Fan Clutch Help Needed
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Senior User
Joined: Aug 2016
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From: Lake of the Ozarks
Fan Clutch Help Needed
In March I replaced the radiator (my fat butt broke the smaller nozzle while working on the truck.) After replacing the radiator I picked up the code for communication loss with the fan. 2 weeks ago I replaced the fan clutch. Now the fan is running constant. I can move the fan freely by hand and don't have any codes coming up. Coolant temp reading normal (188) while driving. Fan runs even when it's cold. Could I have messed something up when I replaced it? I have a 1k mile round trip coming up Thursday and I'll be hauling a trailer with Boy Scouts gear and need the truck in top condition. Please let me know and thank you in advance.
2004 (late build) F250
EGR Deleted
198k miles
Recent work includes new fan clutch, radiator, thermostat, water pump, oil cooler, ipr... etc.
2004 (late build) F250
EGR Deleted
198k miles
Recent work includes new fan clutch, radiator, thermostat, water pump, oil cooler, ipr... etc.
Laughing Gas
Joined: Dec 2012
Posts: 1,035
Likes: 18
From: Alberta
I had the same issue on one I changed several years ago, but as it turned out, after about 5 minutes of driving it turned off. Maybe you didn’t drive it far enough? My conclusion was that because the clutch had been stored in a horizontal position, it needed to run a while before it straightened out. But no, it did that every day. Hmm...
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Senior User
Joined: Aug 2016
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From: Lake of the Ozarks
When I drove to the Springs the other day (30-ish miles down the mountain) the fan shut off after turning truck off and restarting it. Sorry, just thought of that. Any insights would be helpful right now.
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Senior User
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From: Lake of the Ozarks
I have a bluetooth OBDII and Torque and Car Gauge Pro. What should I monitor? I'm still learning how to use these apps.
More Turbo
Joined: Nov 2013
Posts: 588
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From: Wilmington, OH
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From: Lake of the Ozarks
EGR is deleted. Wire harness for that is just hanging.
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More Turbo
Joined: Nov 2013
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From: Wilmington, OH
If you still have the EGR valve plug it back in and lay it in the valley. For some reason the EGR valve not being connected can cause fan control issues. I had EGR delete with some odd fan control issues that were resolved by plugging the EGR back in and letting it sit in the valley.
Last year I switched to the 7.3 mechanical fan so I have an EGR valve not being used if you need one.
Last year I switched to the 7.3 mechanical fan so I have an EGR valve not being used if you need one.
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Senior User
Joined: Aug 2016
Posts: 252
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From: Lake of the Ozarks
If you still have the EGR valve plug it back in and lay it in the valley. For some reason the EGR valve not being connected can cause fan control issues. I had EGR delete with some odd fan control issues that were resolved by plugging the EGR back in and letting it sit in the valley.
Last year I switched to the 7.3 mechanical fan so I have an EGR valve not being used if you need one.
Last year I switched to the 7.3 mechanical fan so I have an EGR valve not being used if you need one.
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Senior User
Joined: Aug 2016
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From: Lake of the Ozarks
Okay. Any other ideas in the meantime? I don't want any problem towing this trailer Thursday.
Logistics Pro
Joined: Aug 2007
Posts: 3,974
Likes: 18
From: Millersburg, OH
I don't think you will have any problems with towing and the fan running all the time. You might see decreased fuel economy and possiably lower operating temps but that's if your thermostat isn't up to par (or you have a sucky Motorcraft one).
4th Gear
Joined: Dec 2019
Posts: 4
Likes: 0
P0480 Fan 1 Control Circuit Code showed up after EGR delete and added H & S Tuner, I read how to fix
If you still have the EGR valve plug it back in and lay it in the valley. For some reason the EGR valve not being connected can cause fan control issues. I had EGR delete with some odd fan control issues that were resolved by plugging the EGR back in and letting it sit in the valley.
Last year I switched to the 7.3 mechanical fan so I have an EGR valve not being used if you need one.
Last year I switched to the 7.3 mechanical fan so I have an EGR valve not being used if you need one.
wow, thanks a bunch for helping here as this was a problem that had me stumped and your recommendations fixed my problem totally...
I have a 2008 F450 6.4, completed a EGR delete and installed a H & S Tuner, right after I did it this P0480 Fan 1 Control Circuit code showed up and would come back after clearing every time... I looked high and low, but couldn’t figure it out till I read this thread and tried it!!! It worked perfectly.
I chose to hook up all 3 electrical connections to the EGR parts I originally removed as who knows maybe they affect other things? I also cut them down in size so as not to take up to much room as you can see in the pictures. I’ll wrap them in tire rubber and leave where they are in the picture.
I really appreciate this thread and thank you for posting it as it helped me finally fix a issue I couldn’t figure out why the code kept popping...
This fan 1 control circuit fault showed up after I removed the EGR and won’t go away until I rep lugged the EGR valve back in... you would think that the H & S tuner would of fixed this...
I cut the parts down in size to reconnect them back up and leave under the hood so the code won’t show up.
I cut the parts down in size to reconnect them back up and leave under the hood so the code won’t show up.
I cut the parts down in size to reconnect them back up and leave under the hood so the code won’t show up.
I’m not sure which device made the code go away, but I decided to just hook up all three and leave under the hood. As long as the code went away I’m happy
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