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 ...

It’s all about control. Harnessing fire was a pivotal achievement by humans in controlling the environment. And that’s what we’re talking about, control of the heat in the Corvette cockpit. Getting ...

When your car heater core malfunctions or wears out, it seriously threatens the engine if not rapidly repaired. Heater cores use the engine's coolant to heat the air in your car and serve as a heat ...

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 ...

Cabin leaks that leave your carpets soaked or your windows fogged rarely start at the floor. They often begin inside the dashboard, where a small radiator called the heater core can quietly dump ...

As winter sets in and temperatures drop, a functioning heater becomes a necessity. But what if, instead of warm comfort, your heater blows icy air through the vents, or fails to work altogether? It's ...

Both evaporators and heater cores have a dramatic affect on the comfort level inside a Corvette. Another thing they have in common is that their replacement is a job many owners dread. Fortunately, ...