The heater core is a small radiator that warms the car’s cabin using hot coolant from the engine. The cooling system’s hoses circulate liquid coolant through the heater core as they do through the ...

We’ve all been there—you’re just cruising along in your vintage Vette and you get a whiff of coolant. Then, you notice a drip in the passenger-side floorboard. The dreaded heater core leak is ...

Driving an ice-cold car on a frigid morning is no fun and a heater blowing cold air is not only annoying it's a safety hazard. Here is what to do.

Of course, it goes without saying that all of us hot rod guys are tough as nails, and don't require any wimpy, comfort amenities in our cars. It's just that our wives ...

Restoring your heater box with A/C may not be the last thing someone will check out on your car, but it certainly won't be the first. Paint, engine, interior, dash, and then maybe the undercarriage is ...