Silverback Posted May 17, 2015 Share Posted May 17, 2015 Prepping the car for Bedford next Sat and noticed that the oil catch tank on my dry dumped R400D had about an inch of off coloured sludge, a bit mayonnaise like and smelling like a cross between fuel and oil.Coolant system is fine with no discolouration.The pipe leading from the Apollo tower to the catch tank didn't have the sludge inside (just on the end where it sits in the catch tank).I have cleaned and refitted to keep an eye.Anything major to be concerned about or just the result of cold air running in the colder months plus some residual oil in the catch tank being mixed?ThanksMatthew Link to comment Share on other sites More sharing options...
Nigel R300 Posted May 17, 2015 Share Posted May 17, 2015 It is a mixture of oil and fuel vapour and condensation/water droplets nothing to be concerned about Link to comment Share on other sites More sharing options...
6speedmanual Posted May 17, 2015 Share Posted May 17, 2015 It's the water which forms an opaque emulsion with the oil. This is what you get in your sump if you do lots of short, non warmed up engine journeys. Try warming your gooey sample and the water may escape leaving something looking more oily. Just sd a curiousity, mind. Not to do anything useful with the oil. Except creosote a fence... Link to comment Share on other sites More sharing options...
Silverback Posted May 17, 2015 Author Share Posted May 17, 2015 Thanks for the comments - thought I would check! Link to comment Share on other sites More sharing options...
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