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 ...

If you haven’t figured it out yet, we’re about to cover the replacement of a heater core. Our subject is a ’89 Jeep MJ Comanche, but the steps are basically the same for an XJ Cherokee of similar ...

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 ...

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 ...

Heater hoses are rubber hoses that circulate engine coolant to and from the heater core, which is the small radiator that provides heat for the cabin. They typically extend from the engine to the ...

For those who drive their vintage Mustangs in the fall and winter months, having a functioning heat and defrost system is essential for driver safety and comfort. If it's 40 degrees outside, just ...