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.

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 sweet smell of antifreeze when the heater was turned on, along with tiny puddles of coolant on the passenger-side floor mat, were obvious signs there was an issue with the heater core in our ’91 ...

A car heater that only works at speed may be low on coolant or have a clogged heater core. For a low-mileage car stored outside, follow the manufacturer's maintenance minder and consider a brake fluid ...

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 ...

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 ...