[s-cars] strange noise in S4

[tedebearp at yahoo.com]

Could be the mechanical fan rubbing against the shroud.  Take off the belly pan and take a look.  Also check the condition of the engine mounts, especially the front one.

john cummings wrote:
> 	My wife drove our  94 S4 to work this week. After 4 days she said " by 
> the way its making a funny noise but it is driving ok".
> 	The noise seems to be  coming from the front  behind the radiator. No 
> leaks, overheating, charging problems, or oil pressure issues. Does not 
> sound like metal grinding or squealing more like a rhythmic vibration 
> of something against plastic or light metal.  The fan comes on high as 
> soon as the car starts up. There are no fuses to pull or metal link 
> like in the 20v 200.......  so what is the quickest and easiest way to 
> eliminate the fan as the source of the noise? Don't want to run the car 
> for any length of time for fear its something like a timing belt 
> hanging on by a thread.   Hoping that is not the case...... TB was 
> changed about 60K ago.
> 	 In the past I have had the tendency to waste a lot of time in futile 
> attempts at problem solving while a really obvious solution was staring 
> me right in the face.
> TIA for any suggestions
> John Cummings
> PS I have read many posts in the past praising the simplicity of these 
> older Audi engines in comparison to the New Audi stuff. To me this  
> engine seems  to be a complex maze of sensors and wires compared to the 
> tractor like 60's era Volvo engines I have the most experience working 
> on.
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