Someone may and use one of the stop leak products or a leaking engine head gasket.So this brown crusty stuff is all over the inside of the cap and lip of the tank. It's my only tractor doing this. Thoughts?<img src="http://www.tractorbynet.com/forums/files/new-holland-owning-operating/407537-what-image-jpg"/><img src="http://www.tractorbynet.com/forums/files/new-holland-owning-operating/407538-what-image-jpg"/>
So this brown crusty stuff is all over the inside of the cap and lip of the tank. It's my only tractor doing this. Thoughts?View attachment 407537View attachment 407538