Does the heat in your car not blow as hot as it used to? Is the heat in your car blowing cold air? There is a good chance you heater core is partially or fully clogged... but there is an easy way to fix it.. with vinegar!

The vehicles used in this video is a 2001 Jeep Grand Cherokee Limited with the 4.7L V8, but this process will be the same for virtually any vehicle.

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We hope you enjoyed this video and will keep in mind that all information included is intended to be purely academic and in fact is only the opinion of D&E. We are not professionals, nor are we qualified to knight you a professional. D&E want to ensure that anyone modify or fixing their own vehicle does so in a safe manner which leaves the vehicle in a legal, roadworthy state. In short, DON'T BE A MONKEY WITH A TOOL BOX! If you don't know what you are doing, leave it the professionals!