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 ...

The heater core is located inside the vehicle between the instrument panel and the firewall. It looks like a miniature radiator minus the fill neck and cap. The purpose of the heater core is to ...

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 ...

Quite often, working on a vintage or late-model Mustang is fun. A large part of that is due to an intriguing upgrade, such as installing a four-barrel carburetor and intake in place of a two-barrel.

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, ...

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 ...

As winter sets in and temperatures drop, a functioning heater becomes a necessity. But what if, instead of warm comfort, your ...