[s-cars] overheating dilemma

[Michael Wakefield]

I had a 92 audi V6 that had an overheating problem. The problem was  
that the water pump is driven off the smooth backside of the ribbed  
belt, and the water pump was tight enough and the tension was low  
enough that it would just slide on the pump. If it doesn't rotate, it  
doesn't circulate water. Good luck.
Mike Wakefield
93S4
97Cabriolet

On Feb 11, 2006, at 4:10 PM, Tony Guttmann wrote:

> At the risk of abusing the list with a non-Scar question, my  
> daughter's
> Audi 80 2.6litre V6 quattro is overheating, and we don't know why! The
> radiator, the water pump and the thermostat have all been removed and
> checked. The head gasket has been tested two different ways, and  
> seems to
> be sound. No water in the oil. No leaks evident in the hoses,  
> cooling system holds
> pressure. Fan sensor has been replaced, and fans seem to kick in  
> appropriately.
> Ambient temperatures here (Australia) are no more than 30C at  
> present (86F),
> and the situation manifests itself in stop-start city driving.
>
> My mechanic is running out of ideas! Any inspiration from the  
> collective
> brotherhood (naturally, this is used ultra-collectively to include  
> any sisters
> out there)?
>
> Many thanks in advance for any suggetions!
>
> Tony Guttmann
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