Let’s say you’ve got your car’s front hood up and you accidentally set a wrench on top of the battery. If the wrench touches both the positive (+) and negative (-) battery terminals, it ...

Inside every abandoned car is a lead-acid battery just waiting to power a makeshift arc welder. Saws, drills, grinders, and lathes may be more precise tools, but welding devices are unmatched for ...

Historically, impact wrenches were predominantly pneumatic, or air powered, which left them squarely in the domain of professional mechanics. To run a typical 1⁄2-inch pneumatic impact wrench ...

Your Corner Wrench: Making the most out of your car's heating system Home use battery testers, like many other electrical items, have come down in price over the years.

I sent my car for servicing recently and was told the battery had to be replaced. It is a 21-month-old Mazda 6 which has clocked about 20,000km. According to the authorised workshop, the car's ...

But Wrench is one of a few car-repair services that are taking advantage of online models. Nick Gorton, vice president of product innovation at Edmunds, an online automotive retailer and industry ...