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Radiator fan problems

ELo2017

By ELo2017
in Engines & Drivetrain

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ELo2017 New Member

ELo2017

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I have a 17 Silverado and the radiator fan was constantly running and wouldn't turn off until a good 5 minutes after shuttingof the truck. Through researching online, I found the problem was either the coolant temperature sensor the thermostat. I started by doing the thermostat (should've just did both at the same time) and the fan continued to run. I located the sensor and had planned to install it after work when my fan stopped working before I had a chance. Didn't wanna risk overheating so I had it towed. Installed the sensor and the fan won't kick on. My question is this...I had planned on replacing the fan relay as I figured it blew from the fan running too much and when I checked the fuse box, the relay and fuse where not present. Is this fan supposed to run without a relay and/or fuse? I'm hoping the fan itself didn't burn out because of no relay/fuse. Any help or advice would be greatly appreciated!

rav3 Senior Enthusiast

rav3

Posted
Posted

Did you disconnect the battery to reset ECU?

 

ELo2017 New Member

ELo2017

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@rav3letting my truck cool down and gonna do it right now. Is it just ground on battery or hot as well? Video just showed ground. Thanks btw for sending!

rav3 Senior Enthusiast

rav3

Posted
Posted

I don't know other than what the video showed. I know on BMWs, some would remove both cables & actually touch them together (after removed from battery) to drain any residual. Don't think that's needed in your case but others may know more on this.

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