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4 reasons your car's heater will only blow cold air (and what to do about it)

Having a car heater that only blows cold air isn't just uncomfortable, but it can also be dangerous. One of the unbreakable rules of winter driving is to keep your windshield clear. Even if you scrape ...
GM Authority

Here May Be Why Your Chevy Silverado, Tahoe Or Suburban Shows Poor Front-Seat Heater Performance

Chevy Silverado, Tahoe, and Suburban front-seat heater failures. A plastic high spot on the HVAC door causes binding and cold air.
GM Authority

Here May Be Why Your Chevy Tahoe Or Suburban Rear Heater Blows Cold Air

GM has released a fix for the Chevy Tahoe and Suburban rear heater blowing cold air. The issue tends to occur while the SUV is at idle and sometimes persists as the engine revs. Affected models ...