<VV> Fwd: Water in oil/milk shake

[HallGrenn at aol.com]

In a message dated 12/17/2008 4:58:25 PM Eastern Standard Time, HallGrenn  
writes:

 
In a message dated 12/17/2008 12:31:49 PM Eastern Standard Time,  
judgehouston at yahoo.com writes:

In  Maine this is a common problem due to condensation in oil due to short  
trips. I wouldn't drive to burn it off. You should change the oil and filter  
immediately. I've seen 'ice'clog oil filters and when removing the filter  
slushy ice will come out from the drain holes. My elderly aunt was almost  talked 
into a 'head gasket' job on her rarely driven V6. The dip stick  looked like a 
coffee milk shake. 


I don't claim to be an engineer, but I have had it on good authority for  
decades that the mocha colored whipped stuff  you are talking about is  the 
result of the oil additives keeping the water in suspension.  That's  what the "W" 
in winter weight oil means--that you have additives to  handle the 
contamination common when operating at low temperatures in addition  to the lower 
viscosity necessary for easier cranking and fast flow when it is  cold.  Most people 
use a multigrade oil which has the "W" winter rating,  but if you are running 
a straight weight 30 HD then I WOULD change it  right away.  But if you are 
using a good 10W-30, 15W-40 or  any oil of the right viscosity with a "W" rating 
then don't worry about  the "coffee milk shake"--it is just the oil doing its 
job.
 
Bob Hall
Group Corvair
Washington DC suburbs





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