A brake service job isn’t complete unless the reservoir cap’s diaphragm has been pushed back into place. This simple step is easy to forget, but it helps to reduce brake fluid contamination and ensure proper system function.

Nick and Lem take a peek at what’s rolled into bays around the country and give their (unrequested) opinions on things.
Which fuel is right for your truck, gas or diesel?
Diagnosing a catalytic converter isn’t always the most straightforward process. Here are some tips from Nick and Lemmy at Dorman on what to watch out for.
An unfair and unbalanced review of different ways to make electrical connections.
An inexpensive tool that’s worth its weight in gold.
Watch the Dorman mechanics watch videos. It’s better than it sounds, we promise.
Our photographer Mike Apice was recently visiting a Dorman facility in Portland, Tennessee, when he stopped in to a small repair shop in nearby Cross Plans. Here’s a look inside.
Introducing the news and idea hub for everything related to working on cars and trucks, focusing on repair, technology, and wrenching lifestyle.