Lemmy explains why this basic task always comes before removing the positive cable to help you understand the theory behind the practice.

Resistance is futile.
Stop beating your sockets to death.
Learn about a shop that’s making Jeeps all they can be.
Auto care news and advice you can use.
Removing old fluid from a vehicle’s braking system can be a time-consuming chore, but it doesn’t need to be.
Why build what you can buy inexpensively?
Think you know how to pour oil out of a jug? Are you sure about that? Lemmy and Nick talk about the best oil pour techniques to avoid making a mess.
Can independent repair shops benefit by offering mobile service to an increasingly immobile America?
Your multimeter is a versatile tool. But for certain diagnostics, you need an oscilloscope to get a closer look at a vehicle’s electrical systems.
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.
A set of tires is expensive. Make it special.
Step up your repair game with sensible choices.
You can’t sell what you don’t understand.
A fluid transfer pump is the cleanest and easiest way to fill a differential, transmission or transfer case with its necessary fluid.
Formal education teaches you theory and the real world teaches you the rest.
The right tools will expand your capabilities and help you to tackle more advanced jobs, but it’s not always easy to know where to start.
It’s been asked of every new mechanic for more than a century. Does it matter in 2025?
Want to make your vehicle last? Not sure how to talk to a shop about car repairs? Nick and Lemmy offer their five top recommendations.