Always have mechanical support for your car when you're under it, whether that's jack stands or just a stack of 4x4s. All hydraulics will eventually fail, and you don't want to be in the way when ...

Ah nuts, I lost my car jack again. What will I do ... It does use an M12 threaded rod to provide the mechanical advantage required to lift the car by hand. But for ABS plastic holding it all ...

Watch a skilled craftsman bring a damaged hydraulic car jack back to working order. Starting from a completely destroyed ...