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Cooling fans not coming on.
2015 F3s Hot Rod Cruiser. My cooling fans quit working. Checked the 30 amp fuse and it is OK. Any suggestions? It is not overheating, just higher temp than normal with out the fans kicking in.
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Very Active Member
Hmmm, gotta be the temp sending unit for the fans. Better have your dealer check it ASAP. Cuz you know it only takes one time to really F things up! And sometimes that one time comes in a heartbeat!
'15 F3-S Pure Magnesium Metallic - Mad Max Edition
'15 Mclaren 650S Coupe - Aurora Blue
"You Were Really Flyin', When I Passed You Back There!"
Chuck
2015 F3-S , Pure Magnesium Metallic/Steel Black Metallic
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Very Active Member
Little checking.....
Do you know when the fans did come on....? could it be the weather change but if you know when they kicked in and they are no longer doing that it would be the temp sensor and you should have it checked out. On my RS the fan does not kick in till it hit 5 bars which seems to be past the mid point....
Gene and Ilana De Laney
Mt. Helix, California
2012 RS sm5
2012 RS sm5 , 998cc V-Twin 106hp DIY brake and park brake Classic Black
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There is also a relay in the right hand fuse box that controls the fans. Sorry but I can't copy and paste the service manual. If the relay is good you may have to have it hooked to BuDS to check the operation, it says if hooked to BUDS and you can activate the fan then it may be the Coolant Temperature Sensor.
Good luck.
2017 F3T-SM6 Squared Away Mirror Wedgies & Alignment
2014 RTS-SM6 123,600 miles Sold 11/2017
2014 RTL-SE6 8,600 miles
2011 RTS-SM5 5,000 miles
2013 RTS-SM5 burned up with 13,200 miles in 13 weeks
2010 RTS-SM5 59,148 miles
2010 RT- 622
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Originally Posted by SpyderAnn01
There is also a relay in the right hand fuse box that controls the fans. Sorry but I can't copy and paste the service manual. If the relay is good you may have to have it hooked to BuDS to check the operation, it says if hooked to BUDS and you can activate the fan then it may be the Coolant Temperature Sensor.
Good luck.
I suppose there is no way to test the relay. I did notice it in the fuse box. No active codes right now. At least it has not overheated.
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Very Active Member
maybe a way !
Originally Posted by fantabstic
I suppose there is no way to test the relay. I did notice it in the fuse box. No active codes right now. At least it has not overheated.
if you could put an ohm meter in line with your fans , when the temp gauge hits 4 or 5 bars , you would see the volt meter register something ? { just an idea }
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Originally Posted by Chupaca
Do you know when the fans did come on....? could it be the weather change but if you know when they kicked in and they are no longer doing that it would be the temp sensor and you should have it checked out. On my RS the fan does not kick in till it hit 5 bars which seems to be past the mid point....
Fans do not come on at all now. Before at about 4-5 bars. The weather in Florida is still hot so I am guessing you may be correct with the sensor being bad. You would think there would be a code active for that. No codes are active. ( thanks for your quick response)
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