel Particulate Filter (DPF) is a ceramic filter that has thousands of tiny channels or honeycomb-shaped openings that trap the soot onto the channel walls and prevent the particulate matter (down to 1 micron) from exiting out the tail pipe.
How Accurate Are Reviews?
According to some surveys I’ve seen, over 80 percent of the buying public relies on reviews as a way to determine if a product or service is a worthwhile investment. The problem is that it can be difficult to tell when those reviews are a true depiction of the business or product and when they’re
Personal Preventive Maintenance: Don’t Let Work Get In The Way Of Life
Scott Weaver found out first hand that preventive maintenance doesn’t just apply to maintaining vehicles, it also has to do with protecting one’s health.
How Quick Fixes Can Lead to Long-Term Problems
Once in a while, some of these in-the-ditch repairs truly are born out of a roadside emergency, but I tend to believe that even these quick fixes could be avoided with a little bit of proper maintenance know-how. The problem is that some people like to tackle repair work themselves regardless of their repair acumen.
How Long Is A Labor Hour?
Even with all of the technically advanced diagnostic tools professional technicians have at their disposal, there are still people who can’t understand why diagnostic time should be included in the labor estimate, even though it’s not part of the R&R for the component.
Have You Seen This Before? A Tech’s Guide For Dealing With Skeptical Customers
“Have you seen this before?” That’s the typical question asked by skeptical customers the world over. How do you answer that? A “yes” answer can lead you down a rabbit hole you don’t want to travel, while a “no” answer can present its own set of problems.
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.
Customer Satisfaction: You Can’t Win Them All
When you start your own business, your initial goal is to make every customer happy. But as the years go on, you realize some people aren’t going to be happy no matter how good of a job you do.
Modern Vehicle Diagnosis And Repair
Even with all these modern tools, techniques and scanners, there are still problems that occur because of previous work performed incorrectly. The difference is how the computers in modern cars interpret incorrect parts or faulty workmanship.
