× 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: 400 Chevy Running Warm
Posted to Technical Discussion Forum on 7/19/2002

Is the "fan on" controlled by the PCM??? If so I'd be rewiring. Install a thermo switch (190 - 212oC) in the thermostat housing then adding a relay controlled by the thermo switch and switching the fan.

If the fan only comes on when you switch off its due to... Login to read more.