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 R56 radiator electric cooling Fan

 Created by: Bluenose17
Orig. Posting Date User Name Edit Date
Aug 13, 2018 01:33PM kenatminimania  
Aug 13, 2018 11:05AM Bluenose17  
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 Posted: Aug 13, 2018 01:33PM
Total posts: 2271
Last post: May 23, 2023
Member since:Dec 29, 2004
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Quote:
Originally Posted by Bluenose17
Hi , I have an issue with my electric cooling fan . The relay that turns it on seems to work properly but once it is running it will never shut off unless I shut off the engine and turn it back on again . When I restart the engine the cooling fan will be off and will not come back on unless I turn on my air. cond. or the car reaches its hot setpoint that turns on the fan . But if the fan is activated my turning on the air cond. or if it the motor temp. reaches a temp that turns it on it will stay on forever ...even if I get on a highway doing 65mph for 4 hours on a cool day the fan will stay running until I shut the car off and back on and the issue goes away ...and when I turn it back on I do it a few seconds after shutting it of and the fan will somehow be rest and will come on only if it reaches hot temp or I put the air on . I noticed this on a long drive where i was driving for 5 hours and the fan was on the entire time ...so i shut the car off and then back on  the fan is not on ..probally not good for the battery and alternator running flat out all the time . Can someone shed a light on what they think it could be ...Thank you very much !
It 'sounds like' there is an issue with the water temperature sensor sending incorrect signals to the computer.  If yours is a 2007-20010 models, this is not an uncommon problem.  The water temp sensor is part of the thermostat housing.  If you email us the last 7-digits of the vin number, we can identify the correct replacement thermostat housing for your car. [email protected]

ken

 Posted: Aug 13, 2018 11:05AM
Total posts: 1
Last post: Aug 13, 2018
Member since:Aug 13, 2018
Cars in Garage: 0
Photos: 0
WorkBench Posts: 0
Hi , I have an issue with my electric cooling fan . The relay that turns it on seems to work properly but once it is running it will never shut off unless I shut off the engine and turn it back on again . When I restart the engine the cooling fan will be off and will not come back on unless I turn on my air. cond. or the car reaches its hot setpoint that turns on the fan . But if the fan is activated my turning on the air cond. or if it the motor temp. reaches a temp that turns it on it will stay on forever ...even if I get on a highway doing 65mph for 4 hours on a cool day the fan will stay running until I shut the car off and back on and the issue goes away ...and when I turn it back on I do it a few seconds after shutting it of and the fan will somehow be rest and will come on only if it reaches hot temp or I put the air on . I noticed this on a long drive where i was driving for 5 hours and the fan was on the entire time ...so i shut the car off and then back on  the fan is not on ..probally not good for the battery and alternator running flat out all the time . Can someone shed a light on what they think it could be ...Thank you very much !