Found few black specks floating in the Coolant Expansion Tank, anyway to remove them?
04-28-2015, 05:40 AM
#11
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I would say paint thats finally come free from it's home. Flush the bajesus out of it if it's driving you crazy. refill it with water and look for the flecks again. If you see them, do some more flushing. .....or......stop looking in your coolant tank. I do support the previous diagnosis, "certified automotive hypochondriac" but I think we all have a tad of that.
04-28-2015, 06:36 AM
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Thank you blink, these Audi's tend to burp themselves you know, haha, quite evident in the coolant expansion tank. 
I would say paint thats finally come free from it's home. Flush the bajesus out of it if it's driving you crazy. refill it with water and look for the flecks again. If you see them, do some more flushing. .....or......stop looking in your coolant tank. I do support the previous diagnosis, "certified automotive hypochondriac" but I think we all have a tad of that.
04-28-2015, 06:56 AM
#14
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Remove the tank, filter the coolant, clean the tank, replace.
Found few black specks floating in the Coolant Expansion Tank, anyway to remove them?
I flushed the coolant earlier last month, and refilled the coolant expansion tank with G13. I don't think my radiator hoses or water pump have given in, but these black specks may have possibly surface as a result of the constant screwing in and screwing out of the lower radiator hose drain plug during the coolant flush process (the plug did fall out in the beginning; managed to squeeze the plug back in). I haven't noticed any changes in the coolant level since the flush. I remember bleeding the system. How should I remove those specks? Please let me know. Thanks
Specks found in Coolant Expansion Tank
I flushed the coolant earlier last month, and refilled the coolant expansion tank with G13. I don't think my radiator hoses or water pump have given in, but these black specks may have possibly surface as a result of the constant screwing in and screwing out of the lower radiator hose drain plug during the coolant flush process (the plug did fall out in the beginning; managed to squeeze the plug back in). I haven't noticed any changes in the coolant level since the flush. I remember bleeding the system. How should I remove those specks? Please let me know. Thanks
Specks found in Coolant Expansion Tank
04-28-2015, 08:22 AM
#15
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This was also the reason I used a large syringe to pull a sample while I was swapping the CTS. While I did have quite alot of these black specks, it turned out the "murkyiess" was just the lighting (or rather lack thereoff). Once I got the syringe "out in the open", it definitely was pink and clear. Just full of those specks.
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