As winter sets in and temperatures drop, a functioning heater becomes a necessity. But what if, instead of warm comfort, your heater blows icy air through the vents, or fails to work altogether? It's ...

My brother has a 2006 Toyota RAV4 with 125,000 miles, which we think has a clogged heater core. The Toyota maintenance schedule calls for changing the coolant every 100,000 miles, which he has done.

Dear Car Talk: I have a “no heat” problem on my ‘99 Pontiac Grand Prix SE 3.9 liter. It runs fine with no overheating (yet). I suspect a plugged heater core and want to bypass it for the rest of the ...

DEAR CAR TALK: My brother has a 2006 Toyota RAV4 with 125,000 miles. We think he has a clogged heater core. The Toyota maintenance schedule calls for changing the coolant every 100,000 miles; he takes ...

DEAR CAR TALK: I have a "no heat" problem on my '99 Pontiac Grand Prix SE 3.9 liter. It runs fine with no overheating (yet). I suspect a plugged heater core and want to bypass it for the rest of the ...

so If I read this right, your blower is running but the air is cold... right? You could have a clogged heater core, an air pocket trapped in the core, or perhaps your HVAC blend door is stuck.

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 ...

I have a “no heat” problem on my ‘99 Pontiac Grand Prix SE 3.9 liter. It runs fine with no overheating (yet). I suspect a plugged heater core and want to bypass it for the rest of the summer. Will ...