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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / October 2005Water-Oil Mix (grey sludge) on Inside of Oil Filler Cap
In process of winterizing my boat engine (Chevy V-6) I discovered this. I had just drained the oil and it was perfect. Looking into the oil port there was no evidence of water, all was confined to the base of the cap. Simple condensation, or a leak in the cap that let water in from the top? Thanks for your help. Frank Check your PCV system... Professor www.telstar-electronics.com > In process of winterizing my boat engine (Chevy V-6) I discovered > this. I had just drained the oil and it was perfect. Looking into the [quoted text clipped - 4 lines] > Thanks for your help. > Frank > In process of winterizing my boat engine (Chevy V-6) I discovered > this. I had just drained the oil and it was perfect. Looking into the [quoted text clipped - 4 lines] > Thanks for your help. > Frank I think that you are dealing mostly with water condensation from the oil which deposits on the uppermost engine surfaces. I know nothing of boating, but in auto engines this is a sign of short trips and/or littleoldladyesque driving, which doesn't allow the moisture trapped in the oil to boil out completely. Excess moisture could be getting trapped in the engine through the intake due to it's marine environment, or you could be trolling the engine at a lower rpm than is recommended for too long. Toyota MDT in MO > In process of winterizing my boat engine (Chevy V-6) I discovered > this. I had just drained the oil and it was perfect. Looking into the [quoted text clipped - 4 lines] > Thanks for your help. > Frank Base on what you say, probably simple condensation - AKA "No big deal".  SignatureDon Bruder - dakidd@sonic.net - If your "From:" address isn't on my whitelist, or the subject of the message doesn't contain the exact text "PopperAndShadow" somewhere, any message sent to this address will go in the garbage without my ever knowing it arrived. Sorry... <http://www.sonic.net/~dakidd> for more info I get a froth on the underside of the oil filler cap on my low use car. The advice I got here was to take the car for a drive in the country. That got rid of it. > In process of winterizing my boat engine (Chevy V-6) I discovered > this. I had just drained the oil and it was perfect. Looking into the [quoted text clipped - 4 lines] > Thanks for your help. > Frank -- ------------------------------------------------------------------------------ William R Watt National Capital FreeNet Ottawa's free community network homepage: www.ncf.ca/~ag384/top.htm warning: non-FreeNet email must have "notspam" in subject or it's returned > I get a froth on the underside of the oil filler cap on my low use car. The > advice I got here was to take the car for a drive in the country. That got > rid of it. I dont have the froth, but I take the top down and take a country drive a lot - maybe that's why I dont have the froth? :) Signatureremove MYSHOES to email Thanks all for the info. I really thought it was just condensation, but thought I'd ask. The boat sat around at the mooring largely unused, with cold nights and very dewy mornings, for a couple of weeks. It was then run twice for short periods before it was hauled. I noticed the grey guck when I started the winterization process a few hours later. Sounds like a perfect setup for condensate, huh? Thanks again. Frank >In process of winterizing my boat engine (Chevy V-6) I discovered >this. I had just drained the oil and it was perfect. Looking into the [quoted text clipped - 4 lines] > Thanks for your help. > Frank > Thanks all for the info. I really thought it was just condensation, > but thought I'd ask. [quoted text clipped - 3 lines] > guck when I started the winterization process a few hours later. > Sounds like a perfect setup for condensate, huh? Oh yeah... In spades. SignatureDon Bruder - dakidd@sonic.net - If your "From:" address isn't on my whitelist, or the subject of the message doesn't contain the exact text "PopperAndShadow" somewhere, any message sent to this address will go in the garbage without my ever knowing it arrived. Sorry... <http://www.sonic.net/~dakidd> for more info
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