Spark plugs that haven't been changed for a long time can become one with the cylinder head. Fortunately, it's possible to repair damaged threads instead of scrapping the head. (Photograph by Chris ...

We have all done it, overtightened a bolt and blown out the threads. When a bolt starts to tighten up and then go suddenly loose, you know that the threads are toast and now you have a problem.

Few things disturb us more than the bewilderment of a broken bolt or seized pipe plug in a casting. You’re at a loss for how to get the darned thing out. This is when you have to slow down and come up ...

Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. When you’re working on engines, machinery, or older equipment, ...

Auto service and repair shops perform preventive maintenance, general repairs and safety checks to keep your vehicle in good shape. Use our guide to research the best auto service and repair companies ...