mikeybutch
Full member
iv got a build up of (yallow/beige) thick scum all round my oil filler cap' the car is running perfect, i only noticed it while checking the oil. not sure if it was some sort of grease??? ... im going to remove the rocker cover and clean it all out (mainly because this is usually a very bad sign of somthing wrong).. CAN ANYONE ADVISE PLEASE :amazed: