How to tell if heater core is clogged in your car
If you're shivering in your driver's seat even though the engine has been running for twenty minutes, you're likely trying to figure out how to tell if heater core is clogged. It's one of those car problems that usually hits right when the first frost of the year shows up. You turn that dial to the red zone, expecting a blast of cozy warmth, and instead, you get a pathetic, lukewarm breeze that does absolutely nothing to thaw your toes. ...