× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: 'Tis the Season
Posted to Technical Discussion Forum on 12/8/2010 12 Replies

Soak the heater core from the insides with red apple cider vinegar. That will loosen up the calcium that is in the heater. Login to read more.

12 Replies Received (View Replies)