A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

Brown Gunk In Coolant Reservoir?

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Old Jan 23, 2007 | 01:15 PM
  #11  
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RKA
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Default Sure.

But which of the three would you like to replace first?

And which of the three is most likely to be the culprit?

The answer to both of those questions should be "the oil cooler".
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Old Jan 23, 2007 | 01:26 PM
  #12  
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lol, yes, of course We all hope it's just the oil cooler!
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Old Jan 24, 2007 | 04:37 AM
  #13  
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Default Had same prob on my 2.8Passat wagon. Flushed and it is fine

A friend of mine is a tech and he says its the ****ty new coolant
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