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How to service spark plugs the professional way

The spark plug has a tough job to do, and it has to do it under extreme conditions. The terminal (top) end of the spark plug is connected to a high voltage supply source, the ignition coil. As current flows from the coil, a voltage potential builds between the center...

Report: cars are the worst products for protecting user privacy

Data security is one of the most frequently cited arguments automakers make in their fight against right to repair. For instance, in a memo published last October by their advocacy group, they called a new right to repair ballot initiative in Maine a “monetizable data...

The pros (and more than a few cons) of chrome

My Shop Press colleague Lemmy and I have had an ongoing debate about chrome. Since I’m a lover of antique cars, particularly Tri-Five Chevys, you can guess that I’m a pretty big fan of chrome. I think it makes any car look luxurious and stylish. Lemmy, on the other...

PSA: Make sure your Loctite isn’t fake!

Loctite’s threadlocking compounds are used by automotive professionals everywhere to secure critical fasteners. Unfortunately, Loctite's popularity has resulted in a wave of counterfeit products that can look remarkably like the real deal. Everything from the bottle,...

Exhaust tips: three ways to fine-tune your method

Exhaust tips: three ways to fine-tune your method

Exhaust work is straightforward and (I think) easy to understand. If you’ve got a lift and a ‘cety torch, it really should be gravy work. That said, I have made plenty of my own mistakes and repaired the mistakes of others. Hopefully this article helps a few of you...
Four not-so-obvious ways grease can come in handy

Four not-so-obvious ways grease can come in handy

I like grease. You may or you may not, but as a very cheap staple of most shops, I’ve learned to use it in a few unconventional ways, which has made me like it more. Here are a few times plain ol’ grease is what you should reach for. Vertically-oriented O-rings...
Two A/C checks you don’t wanna skip

Two A/C checks you don’t wanna skip

If you’ve already invested in RRR (recovery/recycle/recharge) machine equipment necessary to service vehicles with R1234yf, you may have also already learned that performing a refrigerant identification test prior to recovering what is in the customer’s vehicle is...
Five tips for servicing cartridge-style oil filters

Five tips for servicing cartridge-style oil filters

The oil change is supposed to be simple, right? And while the service guide is always your guide, there are a few things that pertain to servicing vehicles equipped with cartridge-style oil filters that aren’t always covered as well as they could be....
The cheapest tool you can buy to turn more hours in a dead bay

The cheapest tool you can buy to turn more hours in a dead bay

I feel silly admitting it, but I didn’t know what a breaker bar adapter was for a long time. When I learned what it was and what it does, I immediately thought that the tool was useless. Then I changed my mind. Lemme tell you why. Just in case you don’t know what a...