How To Unclog a Heater Core

Heater problems in the winter suck. But with a little diagnosis you can usually figure out the problem. Heater cores can get clogged from time to time and this video presents a solution to that problem should you have it. BTW, the product used in the video was CLR. If you KNOW you have a clogged heater core this procedure is a good thing to try to help fix the problem. However, if you are having heating problems I would suggest you check for air in the cooling system first before performing this procedure. The #1 cause of heating problems is actually air in the cooling system. More information on how to deal with HVAC issues can be found in this article I wrote.

HVAC problems

“Solving Automotive HVAC Problems“
If you’re heater isn’t getting hot or your AC isn’t getting cold, check out this article on how to solve problems with your vehicles HVAC system.

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