DEF is easy to contaminate, and fortunately, it’s also easy to test. Check to be sure that your customers’ DEF is up to spec with these simple tests.

In this challenge, techs and DIYers get as close as possible to a target final pressure to see who’s got the best skills and strategies at the tire machine.
A few things to bear in mind considering the increased wear on tires.
Which of the following is LEAST LIKELY to require a separate gasket for installation?
Auto care news and advice you can use.
Putting up freight and pulling orders is more than busywork. It’s tuition.
The Proving Grounds crew takes on another round of The Mystery Box Challenge with new parts and a few new faces.
Air filters are an easy service item to overlook, but most manufacturers recommend a new filter every year or 15,000 miles.
There are applications for shims besides fixing camber and panel gaps.
Faults in the car pay you. Faults in the scanner cost you.
Shop Press is the news and idea hub for everything related to working on cars and trucks, focusing on repair, technology, and wrenching lifestyle. With interesting stories from around the world, features on creative people and solutions, and all kinds of other stuff that’ll make you use your mind and your hands.
Auto care news and advice you can use.
Not so long ago, forced induction was mostly limited to high-performance sports cars and diesel trucks. Join Lemmy and Nick for a deep dive into modern forced induction systems and the parts that keep them running.
Especially for your mechanically-inclined clientele, sometimes a fingerful of clean grease is a lifesaver.
A fellow YouTuber recommended it. Why not give it a try?
Two solutions for yellowed, hazy headlights.
They look the same, but serve different roles. Here are the very specific scenarios where the lesser-known parallel connector shines.
Featuring state-of-the-art editing, this video is still relevant nearly a century later.
Which of the following is the most critical result of a rust hole in an exhaust system?
Smartphones, laptops, and computers are normally cleared of all data before selling or discarding to protect personal information.