RAY: I’d have to disagree with your mechanic. I think flushing it out is worth a try. TOM: The easiest thing to do is to reverse-flush it by hooking a hose up to the heater core and pushing water ...

Our mechanic states that the heater in our 2000 Ford Focus sedan is clogged. He says there is nothing he can do, since attempts to unclog it by shooting air through it would cause damage to the whole ...

My 2008 Jeep JK Wrangler has always had good heat and A/C and is, in my opinion, such an improvement over the older Jeeps. But I am having a problem with the heat this year. My A/C was ice-cold this ...

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 ...

Dear Tom and Ray: Our mechanic states that the heater in our 2000 Ford Focus sedan is clogged. He says there is nothing he can do, since attempts to unclog it by shooting air through it would cause ...