× 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: overheating caddy 4.6
Posted to Technical Discussion Forum on 6/1/2005

put a 0-50 psi pressure guage on the heater inlet hose..rev the engine and you should see ABOUT 30 psi..that'll tell ya if the WP is pumping good HTH Login to read more.