The standard heater core above is copper – some cores are aluminum .

© DenLorsTools.com Summary: This is part two of our exclusive car repair blog helping to troubleshoot car heater problems when they blow cold. The original article has been very popular in the colder months of the year. This repair article picks up where the first article leaves off. If you have not read the first part of the Car Heater Blows Cold article, I recommend reading it first.

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Heater hose clamps like pictured can be removed easily with special hose clamp tools.

Summary: © DenLorsTools.com In this auto service repair article, we cover how car heaters work. Knowing how the automotive heater system is designed to work, allows the car owner or auto tech to diagnose problems more quickly and easily. Car heaters are designed much differently than home heaters, therefore diagnosing and repairing auto heaters requires different service procedures. Auto service tips and information provided in this car repair article is written by a master automotive technician that has many years in the field. The info. is provided in simple language that is easy to understand by anyone – experienced in auto service or not. (Be sure to read the questions and answers in the comment section at the end of the article. Also see page 2 of Car Heater Blows Cold for even more tips.)

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