Oil In Expansion Tank Diesel

Hi i have a vectra 2 0 dti 02 plate with a peculiar problem the expansion tank is full of thick black oil.

Oil in expansion tank diesel.

Scammed oil in coolant expansion tank. It was more noticeable once the undertray had been removed to take a look. What s new 3 12 24 72. When i changed the oil there weren t any traces of water in the oil.

That tank is there to hold excess coolant and give room for expansion hence the name. The cubical coefficient of thermal expansion for gasoline is approximately 0 000950 degree celsius. Light brown oil scum soap on the side of the expansion tank slight oil sheen on coolant problem solved for 100 plus about 2 hours max including the coolant flush and change. I open the coolant cap and i see milky oil in it plus white smoke comes from the tailpipe.

My engine has an oilcooler where coolant not air cools the oil so i suspect there must be a leak there and due to the higer pressure of the oil in relation to the. However calculations for volume of fuel including gasoline are usually based upon american. Scammed oil in coolant expansion tank. The expansion tank is located higher than the radiator and functionally becomes the top of the radiator adding fluid capacity with plenty of room for coolant expansion.

A friend of mine had this problem on his car before he changed the oil cooler and new expansion tank as it had mucky water stained on it and the car is still fine today but the water is a little murky but head deffo hasn t gone so maybe residue from somewhere 2009 sprint blue s3 8p3 bose rnse mkii bluetooth rear pdc cruise control. Hi i have a 2009 bmw x6 35i 3 0l engine and my check engine light comes on but the car not overheating. A lot of expansion tanks have hot cold markings instead of min max to lessen the confusion. It s common for them to read min when the engine is cold but it will reach closer to max once the engine is at operating temperature.

I initially thought i had an oil leak at the n s fas oil was pouring out from under the car. My profile my preferences my mates. Car is vectra diesel year 2000 with 200 000 miles it turned out to be the heat exchanger 20 off ebay and my local man has replaced it.