Fix WEAK/COLD CAR HEAT with VINEGAR - How to flush your heater core

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. Get 10% off all GRYPMAT gear by using code D&E10 at https://www.grypmat.com?aff=DEinthega... HAS ONE OF OUR VIDEOS HELPED OR ENTERTAINED YOU? Want to help up make more? Checkout D&E Merchandise and our Patreon Page.. T-Shirt, Beer Koozies, Stickers and More: https://www.etsy.com/shop/DandEintheg... Become a PATREON and receive D&E gear as well as exclusive content:   / dandeinthegarage   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!