A7 Coolant temp too high and Coolant system fault
08-24-2018, 12:59 PM
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A7 Coolant temp too high and Coolant system fault
Hi all, I stopped my 2012 A7 at shop 2 days ago for 2-3 minutes with engine ON and AC ON, as soon as i come back saw on my dashboard Coolant system fault, i tried to move the car to better place to park and Cooland Temperature too high error has pleased me instantly, The gauge was really ar the red line 
, and hot coolant leaked from the expension tank... lately i tried to inspect the fault myself and found out that Fans won't start even coolant temp is at the middle normal level and with AC on... I am on vacation now and haven't been at the workshop yet to scan codes,but what shall i expect from this Fault? Fan unit replacement? Fan fuse dead? Thermostat? (I don't think). Whats the common issues for these cars?
Thanks
, and hot coolant leaked from the expension tank... lately i tried to inspect the fault myself and found out that Fans won't start even coolant temp is at the middle normal level and with AC on... I am on vacation now and haven't been at the workshop yet to scan codes,but what shall i expect from this Fault? Fan unit replacement? Fan fuse dead? Thermostat? (I don't think). Whats the common issues for these cars?Thanks
08-29-2018, 05:29 AM
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Hi Had the same issue earlier in the summer. Turned out to be the fuses for the fans....See post here:
https://www.audiworld.com/forums/a6-.../#post25177480
https://www.audiworld.com/forums/a6-.../#post25177480
03-26-2021, 06:29 PM
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Coolant System Fault/ Both fans inactive
I have the same issue? If it’s a possibly thermostat issue what route did you go repairing it? My mechanic is saying I need two new fans he changed the fuse still no activity from the fans
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