× 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: Preventive Maintenance on A/C Systems
Posted to HVAC Forum on 7/14/2009

I guess the same reason they cap fuel filters, to improve shelf life by preventing rust/corrosion, dust and dirt, and insect entry. Login to read more.