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 ...

Anyone who has tackled heater core replacement will tell you they’d rather have an all-night root canal than have to perform this dreaded task. Heater core leakage begins with the subtle aroma of ...

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 ...

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 ...

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 get questions all the time about leaks and drips. You know the kind—they taunt your vast knowledge of engines, dropping puddles on the tarmac, and leave you and your family members stranded and ...

Early 2000's American trucks are awesome, and monstrous 8.1 liter V8 Vortec Chevy trucks are even more so. But when the time comes to change the heater core on one of these beasts, the bill can leave ...

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 ...