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Rich69 Rich69 is offline
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Join Date: May 2004
Posts: 37
1999 C4 AOS Quetions

Could the oil and water mix in my engine actually be caused by a bad AOS unit ?

One tech article mentions disconnecting the coolant pipes and hooking them together
to by-pass the AOS as a test
Anybody have any additional info. on this procedure ?
Are there coolant pipes (hoses) connected to the AOS
I am not sure that I see them in the diagrams of the AOS
Need some sage advise on this one

thanks
Old 12-06-2014, 03:40 AM
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