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Ok I have a 97 audi a4 I just got a new water pump put in 3 weeks ago and started to see alot of coolant on the ground up by the radiator.... The othere night I got home from work and smoke/ steam was comeing from the engine so I got out the car poped the hood and saw that the expantion tank was Pissing out coolant from the bottom.... What does this mean..... Also before the car stared ti leak I flushed out the heater core because the heat was not working. The heat works now. Also I got the water pump replaced because the pullie was getting pushes out and rubbing metal to metal... Now that sound is back

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Have to have a shop answer your questions

I would say you have a new issue

Expansion tank leaks or some other issue hopefully
not a head gasket

Sort of new car for a heater core problem

Posted on Dec 01, 2012

  • Aaron Warner
    Aaron Warner Dec 02, 2012

    There is no oil coolant mix its just straight coolant and the car has not over heatrd... Do u think the water pump could of goin again do to the leak in the expantion tank ?


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SOURCE: 96 Deville Overheating....TroubleShooting

did you run a compression check? if so and its good then you have a blockage in the water jacket
if not then you have a head gasket leaking

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SOURCE: Coolant Problems

Hi there. It sounds like you have done the most obvious checks and I can assure you by-passing the heater core will have no effect. There are three possible causes that you need to investigate further and you will need specialist equipment for it - you either have a hair-line crack in the head or cylinder wall or it might be that the head bolts are stretched and therefore weakened and so need replacement. To help you identify these aforementioned possible problems, you might need a specialist fluid that you put into the cooling system which changes colour when combustion chamber pressure enters the cooling system, you need to contact your local Ford Dealer for this - but then you still have the three possible problems to deal with - cracked cylinder wall/s, cracked head or stretched head bolts. Hope this helps, Scottech.

Posted on Jun 17, 2009

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