A imagequstion...
I believe that's pretty normal.
https://www.rx7club.com/showthread.p...oil+cap+sludge
https://www.rx7club.com/showthread.p...oil+cap+sludge
https://www.rx7club.com/showthread.p...oil+cap+sludge
https://www.rx7club.com/showthread.p...oil+cap+sludge
However, you definitely do not want to see it in your coolant, or when you drain the oil. In those cases, it could be a sign of coolant seal failure.
Dave
The white goo is what a water/oil emulsion looks like. In this case, it's no problem, since it's due to condensation of combustion water in the filler neck.
However, you definitely do not want to see it in your coolant, or when you drain the oil. In those cases, it could be a sign of coolant seal failure.
Dave
However, you definitely do not want to see it in your coolant, or when you drain the oil. In those cases, it could be a sign of coolant seal failure.
Dave
Thanks alot!




