Never actually looked at my expansion tank until last night when I was havign a bit of an explore.....
When I took the top off it and pulled the tube out the tube was covered in a dark oil / sludge which I got off with a towel.
This sludge was VERY thick and took a while to wash off....
What could have caused this?
When I took the top off it and pulled the tube out the tube was covered in a dark oil / sludge which I got off with a towel.
This sludge was VERY thick and took a while to wash off....
What could have caused this?
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