Bryan Cheer
Posts: 12
Joined: 5/2/2005
Status: offline
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Barkin, I had a similar problem last year. The root cause was sludge in the radiator. My Audi is a 2L Sport 16V, and has a cross-flow rad, and the sluge had collected over on the outlet side, which is the top hose side, and gradually covered the ends of the cross-flow tubes, from the bottom up, reducing the effectiveness of the radiator, until it could not cope with the heat involved, at which stage it blew a gasket! Compounding my downfall was the fact that the temperature guage was not working at the time... I'm thinking, though, that even if it were, the water in the rad, and possibly at the temperature sensor, might not have been very hot, simply because the coolant was not circulating as it should have been, so most of the heat, and temperature, would have been in the engine half of the circuit. Feel the rad, and if it is relatively cool, take it out and give it a good thrashing, sorry, flushing, bearing in mind where the sludge is. Good luck! Bryan. PS. I will be posting a problem I have at the moment, in this column shortly, and would be grateful for any ideas. Thanks.
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