QUESTION: During the past few months I've noticed a chirping noise from the engine of my 1999 GMC Yukon. Also, if I start the engine with either the air conditioner or defroster on, a much louder ...

Keeping a car running smoothly and reliably for the long haul requires routine maintenance. And although cars have become, in many ways, complicated computers on wheels, there are still some basic DIY ...

Despite doing so much, most of us forget the serpentine belt even exists — let alone that its tension matters. But it does. A lot. Too tight and it'll grind bearings to dust. Too loose and you're ...