D2 A8/S8 (1997 - 2003)
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Don't understand it
Posted by: esseight (1215) on 2018-03-30 19:59:15
In Reply to: Electric fans posted by DS8 on 2018-03-30 19:02:02

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It just seems to roar (and not in a good way) all the time. I've tried two new fan clutches, so that's not the issue. Blades are fine, obviously. Shroud is intact and mounted correctly. Thermostat's good. The fan doesn't seem to disengage (freewheel) at lower temps and doesn't spin very easily when cold. As I said, I'm usually around 3000 rpm in everyday driving which is about 1200 rpm higher than an auto would be, so it could very well be fan noise due to the increased engine speed.

Going to try and meet up with a local S8 or two for comparison purposes. The couple of shops I've had look at it tell me NTF, so all of this might just be me as I tend to fixate on something once it starts bothering me whether legitimate or not.
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