![Anyone know what the cause of this is? It's under the oil cap and the cap was also milky. I know it can be a blown head gasket but can it also Anyone know what the cause of this is? It's under the oil cap and the cap was also milky. I know it can be a blown head gasket but can it also](https://preview.redd.it/anyone-know-what-the-cause-of-this-is-its-under-the-oil-cap-v0-cf4i1xvxlufa1.jpg?width=640&crop=smart&auto=webp&s=734c47d7949aacf3e666b0c0dbd87a25ed9e8e8e)
Anyone know what the cause of this is? It's under the oil cap and the cap was also milky. I know it can be a blown head gasket but can it also
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