Dubbed the “Boss,” this 2003 Hummer H1 features 20,000 miles on the odometer, a familiar 6.5-liter turbo diesel V8, an ...
You get into your car, turn the knob, brace for warmth, and get…refrigerated air. Augh. Before you assume the worst, though, take a breath. Most heater failures fall into a short, familiar list for ...